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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/tempfile/tests/spooled.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/tempfile/tests/spooled.rs')
-rw-r--r--vendor/tempfile/tests/spooled.rs307
1 files changed, 307 insertions, 0 deletions
diff --git a/vendor/tempfile/tests/spooled.rs b/vendor/tempfile/tests/spooled.rs
new file mode 100644
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--- /dev/null
+++ b/vendor/tempfile/tests/spooled.rs
@@ -0,0 +1,307 @@
+#![deny(rust_2018_idioms)]
+
+use std::io::{Read, Seek, SeekFrom, Write};
+
+use tempfile::{spooled_tempfile, SpooledTempFile};
+
+#[test]
+fn test_automatic_rollover() {
+ let mut t = spooled_tempfile(10);
+ let mut buf = Vec::new();
+
+ assert!(!t.is_rolled());
+ assert_eq!(t.stream_position().unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 0);
+ assert_eq!(buf.as_slice(), b"");
+ buf.clear();
+
+ assert_eq!(t.write(b"abcde").unwrap(), 5);
+
+ assert!(!t.is_rolled());
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 5);
+ assert_eq!(buf.as_slice(), b"abcde");
+
+ assert_eq!(t.write(b"fghijklmno").unwrap(), 10);
+
+ assert_eq!(t.stream_position().unwrap(), 15);
+ assert!(t.is_rolled());
+}
+
+#[test]
+fn test_explicit_rollover() {
+ let mut t = SpooledTempFile::new(100);
+ assert_eq!(t.write(b"abcdefghijklmnopqrstuvwxyz").unwrap(), 26);
+ assert_eq!(t.stream_position().unwrap(), 26);
+ assert!(!t.is_rolled());
+
+ // roll over explicitly
+ assert!(t.roll().is_ok());
+ assert!(t.is_rolled());
+ assert_eq!(t.stream_position().unwrap(), 26);
+
+ let mut buf = Vec::new();
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 0);
+ assert_eq!(buf.as_slice(), b"");
+ buf.clear();
+
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 26);
+ assert_eq!(buf.as_slice(), b"abcdefghijklmnopqrstuvwxyz");
+ assert_eq!(t.stream_position().unwrap(), 26);
+}
+
+// called by test_seek_{buffer, file}
+// assumes t is empty and offset is 0 to start
+fn test_seek(t: &mut SpooledTempFile) {
+ assert_eq!(t.write(b"abcdefghijklmnopqrstuvwxyz").unwrap(), 26);
+
+ assert_eq!(t.stream_position().unwrap(), 26); // tell()
+ assert_eq!(t.seek(SeekFrom::Current(-1)).unwrap(), 25);
+ assert_eq!(t.seek(SeekFrom::Current(1)).unwrap(), 26);
+ assert_eq!(t.seek(SeekFrom::Current(1)).unwrap(), 27);
+ assert_eq!(t.seek(SeekFrom::Current(-27)).unwrap(), 0);
+ assert!(t.seek(SeekFrom::Current(-1)).is_err());
+ assert!(t.seek(SeekFrom::Current(-1245)).is_err());
+
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.seek(SeekFrom::Start(1)).unwrap(), 1);
+ assert_eq!(t.seek(SeekFrom::Start(26)).unwrap(), 26);
+ assert_eq!(t.seek(SeekFrom::Start(27)).unwrap(), 27);
+ // // these are build errors
+ // assert!(t.seek(SeekFrom::Start(-1)).is_err());
+ // assert!(t.seek(SeekFrom::Start(-1000)).is_err());
+
+ assert_eq!(t.seek(SeekFrom::End(0)).unwrap(), 26);
+ assert_eq!(t.seek(SeekFrom::End(-1)).unwrap(), 25);
+ assert_eq!(t.seek(SeekFrom::End(-26)).unwrap(), 0);
+ assert!(t.seek(SeekFrom::End(-27)).is_err());
+ assert!(t.seek(SeekFrom::End(-99)).is_err());
+ assert_eq!(t.seek(SeekFrom::End(1)).unwrap(), 27);
+ assert_eq!(t.seek(SeekFrom::End(1)).unwrap(), 27);
+}
+
+#[test]
+fn test_seek_buffer() {
+ let mut t = spooled_tempfile(100);
+ test_seek(&mut t);
+}
+
+#[test]
+fn test_seek_file() {
+ let mut t = SpooledTempFile::new(10);
+ test_seek(&mut t);
+}
+
+fn test_seek_read(t: &mut SpooledTempFile) {
+ assert_eq!(t.write(b"abcdefghijklmnopqrstuvwxyz").unwrap(), 26);
+
+ let mut buf = Vec::new();
+
+ // we're at the end
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 0);
+ assert_eq!(buf.as_slice(), b"");
+ buf.clear();
+
+ // seek to start, read whole thing
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 26);
+ assert_eq!(buf.as_slice(), b"abcdefghijklmnopqrstuvwxyz");
+ buf.clear();
+
+ // now we're at the end again
+ assert_eq!(t.stream_position().unwrap(), 26); // tell()
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 0);
+ assert_eq!(buf.as_slice(), b"");
+ buf.clear();
+
+ // seek to somewhere in the middle, read a bit
+ assert_eq!(t.seek(SeekFrom::Start(5)).unwrap(), 5);
+ let mut buf = [0; 5];
+ assert!(t.read_exact(&mut buf).is_ok());
+ assert_eq!(buf, *b"fghij");
+
+ // read again from current spot
+ assert_eq!(t.stream_position().unwrap(), 10); // tell()
+ assert!(t.read_exact(&mut buf).is_ok());
+ assert_eq!(buf, *b"klmno");
+
+ let mut buf = [0; 15];
+ // partial read
+ assert_eq!(t.read(&mut buf).unwrap(), 11);
+ assert_eq!(buf[0..11], *b"pqrstuvwxyz");
+
+ // try to read off the end: UnexpectedEof
+ assert!(t.read_exact(&mut buf).is_err());
+}
+
+#[test]
+fn test_seek_read_buffer() {
+ let mut t = spooled_tempfile(100);
+ test_seek_read(&mut t);
+}
+
+#[test]
+fn test_seek_read_file() {
+ let mut t = SpooledTempFile::new(10);
+ test_seek_read(&mut t);
+}
+
+fn test_overwrite_middle(t: &mut SpooledTempFile) {
+ assert_eq!(t.write(b"abcdefghijklmnopqrstuvwxyz").unwrap(), 26);
+
+ assert_eq!(t.seek(SeekFrom::Start(10)).unwrap(), 10);
+ assert_eq!(t.write(b"0123456789").unwrap(), 10);
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+
+ let mut buf = Vec::new();
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 26);
+ assert_eq!(buf.as_slice(), b"abcdefghij0123456789uvwxyz");
+}
+
+#[test]
+fn test_overwrite_middle_of_buffer() {
+ let mut t = spooled_tempfile(100);
+ test_overwrite_middle(&mut t);
+}
+
+#[test]
+fn test_overwrite_middle_of_file() {
+ let mut t = SpooledTempFile::new(10);
+ test_overwrite_middle(&mut t);
+}
+
+#[test]
+fn test_overwrite_and_extend_buffer() {
+ let mut t = spooled_tempfile(100);
+ assert_eq!(t.write(b"abcdefghijklmnopqrstuvwxyz").unwrap(), 26);
+ assert_eq!(t.seek(SeekFrom::End(-5)).unwrap(), 21);
+ assert_eq!(t.write(b"0123456789").unwrap(), 10);
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ let mut buf = Vec::new();
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 31);
+ assert_eq!(buf.as_slice(), b"abcdefghijklmnopqrstu0123456789");
+ assert!(!t.is_rolled());
+}
+
+#[test]
+fn test_overwrite_and_extend_rollover() {
+ let mut t = SpooledTempFile::new(20);
+ assert_eq!(t.write(b"abcdefghijklmno").unwrap(), 15);
+ assert!(!t.is_rolled());
+ assert_eq!(t.seek(SeekFrom::End(-5)).unwrap(), 10);
+ assert_eq!(t.stream_position().unwrap(), 10); // tell()
+ assert!(!t.is_rolled());
+ assert_eq!(t.write(b"0123456789)!@#$%^&*(").unwrap(), 20);
+ assert!(t.is_rolled());
+ assert_eq!(t.stream_position().unwrap(), 30); // tell()
+ let mut buf = Vec::new();
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 30);
+ assert_eq!(buf.as_slice(), b"abcdefghij0123456789)!@#$%^&*(");
+}
+
+fn test_sparse(t: &mut SpooledTempFile) {
+ assert_eq!(t.write(b"abcde").unwrap(), 5);
+ assert_eq!(t.seek(SeekFrom::Current(5)).unwrap(), 10);
+ assert_eq!(t.write(b"klmno").unwrap(), 5);
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ let mut buf = Vec::new();
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 15);
+ assert_eq!(buf.as_slice(), b"abcde\0\0\0\0\0klmno");
+}
+
+#[test]
+fn test_sparse_buffer() {
+ let mut t = spooled_tempfile(100);
+ test_sparse(&mut t);
+}
+
+#[test]
+fn test_sparse_file() {
+ let mut t = SpooledTempFile::new(1);
+ test_sparse(&mut t);
+}
+
+#[test]
+fn test_sparse_write_rollover() {
+ let mut t = spooled_tempfile(10);
+ assert_eq!(t.write(b"abcde").unwrap(), 5);
+ assert!(!t.is_rolled());
+ assert_eq!(t.seek(SeekFrom::Current(5)).unwrap(), 10);
+ assert!(!t.is_rolled());
+ assert_eq!(t.write(b"klmno").unwrap(), 5);
+ assert!(t.is_rolled());
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ let mut buf = Vec::new();
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 15);
+ assert_eq!(buf.as_slice(), b"abcde\0\0\0\0\0klmno");
+}
+
+fn test_set_len(t: &mut SpooledTempFile) {
+ let mut buf: Vec<u8> = Vec::new();
+
+ assert_eq!(t.write(b"abcdefghijklmnopqrstuvwxyz").unwrap(), 26);
+
+ // truncate to 10 bytes
+ assert!(t.set_len(10).is_ok());
+
+ // position should not have moved
+ assert_eq!(t.stream_position().unwrap(), 26); // tell()
+
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 0);
+ assert_eq!(buf.as_slice(), b"");
+ assert_eq!(t.stream_position().unwrap(), 26); // tell()
+ buf.clear();
+
+ // read whole thing
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 10);
+ assert_eq!(buf.as_slice(), b"abcdefghij");
+ buf.clear();
+
+ // set_len to expand beyond the end
+ assert!(t.set_len(40).is_ok());
+ assert_eq!(t.stream_position().unwrap(), 10); // tell()
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 40);
+ assert_eq!(
+ buf.as_slice(),
+ &b"abcdefghij\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"[..]
+ );
+}
+
+#[test]
+fn test_set_len_buffer() {
+ let mut t = spooled_tempfile(100);
+ test_set_len(&mut t);
+}
+
+#[test]
+fn test_set_len_file() {
+ let mut t = spooled_tempfile(100);
+ test_set_len(&mut t);
+}
+
+#[test]
+fn test_set_len_rollover() {
+ let mut buf: Vec<u8> = Vec::new();
+
+ let mut t = spooled_tempfile(10);
+ assert_eq!(t.write(b"abcde").unwrap(), 5);
+ assert!(!t.is_rolled());
+ assert_eq!(t.stream_position().unwrap(), 5); // tell()
+
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 5);
+ assert_eq!(buf.as_slice(), b"abcde");
+ assert_eq!(t.stream_position().unwrap(), 5); // tell()
+ buf.clear();
+
+ assert!(t.set_len(20).is_ok());
+ assert!(t.is_rolled());
+ assert_eq!(t.stream_position().unwrap(), 5); // tell()
+ assert_eq!(t.seek(SeekFrom::Start(0)).unwrap(), 0);
+ assert_eq!(t.read_to_end(&mut buf).unwrap(), 20);
+ assert_eq!(buf.as_slice(), b"abcde\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
+}