summaryrefslogtreecommitdiffstats
path: root/vendor/tempfile/tests/namedtempfile.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/tempfile/tests/namedtempfile.rs')
-rw-r--r--vendor/tempfile/tests/namedtempfile.rs283
1 files changed, 283 insertions, 0 deletions
diff --git a/vendor/tempfile/tests/namedtempfile.rs b/vendor/tempfile/tests/namedtempfile.rs
new file mode 100644
index 000000000..a489d56db
--- /dev/null
+++ b/vendor/tempfile/tests/namedtempfile.rs
@@ -0,0 +1,283 @@
+#![deny(rust_2018_idioms)]
+
+use std::env;
+use std::fs::File;
+use std::io::{Read, Seek, SeekFrom, Write};
+use std::path::Path;
+use tempfile::{Builder, NamedTempFile};
+
+fn exists<P: AsRef<Path>>(path: P) -> bool {
+ std::fs::metadata(path.as_ref()).is_ok()
+}
+
+#[test]
+fn test_basic() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ write!(tmpfile, "abcde").unwrap();
+ tmpfile.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ tmpfile.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+}
+
+#[test]
+fn test_deleted() {
+ let tmpfile = NamedTempFile::new().unwrap();
+ let path = tmpfile.path().to_path_buf();
+ assert!(exists(&path));
+ drop(tmpfile);
+ assert!(!exists(&path));
+}
+
+#[test]
+fn test_persist() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ let old_path = tmpfile.path().to_path_buf();
+ let persist_path = env::temp_dir().join("persisted_temporary_file");
+ write!(tmpfile, "abcde").unwrap();
+ {
+ assert!(exists(&old_path));
+ let mut f = tmpfile.persist(&persist_path).unwrap();
+ assert!(!exists(&old_path));
+
+ // Check original file
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ }
+
+ {
+ // Try opening it at the new path.
+ let mut f = File::open(&persist_path).unwrap();
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ }
+ std::fs::remove_file(&persist_path).unwrap();
+}
+
+#[test]
+fn test_persist_noclobber() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ let old_path = tmpfile.path().to_path_buf();
+ let persist_target = NamedTempFile::new().unwrap();
+ let persist_path = persist_target.path().to_path_buf();
+ write!(tmpfile, "abcde").unwrap();
+ assert!(exists(&old_path));
+ {
+ tmpfile = tmpfile.persist_noclobber(&persist_path).unwrap_err().into();
+ assert!(exists(&old_path));
+ std::fs::remove_file(&persist_path).unwrap();
+ drop(persist_target);
+ }
+ tmpfile.persist_noclobber(&persist_path).unwrap();
+ // Try opening it at the new path.
+ let mut f = File::open(&persist_path).unwrap();
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ std::fs::remove_file(&persist_path).unwrap();
+}
+
+#[test]
+fn test_customnamed() {
+ let tmpfile = Builder::new()
+ .prefix("tmp")
+ .suffix(&".rs".to_string())
+ .rand_bytes(12)
+ .tempfile()
+ .unwrap();
+ let name = tmpfile.path().file_name().unwrap().to_str().unwrap();
+ assert!(name.starts_with("tmp"));
+ assert!(name.ends_with(".rs"));
+ assert_eq!(name.len(), 18);
+}
+
+#[test]
+fn test_append() {
+ let mut tmpfile = Builder::new().append(true).tempfile().unwrap();
+ tmpfile.write(b"a").unwrap();
+ tmpfile.seek(SeekFrom::Start(0)).unwrap();
+ tmpfile.write(b"b").unwrap();
+
+ tmpfile.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = vec![0u8; 1];
+ tmpfile.read_exact(&mut buf).unwrap();
+ assert_eq!(buf, b"a");
+}
+
+#[test]
+fn test_reopen() {
+ let source = NamedTempFile::new().unwrap();
+ let mut first = source.reopen().unwrap();
+ let mut second = source.reopen().unwrap();
+ drop(source);
+
+ write!(first, "abcde").expect("write failed");
+ let mut buf = String::new();
+ second.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+}
+
+#[test]
+fn test_into_file() {
+ let mut file = NamedTempFile::new().unwrap();
+ let path = file.path().to_owned();
+ write!(file, "abcde").expect("write failed");
+
+ assert!(path.exists());
+ let mut file = file.into_file();
+ assert!(!path.exists());
+
+ file.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ file.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+}
+
+#[test]
+fn test_immut() {
+ let tmpfile = NamedTempFile::new().unwrap();
+ (&tmpfile).write_all(b"abcde").unwrap();
+ (&tmpfile).seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ (&tmpfile).read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+}
+
+#[test]
+fn test_temppath() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ write!(tmpfile, "abcde").unwrap();
+
+ let path = tmpfile.into_temp_path();
+ assert!(path.is_file());
+}
+
+#[test]
+fn test_temppath_persist() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ write!(tmpfile, "abcde").unwrap();
+
+ let tmppath = tmpfile.into_temp_path();
+
+ let old_path = tmppath.to_path_buf();
+ let persist_path = env::temp_dir().join("persisted_temppath_file");
+
+ {
+ assert!(exists(&old_path));
+ tmppath.persist(&persist_path).unwrap();
+ assert!(!exists(&old_path));
+ }
+
+ {
+ // Try opening it at the new path.
+ let mut f = File::open(&persist_path).unwrap();
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ }
+
+ std::fs::remove_file(&persist_path).unwrap();
+}
+
+#[test]
+fn test_temppath_persist_noclobber() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ write!(tmpfile, "abcde").unwrap();
+
+ let mut tmppath = tmpfile.into_temp_path();
+
+ let old_path = tmppath.to_path_buf();
+ let persist_target = NamedTempFile::new().unwrap();
+ let persist_path = persist_target.path().to_path_buf();
+
+ assert!(exists(&old_path));
+
+ {
+ tmppath = tmppath.persist_noclobber(&persist_path).unwrap_err().into();
+ assert!(exists(&old_path));
+ std::fs::remove_file(&persist_path).unwrap();
+ drop(persist_target);
+ }
+
+ tmppath.persist_noclobber(&persist_path).unwrap();
+
+ // Try opening it at the new path.
+ let mut f = File::open(&persist_path).unwrap();
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ std::fs::remove_file(&persist_path).unwrap();
+}
+
+#[test]
+fn test_write_after_close() {
+ let path = NamedTempFile::new().unwrap().into_temp_path();
+ File::create(path).unwrap().write_all(b"test").unwrap();
+}
+
+#[test]
+fn test_change_dir() {
+ env::set_current_dir(env::temp_dir()).unwrap();
+ let tmpfile = NamedTempFile::new_in(".").unwrap();
+ let path = env::current_dir().unwrap().join(tmpfile.path());
+ env::set_current_dir("/").unwrap();
+ drop(tmpfile);
+ assert!(!exists(path))
+}
+
+#[test]
+fn test_into_parts() {
+ let mut file = NamedTempFile::new().unwrap();
+ write!(file, "abcd").expect("write failed");
+
+ let (mut file, temp_path) = file.into_parts();
+
+ let path = temp_path.to_path_buf();
+
+ assert!(path.exists());
+ drop(temp_path);
+ assert!(!path.exists());
+
+ write!(file, "efgh").expect("write failed");
+
+ file.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ file.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcdefgh", buf);
+}
+
+#[test]
+fn test_keep() {
+ let mut tmpfile = NamedTempFile::new().unwrap();
+ write!(tmpfile, "abcde").unwrap();
+ let (mut f, temp_path) = tmpfile.into_parts();
+ let path;
+ {
+ assert!(exists(&temp_path));
+ path = temp_path.keep().unwrap();
+ assert!(exists(&path));
+
+ // Check original file
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ }
+
+ {
+ // Try opening it again.
+ let mut f = File::open(&path).unwrap();
+ f.seek(SeekFrom::Start(0)).unwrap();
+ let mut buf = String::new();
+ f.read_to_string(&mut buf).unwrap();
+ assert_eq!("abcde", buf);
+ }
+ std::fs::remove_file(&path).unwrap();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 00:15:19 +0000