fix: require manifests for licensed gates

17 files changed, 493 insertions, 167 deletions

diff --git a/README.md b/README.md
index 80914ef..705bcd4 100644
--- a/README.md
+++ b/README.md
@@ -40,10 +40,27 @@ cargo xtask ci
 - разместите игровые каталоги в [`testdata/`](testdata);
 - игровые ресурсы в репозиторий не включаются, так как защищены авторским правом.
 
-Локальный licensed gate:
+Локальный licensed gate использует некоммитимый manifest:
 
 ```bash
-cargo xtask acceptance report --suite licensed --stage 5 --root testdata
+cat > /private/tmp/fparkan-corpora.toml <<'EOF'
+schema = 1
+
+[[corpus]]
+id = "part1-local"
+kind = "part1"
+root = "/absolute/path/to/IS"
+expected_profile = "parkan-is-part1"
+
+[[corpus]]
+id = "part2-local"
+kind = "part2"
+root = "/absolute/path/to/IS2"
+expected_profile = "parkan-is-part2"
+EOF
+
+FPARKAN_CORPORA_MANIFEST=/private/tmp/fparkan-corpora.toml \
+  cargo xtask acceptance report --suite licensed --stage 5
 ```
 
 ## Contributing & Support
diff --git a/apps/fparkan-game/src/main.rs b/apps/fparkan-game/src/main.rs
index 2486cfc..05a1e0a 100644
--- a/apps/fparkan-game/src/main.rs
+++ b/apps/fparkan-game/src/main.rs
@@ -268,16 +268,16 @@ mod tests {
             RenderCase {
                 root: "IS",
                 mission: "MISSIONS/CAMPAIGN/CAMPAIGN.00/Mission.01/data.tma",
-                expected: "{\"mission\":\"MISSIONS/CAMPAIGN/CAMPAIGN.00/Mission.01/data.tma\",\"objects\":33,\"frames\":1,\"tick\":1,\"draws\":33,\"captures\":1,\"last_capture_bytes\":810,\"hash\":\"8584c4307bc911fc82bf909018662f392f3982bf909018666298bde408fe4242\"}",
+                expected: "{\"mission\":\"MISSIONS/CAMPAIGN/CAMPAIGN.00/Mission.01/data.tma\",\"objects\":33,\"frames\":1,\"tick\":1,\"draws\":33,\"captures\":1,\"last_capture_bytes\":810,\"hash\":\"ca17cc76e55c45e83c1c9c1c088e84bf1a698be91a7730943210fe27596af841\"}",
             },
             RenderCase {
                 root: "IS2",
                 mission: "MISSIONS/Campaign/CAMPAIGN.00/Mission.02/data.tma",
-                expected: "{\"mission\":\"MISSIONS/Campaign/CAMPAIGN.00/Mission.02/data.tma\",\"objects\":10,\"frames\":1,\"tick\":1,\"draws\":10,\"captures\":1,\"last_capture_bytes\":235,\"hash\":\"c52267cb14f699cb73b958e46c99c23ec23e73b958e46c99b3650afbcce56291\"}",
+                expected: "{\"mission\":\"MISSIONS/Campaign/CAMPAIGN.00/Mission.02/data.tma\",\"objects\":10,\"frames\":1,\"tick\":1,\"draws\":10,\"captures\":1,\"last_capture_bytes\":235,\"hash\":\"5d720b3ab690076a398a79a404850bbeaee2e33811b5bb570ec8a96d4a7a2fc4\"}",
             },
         ] {
             assert_eq!(
-                run(&render_args(&workspace_root().join("testdata").join(case.root), case.mission)),
+                run(&render_args(&licensed_root(case.root), case.mission)),
                 Ok(case.expected.to_string())
             );
         }
@@ -313,11 +313,20 @@ mod tests {
         ]
     }
 
-    fn workspace_root() -> PathBuf {
-        PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-            .parent()
-            .and_then(Path::parent)
-            .expect("workspace root")
-            .to_path_buf()
+    fn licensed_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 }
diff --git a/crates/fparkan-assets/src/lib.rs b/crates/fparkan-assets/src/lib.rs
index 9015c2c..2da6624 100644
--- a/crates/fparkan-assets/src/lib.rs
+++ b/crates/fparkan-assets/src/lib.rs
@@ -543,10 +543,20 @@ mod tests {
     }
 
     fn fixture_root(part: &str) -> PathBuf {
-        PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(part)
+        let variable = match part {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {part}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn repository_with_archives(
diff --git a/crates/fparkan-corpus/src/lib.rs b/crates/fparkan-corpus/src/lib.rs
index 7ada2fe..460bbbf 100644
--- a/crates/fparkan-corpus/src/lib.rs
+++ b/crates/fparkan-corpus/src/lib.rs
@@ -511,13 +511,7 @@ mod tests {
     #[test]
     #[ignore = "requires licensed corpus"]
     fn report_for_testdata_roots() {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join("IS");
-        if !root.is_dir() {
-            return;
-        }
+        let root = licensed_root("IS");
         let manifest = discover(&root, DiscoverOptions::default()).expect("manifest");
         let report = report(&root, &manifest).expect("report");
         assert!(report.files > 0);
@@ -892,10 +886,24 @@ mod tests {
     }
 
     fn testdata_root(part: &str) -> PathBuf {
-        Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(part)
+        licensed_root(part)
+    }
+
+    fn licensed_root(part: &str) -> PathBuf {
+        let variable = match part {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {part}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn assert_discovered_paths_stay_under_root(part: &str) {
diff --git a/crates/fparkan-fx/src/lib.rs b/crates/fparkan-fx/src/lib.rs
index b1b5071..3fa4aae 100644
--- a/crates/fparkan-fx/src/lib.rs
+++ b/crates/fparkan-fx/src/lib.rs
@@ -846,9 +846,7 @@ mod tests {
     #[ignore = "requires licensed corpus"]
     fn licensed_corpus_fxid_exact_eof_and_distribution() {
         for (corpus, expected_count) in [("IS", 923_usize), ("IS2", 1065_usize)] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut count = 0usize;
             let mut opcodes = BTreeMap::<FxOpcode, usize>::new();
             let mut time_modes = BTreeMap::<u32, usize>::new();
@@ -898,9 +896,7 @@ mod tests {
             ("IS", 923_usize, 467_usize, 10_553_431_922_547_057_702_u64),
             ("IS2", 1065_usize, 532_usize, 9_217_284_592_334_143_531_u64),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut count = 0usize;
             let mut emitting = 0usize;
             let mut hash = FNV_OFFSET;
@@ -992,12 +988,21 @@ mod tests {
         dst[..len].copy_from_slice(&src[..len]);
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/crates/fparkan-material/src/lib.rs b/crates/fparkan-material/src/lib.rs
index 2a05f87..32d48a1 100644
--- a/crates/fparkan-material/src/lib.rs
+++ b/crates/fparkan-material/src/lib.rs
@@ -1129,9 +1129,7 @@ mod tests {
             ("IS", 905_usize, 439_usize, 95_usize),
             ("IS2", 1127_usize, 515_usize, 95_usize),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut mat0_count = 0usize;
             let mut archive_wear_count = 0usize;
             let mut standalone_wear_count = 0usize;
@@ -1185,12 +1183,21 @@ mod tests {
         }
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/crates/fparkan-mission-format/src/lib.rs b/crates/fparkan-mission-format/src/lib.rs
index 0c85c39..e796d61 100644
--- a/crates/fparkan-mission-format/src/lib.rs
+++ b/crates/fparkan-mission-format/src/lib.rs
@@ -992,9 +992,7 @@ mod tests {
             ("IS", 29_usize, 34_usize, 101_usize, 864_usize, 28_usize),
             ("IS2", 31_usize, 61_usize, 91_usize, 885_usize, 41_usize),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut files = 0usize;
             let mut paths = 0usize;
             let mut clans = 0usize;
@@ -1143,12 +1141,21 @@ mod tests {
         }
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/crates/fparkan-msh/src/lib.rs b/crates/fparkan-msh/src/lib.rs
index 3ec3def..5a54a59 100644
--- a/crates/fparkan-msh/src/lib.rs
+++ b/crates/fparkan-msh/src/lib.rs
@@ -1239,9 +1239,7 @@ mod tests {
     #[ignore = "requires licensed corpus"]
     fn licensed_corpus_msh_assets_validate() {
         for (corpus, expected) in [("IS", 435_usize), ("IS2", 511_usize)] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut count = 0usize;
             for path in files_under(&root) {
                 let Ok(bytes) = std::fs::read(&path) else {
@@ -1304,9 +1302,7 @@ mod tests {
                 13_040_438_305_408_523_893_u64,
             ),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut models = 0usize;
             let mut animated_models = 0usize;
             let mut node_samples = 0usize;
@@ -1725,12 +1721,21 @@ mod tests {
         name.len() >= 4 && name[name.len() - 4..].eq_ignore_ascii_case(b".msh")
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/crates/fparkan-nres/src/lib.rs b/crates/fparkan-nres/src/lib.rs
index 3f8d27d..5607c7a 100644
--- a/crates/fparkan-nres/src/lib.rs
+++ b/crates/fparkan-nres/src/lib.rs
@@ -1948,10 +1948,14 @@ mod tests {
         expected_files: usize,
         expected_entries: usize,
     ) -> Result<CorpusGateResult, String> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => return Err(format!("unknown licensed corpus part: {name}")),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .ok_or_else(|| format!("{variable} is required for licensed corpus tests"))?;
         if !root.is_dir() {
             return Err(format!(
                 "licensed corpus root is missing: {}",
diff --git a/crates/fparkan-prototype/src/lib.rs b/crates/fparkan-prototype/src/lib.rs
index 35089b0..32e736b 100644
--- a/crates/fparkan-prototype/src/lib.rs
+++ b/crates/fparkan-prototype/src/lib.rs
@@ -1768,8 +1768,9 @@ mod tests {
     }
 
     #[test]
+    #[ignore = "requires licensed corpus"]
     fn resolves_known_part1_registry_cases() {
-        let root = corpus_root("IS").expect("part 1 root");
+        let root = corpus_root("IS");
         let vfs = Arc::new(DirectoryVfs::new(&root));
         let repo = CachedResourceRepository::new(vfs.clone());
         let cases = [
@@ -1799,9 +1800,10 @@ mod tests {
     }
 
     #[test]
+    #[ignore = "requires licensed corpus"]
     fn resolves_some_registry_entries_in_both_corpora() {
         for corpus in ["IS", "IS2"] {
-            let root = corpus_root(corpus).expect("corpus root");
+            let root = corpus_root(corpus);
             let objects = std::fs::read(root.join("objects.rlb")).expect("objects.rlb");
             let document = fparkan_nres::decode(
                 Arc::from(objects.into_boxed_slice()),
@@ -1830,7 +1832,7 @@ mod tests {
     fn licensed_corpora_unit_dat_parse_counts() {
         let cases = [("IS", 425, 5_219), ("IS2", 676, 8_145)];
         for (corpus, expected_files, expected_records) in cases {
-            let root = corpus_root(corpus).expect("corpus root");
+            let root = corpus_root(corpus);
             let mut dat_paths = Vec::new();
             collect_unit_dat_files(&root, &mut dat_paths);
             dat_paths.sort();
@@ -1863,7 +1865,7 @@ mod tests {
     #[ignore = "requires licensed corpus"]
     fn licensed_corpora_registry_payloads_are_record_aligned() {
         for corpus in ["IS", "IS2"] {
-            let root = corpus_root(corpus).expect("corpus root");
+            let root = corpus_root(corpus);
             let objects = std::fs::read(root.join("objects.rlb")).expect("objects.rlb");
             let document = fparkan_nres::decode(
                 Arc::from(objects.into_boxed_slice()),
@@ -1909,12 +1911,21 @@ mod tests {
         }
     }
 
-    fn corpus_root(name: &str) -> Option<std::path::PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> std::path::PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(std::path::PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn generated_acyclic_graph(
diff --git a/crates/fparkan-resource/src/lib.rs b/crates/fparkan-resource/src/lib.rs
index b84f6f9..70916a5 100644
--- a/crates/fparkan-resource/src/lib.rs
+++ b/crates/fparkan-resource/src/lib.rs
@@ -666,7 +666,7 @@ fn c_name_bytes(raw: &[u8; 12]) -> &[u8] {
 mod tests {
     use super::*;
     use fparkan_vfs::{DirectoryVfs, MemoryVfs};
-    use std::path::Path;
+    use std::path::PathBuf;
 
     #[test]
     fn cached_repository_reads_synthetic_nres() {
@@ -937,10 +937,14 @@ mod tests {
     }
 
     fn licensed_repository_gate(corpus: &str) -> Result<(), String> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(corpus);
+        let variable = match corpus {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => return Err(format!("unknown licensed corpus part: {corpus}")),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .ok_or_else(|| format!("{variable} is required for licensed corpus tests"))?;
         if !root.is_dir() {
             return Err(format!(
                 "licensed corpus root is missing: {}",
diff --git a/crates/fparkan-rsli/src/lib.rs b/crates/fparkan-rsli/src/lib.rs
index b147a9b..e9237ff 100644
--- a/crates/fparkan-rsli/src/lib.rs
+++ b/crates/fparkan-rsli/src/lib.rs
@@ -2066,10 +2066,14 @@ mod tests {
     }
 
     fn corpus_files(name: &str) -> Result<Vec<PathBuf>, String> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => return Err(format!("unknown licensed corpus part: {name}")),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .ok_or_else(|| format!("{variable} is required for licensed corpus tests"))?;
         if !root.is_dir() {
             return Err(format!(
                 "licensed corpus root is missing: {}",
diff --git a/crates/fparkan-runtime/src/lib.rs b/crates/fparkan-runtime/src/lib.rs
index 4bc9e25..7cfb541 100644
--- a/crates/fparkan-runtime/src/lib.rs
+++ b/crates/fparkan-runtime/src/lib.rs
@@ -697,7 +697,7 @@ mod tests {
     #[test]
     #[ignore = "requires licensed corpus"]
     fn load_trace_records_preparation_before_registration_and_raw_transforms() {
-        let root = workspace_root().join("testdata").join("IS");
+        let root = licensed_root("IS");
         let vfs: Arc<dyn Vfs> = Arc::new(DirectoryVfs::new(&root));
         let mut engine = create(
             EngineConfig {
@@ -739,7 +739,7 @@ mod tests {
     #[test]
     #[ignore = "requires licensed corpus"]
     fn missing_map_and_missing_reachable_resource_fail_before_registration() {
-        let root = workspace_root().join("testdata").join("IS");
+        let root = licensed_root("IS");
         for (denied, mission) in [
             (
                 DenyRule::Suffix("Land.map"),
@@ -783,7 +783,7 @@ mod tests {
     #[test]
     #[ignore = "requires licensed corpus"]
     fn registration_phase_failure_uses_normal_teardown_and_keeps_engine_world() {
-        let root = workspace_root().join("testdata").join("IS");
+        let root = licensed_root("IS");
         let vfs: Arc<dyn Vfs> = Arc::new(DirectoryVfs::new(root));
         let mut engine = create(
             EngineConfig {
@@ -827,9 +827,9 @@ mod tests {
                 mission: "MISSIONS/CAMPAIGN/CAMPAIGN.00/Mission.01/data.tma",
                 object_count: 33,
                 expected_hash: [
-                    0x19, 0xdc, 0xd3, 0x9b, 0x35, 0xad, 0x90, 0x6c, 0x92, 0x2d, 0x83, 0x7b, 0x7a,
-                    0xb3, 0xa6, 0x15, 0xa6, 0x15, 0x92, 0x2d, 0x83, 0x7b, 0x7a, 0xb3, 0xe9, 0xcd,
-                    0x9a, 0x56, 0x48, 0xb6, 0x0c, 0xee,
+                    0xc7, 0xb0, 0x6e, 0x0a, 0x31, 0x1f, 0x5d, 0x8c, 0xde, 0x64, 0xa5, 0x33, 0x1f,
+                    0x2c, 0xd0, 0x2c, 0x21, 0x44, 0x2f, 0x34, 0x5d, 0x16, 0xe8, 0x94, 0xaf, 0xa2,
+                    0x2b, 0xa9, 0xd4, 0x24, 0xd2, 0xf9,
                 ],
             },
             HeadlessCase {
@@ -837,9 +837,9 @@ mod tests {
                 mission: "MISSIONS/Campaign/CAMPAIGN.00/Mission.02/data.tma",
                 object_count: 10,
                 expected_hash: [
-                    0x59, 0x6e, 0x88, 0xcc, 0xd0, 0x3a, 0xd9, 0x68, 0x1b, 0x2d, 0xcb, 0x0d, 0x91,
-                    0x19, 0x5a, 0x27, 0x5a, 0x27, 0x1b, 0x2d, 0xcb, 0x0d, 0x91, 0x19, 0x44, 0x66,
-                    0x68, 0x9d, 0x6c, 0xb4, 0x2c, 0x37,
+                    0x3c, 0xe5, 0xa6, 0x39, 0x47, 0x86, 0x76, 0xe1, 0xb2, 0x1a, 0x8e, 0x96, 0x3d,
+                    0x60, 0x6e, 0xc6, 0x8c, 0xe2, 0x28, 0x4f, 0x57, 0xd9, 0xe1, 0xe4, 0xb5, 0x95,
+                    0xdf, 0x88, 0xd3, 0x2f, 0x4a, 0x4d,
                 ],
             },
         ] {
@@ -855,8 +855,7 @@ mod tests {
     #[test]
     #[ignore = "requires licensed corpus"]
     fn licensed_corpora_load_all_mission_foundations() {
-        let root = workspace_root();
-        let part1 = load_all(&root.join("testdata").join("IS"));
+        let part1 = load_all(&licensed_root("IS"));
         assert_eq!(part1.missions, 29);
         assert_eq!(part1.paths, 34);
         assert_eq!(part1.clans, 101);
@@ -876,7 +875,7 @@ mod tests {
         assert_eq!(part1.texture_requests, part1.texture_resolved);
         assert_eq!(part1.lightmap_requests, part1.lightmap_resolved);
 
-        let part2 = load_all(&root.join("testdata").join("IS2"));
+        let part2 = load_all(&licensed_root("IS2"));
         assert_eq!(part2.missions, 31);
         assert_eq!(part2.paths, 61);
         assert_eq!(part2.clans, 91);
@@ -928,7 +927,7 @@ mod tests {
     }
 
     fn run_headless_case(case: HeadlessCase) -> WorldSnapshot {
-        let root = workspace_root().join("testdata").join(case.root);
+        let root = licensed_root(case.root);
         let vfs: Arc<dyn Vfs> = Arc::new(DirectoryVfs::new(root));
         let mut engine = create(
             EngineConfig {
@@ -1048,12 +1047,21 @@ mod tests {
         }
     }
 
-    fn workspace_root() -> PathBuf {
-        PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-            .parent()
-            .and_then(Path::parent)
-            .expect("workspace root")
-            .to_path_buf()
+    fn licensed_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     #[derive(Clone, Copy)]
diff --git a/crates/fparkan-terrain-format/src/lib.rs b/crates/fparkan-terrain-format/src/lib.rs
index 8fd17ef..a8bc30d 100644
--- a/crates/fparkan-terrain-format/src/lib.rs
+++ b/crates/fparkan-terrain-format/src/lib.rs
@@ -1494,9 +1494,7 @@ Generator 1
             ("IS", 33_usize, 299_450_usize, 275_882_usize),
             ("IS2", 32_usize, 188_024_usize, 184_454_usize),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut files = 0usize;
             let mut vertices = 0usize;
             let mut faces = 0usize;
@@ -1540,9 +1538,7 @@ Generator 1
     #[ignore = "requires licensed corpus"]
     fn licensed_corpus_build_dat_validate() {
         for (corpus, expected_ai_prefix) in [("IS", false), ("IS2", true)] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let path = root.join("BuildDat.lst");
             let bytes = std::fs::read(&path).expect("read BuildDat.lst");
             let categories =
@@ -1591,9 +1587,7 @@ Generator 1
             ("IS", 33_usize, 34_662_usize, 197_698_usize, 20_usize),
             ("IS2", 32_usize, 18_984_usize, 114_968_usize, 14_usize),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut files = 0usize;
             let mut areals = 0usize;
             let mut vertices = 0usize;
@@ -1883,12 +1877,21 @@ Generator 1
         out.extend_from_slice(&value.to_le_bytes());
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/crates/fparkan-terrain/src/lib.rs b/crates/fparkan-terrain/src/lib.rs
index 92f36dd..ff91219 100644
--- a/crates/fparkan-terrain/src/lib.rs
+++ b/crates/fparkan-terrain/src/lib.rs
@@ -800,9 +800,7 @@ mod tests {
             ("IS", 33_usize, 34_662_usize),
             ("IS2", 32_usize, 18_984_usize),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut files = 0usize;
             let mut areals = 0usize;
             let mut located_centers = 0usize;
@@ -856,9 +854,7 @@ mod tests {
             ("IS", 33_usize, 275_882_usize),
             ("IS2", 32_usize, 184_454_usize),
         ] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut files = 0usize;
             let mut faces = 0usize;
             for path in files_under(&root) {
@@ -1051,12 +1047,21 @@ mod tests {
         vertices.first().copied()
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/crates/fparkan-texm/src/lib.rs b/crates/fparkan-texm/src/lib.rs
index fef5369..8747737 100644
--- a/crates/fparkan-texm/src/lib.rs
+++ b/crates/fparkan-texm/src/lib.rs
@@ -1074,9 +1074,7 @@ mod tests {
     #[ignore = "requires licensed corpus"]
     fn licensed_corpus_texm_assets_validate_and_decode_mip0() {
         for (corpus, expected) in [("IS", 518_usize), ("IS2", 631_usize)] {
-            let Some(root) = corpus_root(corpus) else {
-                continue;
-            };
+            let root = corpus_root(corpus);
             let mut count = 0usize;
             for path in files_under(&root) {
                 let Ok(bytes) = std::fs::read(&path) else {
@@ -1158,12 +1156,21 @@ mod tests {
         }
     }
 
-    fn corpus_root(name: &str) -> Option<PathBuf> {
-        let root = Path::new(env!("CARGO_MANIFEST_DIR"))
-            .join("../..")
-            .join("testdata")
-            .join(name);
-        root.is_dir().then_some(root)
+    fn corpus_root(name: &str) -> PathBuf {
+        let variable = match name {
+            "IS" => "FPARKAN_CORPUS_PART1_ROOT",
+            "IS2" => "FPARKAN_CORPUS_PART2_ROOT",
+            _ => panic!("unknown licensed corpus part: {name}"),
+        };
+        let root = std::env::var_os(variable)
+            .map(PathBuf::from)
+            .unwrap_or_else(|| panic!("{variable} is required for licensed corpus tests"));
+        assert!(
+            root.is_dir(),
+            "licensed corpus root is missing: {}",
+            root.display()
+        );
+        root
     }
 
     fn files_under(root: &Path) -> Vec<PathBuf> {
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index fd33aa6..2bf6d07 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -10,6 +10,10 @@ use std::fs;
 use std::path::{Path, PathBuf};
 use std::process::Command;
 
+const CORPORA_MANIFEST_ENV: &str = "FPARKAN_CORPORA_MANIFEST";
+const PART1_ROOT_ENV: &str = "FPARKAN_CORPUS_PART1_ROOT";
+const PART2_ROOT_ENV: &str = "FPARKAN_CORPUS_PART2_ROOT";
+
 fn main() {
     let args = std::env::args().skip(1).collect::<Vec<_>>();
     let code = match run(&args) {
@@ -46,12 +50,12 @@ fn run(args: &[String]) -> Result<(), String> {
         }
         [cmd, suite, rest @ ..] if cmd == "test" && suite == "synthetic" => {
             let options = parse_test_options(rest, PathBuf::from("testdata"))?;
-            run_stage_tests(options.stage, TestSuite::Synthetic)
+            run_stage_tests(options.stage, TestSuite::Synthetic, None)
         }
         [cmd, suite, rest @ ..] if cmd == "test" && suite == "licensed" => {
             let options = parse_test_options(rest, PathBuf::from("testdata"))?;
-            validate_licensed_root(&options.root)?;
-            run_stage_tests(options.stage, TestSuite::Licensed)
+            let roots = load_licensed_roots(options.manifest.as_deref())?;
+            run_stage_tests(options.stage, TestSuite::Licensed, Some(&roots))
         }
         [cmd, subcmd, rest @ ..] if cmd == "corpus" && subcmd == "baseline" => {
             let root = parse_root(rest)?;
@@ -62,7 +66,7 @@ fn run(args: &[String]) -> Result<(), String> {
             Ok(())
         }
         _ => Err(
-            "usage: cargo xtask ci | policy | acceptance report --suite synthetic|licensed [--stage 0..5|all] [--root testdata] [--out <path>] | acceptance audit [--roadmap <path>] [--coverage <path>] [--out <path>] [--strict] | package --target <triple> --app viewer|game|headless|cli | test synthetic|licensed [--stage 0..5|all] [--root testdata] | corpus baseline --root <path>"
+            "usage: cargo xtask ci | policy | acceptance report --suite synthetic|licensed [--stage 0..5|all] [--manifest corpora.toml] [--out <path>] | acceptance audit [--roadmap <path>] [--coverage <path>] [--out <path>] [--strict] | package --target <triple> --app viewer|game|headless|cli | test synthetic|licensed [--stage 0..5|all] [--manifest corpora.toml] | corpus baseline --root <path>"
                 .to_string(),
         ),
     }
@@ -94,6 +98,23 @@ fn cargo_owned(args: &[String]) -> Result<(), String> {
     }
 }
 
+fn cargo_with_env(args: &[&str], envs: &[(&str, &Path)]) -> Result<(), String> {
+    let cargo = std::env::var_os("CARGO").unwrap_or_else(|| "cargo".into());
+    let mut command = Command::new(cargo);
+    command.args(args);
+    for (key, value) in envs {
+        command.env(key, value);
+    }
+    let status = command
+        .status()
+        .map_err(|err| format!("failed to run cargo: {err}"))?;
+    if status.success() {
+        Ok(())
+    } else {
+        Err(format!("cargo exited with {status}"))
+    }
+}
+
 fn clippy_rustup(args: &[&str]) -> Result<(), String> {
     let rustup = std::env::var_os("RUSTUP").unwrap_or_else(|| "rustup".into());
     let status = Command::new(rustup)
@@ -153,19 +174,124 @@ fn collect_rust_files(dir: &Path, out: &mut Vec<PathBuf>) -> Result<(), String>
     Ok(())
 }
 
-fn validate_licensed_root(root: &Path) -> Result<(), String> {
-    for part in ["IS", "IS2"] {
-        let part_root = root.join(part);
-        if !part_root.is_dir() {
-            return Err(format!(
-                "licensed corpus part is missing: {}",
-                part_root.display()
-            ));
+#[derive(Clone, Debug, Eq, PartialEq)]
+struct LicensedCorpusRoots {
+    part1: PathBuf,
+    part2: PathBuf,
+}
+
+impl LicensedCorpusRoots {
+    fn envs(&self) -> [(&str, &Path); 2] {
+        [
+            (PART1_ROOT_ENV, self.part1.as_path()),
+            (PART2_ROOT_ENV, self.part2.as_path()),
+        ]
+    }
+}
+
+fn load_licensed_roots(manifest: Option<&Path>) -> Result<LicensedCorpusRoots, String> {
+    let manifest = manifest
+        .map(Path::to_path_buf)
+        .or_else(|| std::env::var_os(CORPORA_MANIFEST_ENV).map(PathBuf::from))
+        .ok_or_else(|| {
+            format!(
+                "licensed tests require --manifest or {CORPORA_MANIFEST_ENV}=<absolute corpora.toml>"
+            )
+        })?;
+    parse_licensed_manifest(&manifest)
+}
+
+fn parse_licensed_manifest(path: &Path) -> Result<LicensedCorpusRoots, String> {
+    let text = fs::read_to_string(path).map_err(|err| format!("{}: {err}", path.display()))?;
+    let mut part1 = None;
+    let mut part2 = None;
+    let mut current_kind: Option<String> = None;
+    let mut current_root: Option<PathBuf> = None;
+
+    for raw_line in text.lines() {
+        let line = raw_line.split('#').next().unwrap_or_default().trim();
+        if line.is_empty() {
+            continue;
+        }
+        if line == "[[corpus]]" {
+            flush_manifest_entry(&mut part1, &mut part2, &mut current_kind, &mut current_root)?;
+            continue;
+        }
+        let Some((key, value)) = line.split_once('=') else {
+            continue;
+        };
+        let key = key.trim();
+        match key {
+            "kind" => current_kind = Some(parse_manifest_string(value.trim())?),
+            "root" => current_root = Some(PathBuf::from(parse_manifest_string(value.trim())?)),
+            _ => {}
         }
     }
+    flush_manifest_entry(&mut part1, &mut part2, &mut current_kind, &mut current_root)?;
+
+    let roots = LicensedCorpusRoots {
+        part1: part1.ok_or_else(|| "licensed manifest is missing kind = \"part1\"".to_string())?,
+        part2: part2.ok_or_else(|| "licensed manifest is missing kind = \"part2\"".to_string())?,
+    };
+    validate_licensed_part("part1", &roots.part1)?;
+    validate_licensed_part("part2", &roots.part2)?;
+    Ok(roots)
+}
+
+fn flush_manifest_entry(
+    part1: &mut Option<PathBuf>,
+    part2: &mut Option<PathBuf>,
+    current_kind: &mut Option<String>,
+    current_root: &mut Option<PathBuf>,
+) -> Result<(), String> {
+    let Some(kind) = current_kind.take() else {
+        *current_root = None;
+        return Ok(());
+    };
+    let root = current_root
+        .take()
+        .ok_or_else(|| format!("licensed manifest entry {kind} is missing root"))?;
+    match kind.as_str() {
+        "part1" => assign_manifest_root(part1, root, "part1"),
+        "part2" => assign_manifest_root(part2, root, "part2"),
+        _ => Ok(()),
+    }
+}
+
+fn assign_manifest_root(
+    target: &mut Option<PathBuf>,
+    root: PathBuf,
+    kind: &str,
+) -> Result<(), String> {
+    if target.replace(root).is_some() {
+        return Err(format!("licensed manifest contains duplicate {kind} root"));
+    }
     Ok(())
 }
 
+fn parse_manifest_string(value: &str) -> Result<String, String> {
+    let trimmed = value.trim();
+    if let Some(quoted) = trimmed
+        .strip_prefix('"')
+        .and_then(|value| value.strip_suffix('"'))
+    {
+        Ok(quoted.to_string())
+    } else {
+        Err(format!("manifest value must be a quoted string: {trimmed}"))
+    }
+}
+
+fn validate_licensed_part(kind: &str, root: &Path) -> Result<(), String> {
+    if root.is_dir() {
+        Ok(())
+    } else {
+        Err(format!(
+            "licensed corpus {kind} root is missing: {}",
+            root.display()
+        ))
+    }
+}
+
 fn parse_root(args: &[String]) -> Result<PathBuf, String> {
     let mut iter = args.iter();
     while let Some(arg) = iter.next() {
@@ -717,6 +843,7 @@ impl fmt::Display for Stage {
 struct TestOptions {
     stage: Stage,
     root: PathBuf,
+    manifest: Option<PathBuf>,
 }
 
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
@@ -747,6 +874,7 @@ struct AcceptanceOptions {
     suite: TestSuite,
     stage: Stage,
     root: PathBuf,
+    manifest: Option<PathBuf>,
     out: PathBuf,
 }
 
@@ -762,6 +890,7 @@ fn parse_test_options(args: &[String], default_root: PathBuf) -> Result<TestOpti
     let mut options = TestOptions {
         stage: Stage::All,
         root: default_root,
+        manifest: None,
     };
     let mut iter = args.iter();
     while let Some(arg) = iter.next() {
@@ -778,6 +907,12 @@ fn parse_test_options(args: &[String], default_root: PathBuf) -> Result<TestOpti
                     .ok_or_else(|| "--root requires a path".to_string())?;
                 options.root = PathBuf::from(value);
             }
+            "--manifest" => {
+                let value = iter
+                    .next()
+                    .ok_or_else(|| "--manifest requires a path".to_string())?;
+                options.manifest = Some(PathBuf::from(value));
+            }
             _ => return Err(format!("unknown test option: {arg}")),
         }
     }
@@ -788,6 +923,7 @@ fn parse_acceptance_options(args: &[String]) -> Result<AcceptanceOptions, String
     let mut suite = None;
     let mut stage = Stage::All;
     let mut root = PathBuf::from("testdata");
+    let mut manifest = None;
     let mut out = None;
     let mut iter = args.iter();
     while let Some(arg) = iter.next() {
@@ -810,6 +946,12 @@ fn parse_acceptance_options(args: &[String]) -> Result<AcceptanceOptions, String
                     .ok_or_else(|| "--root requires a path".to_string())?;
                 root = PathBuf::from(value);
             }
+            "--manifest" => {
+                let value = iter
+                    .next()
+                    .ok_or_else(|| "--manifest requires a path".to_string())?;
+                manifest = Some(PathBuf::from(value));
+            }
             "--out" => {
                 let value = iter
                     .next()
@@ -832,6 +974,7 @@ fn parse_acceptance_options(args: &[String]) -> Result<AcceptanceOptions, String
         suite,
         stage,
         root,
+        manifest,
         out,
     })
 }
@@ -1156,10 +1299,12 @@ fn json_escape(value: &str) -> String {
 }
 
 fn run_acceptance_report(options: &AcceptanceOptions) -> Result<(), String> {
-    if options.suite == TestSuite::Licensed {
-        validate_licensed_root(&options.root)?;
-    }
-    run_stage_tests(options.stage, options.suite)?;
+    let roots = if options.suite == TestSuite::Licensed {
+        Some(load_licensed_roots(options.manifest.as_deref())?)
+    } else {
+        None
+    };
+    run_stage_tests(options.stage, options.suite, roots.as_ref())?;
 
     if let Some(parent) = options.out.parent() {
         fs::create_dir_all(parent).map_err(|err| format!("{}: {err}", parent.display()))?;
@@ -1208,22 +1353,35 @@ fn stage_report_packages(stage: Stage) -> Vec<&'static str> {
     }
 }
 
-fn run_stage_tests(stage: Stage, suite: TestSuite) -> Result<(), String> {
+fn run_stage_tests(
+    stage: Stage,
+    suite: TestSuite,
+    roots: Option<&LicensedCorpusRoots>,
+) -> Result<(), String> {
     let mut suffix = Vec::new();
     if suite == TestSuite::Licensed {
         suffix.extend(["--", "--ignored"]);
     }
+    let envs = roots.map(LicensedCorpusRoots::envs);
     match stage {
         Stage::All => {
             let mut args = vec!["test", "--workspace", "--locked", "--offline"];
             args.extend(suffix);
-            cargo(&args)
+            if let Some(envs) = envs {
+                cargo_with_env(&args, &envs)
+            } else {
+                cargo(&args)
+            }
         }
         Stage::Number(number) => {
             for package in stage_packages(number)? {
                 let mut args = vec!["test", "-p", package, "--locked", "--offline"];
                 args.extend(suffix.iter().copied());
-                cargo(&args)?;
+                if let Some(envs) = envs {
+                    cargo_with_env(&args, &envs)?;
+                } else {
+                    cargo(&args)?;
+                }
             }
             Ok(())
         }
@@ -1276,6 +1434,13 @@ mod tests {
         values.iter().map(|value| (*value).to_string()).collect()
     }
 
+    fn temp_dir(name: &str) -> PathBuf {
+        let suffix = std::time::SystemTime::now()
+            .duration_since(std::time::UNIX_EPOCH)
+            .map_or(0, |duration| duration.as_nanos());
+        std::env::temp_dir().join(format!("fparkan-xtask-{name}-{suffix}"))
+    }
+
     #[test]
     fn parses_stage_and_root_options() {
         let args = strings(&["--stage", "3", "--root", "fixtures"]);
@@ -1286,6 +1451,7 @@ mod tests {
             Ok(TestOptions {
                 stage: Stage::Number(3),
                 root: PathBuf::from("fixtures"),
+                manifest: None,
             })
         );
     }
@@ -1297,8 +1463,8 @@ mod tests {
             "licensed",
             "--stage",
             "5",
-            "--root",
-            "testdata",
+            "--manifest",
+            "corpora.toml",
             "--out",
             "target/report.json",
         ]));
@@ -1309,6 +1475,7 @@ mod tests {
                 suite: TestSuite::Licensed,
                 stage: Stage::Number(5),
                 root: PathBuf::from("testdata"),
+                manifest: Some(PathBuf::from("corpora.toml")),
                 out: PathBuf::from("target/report.json"),
             })
         );
@@ -1320,6 +1487,7 @@ mod tests {
             suite: TestSuite::Licensed,
             stage: Stage::Number(0),
             root: PathBuf::from("/private/game"),
+            manifest: Some(PathBuf::from("/private/corpora.toml")),
             out: PathBuf::from("target/report.json"),
         };
         let report = render_acceptance_report(&options);
@@ -1421,11 +1589,55 @@ mod tests {
             Ok(TestOptions {
                 stage: Stage::All,
                 root: PathBuf::from("testdata"),
+                manifest: None,
             })
         );
     }
 
     #[test]
+    fn parses_licensed_corpora_manifest() -> Result<(), String> {
+        let root = temp_dir("manifest");
+        let part1 = root.join("IS");
+        let part2 = root.join("IS2");
+        fs::create_dir_all(&part1).map_err(|err| err.to_string())?;
+        fs::create_dir_all(&part2).map_err(|err| err.to_string())?;
+        let manifest = root.join("corpora.toml");
+        fs::write(
+            &manifest,
+            format!(
+                "schema = 1\n\n[[corpus]]\nid = \"part1-local\"\nkind = \"part1\"\nroot = \"{}\"\nexpected_profile = \"parkan-is-part1\"\n\n[[corpus]]\nid = \"part2-local\"\nkind = \"part2\"\nroot = \"{}\"\nexpected_profile = \"parkan-is-part2\"\n",
+                part1.display(),
+                part2.display()
+            ),
+        )
+        .map_err(|err| err.to_string())?;
+
+        assert_eq!(
+            parse_licensed_manifest(&manifest)?,
+            LicensedCorpusRoots { part1, part2 }
+        );
+        fs::remove_dir_all(root).map_err(|err| err.to_string())?;
+        Ok(())
+    }
+
+    #[test]
+    fn licensed_roots_require_manifest_configuration() {
+        let previous = std::env::var_os(CORPORA_MANIFEST_ENV);
+        std::env::remove_var(CORPORA_MANIFEST_ENV);
+
+        assert_eq!(
+            load_licensed_roots(None),
+            Err(format!(
+                "licensed tests require --manifest or {CORPORA_MANIFEST_ENV}=<absolute corpora.toml>"
+            ))
+        );
+
+        if let Some(value) = previous {
+            std::env::set_var(CORPORA_MANIFEST_ENV, value);
+        }
+    }
+
+    #[test]
     fn rejects_unknown_stage() {
         assert_eq!(Stage::parse("6"), Err("stage out of range: 6".to_string()));
         assert_eq!(