create src

src-discover/tests/discover/parse.rs

@@ -0,0 +1,42 @@
+use std::path::Path;
+
+use gix_discover::parse;
+
+#[test]
+fn valid() -> crate::Result {
+    assert_eq!(parse::gitdir(b"gitdir: a")?, Path::new("a"));
+    assert_eq!(parse::gitdir(b"gitdir: relative/path")?, Path::new("relative/path"));
+    assert_eq!(parse::gitdir(b"gitdir: ./relative/path")?, Path::new("./relative/path"));
+    assert_eq!(parse::gitdir(b"gitdir: /absolute/path\n")?, Path::new("/absolute/path"));
+    assert_eq!(
+        parse::gitdir(b"gitdir: C:/hello/there\r\n")?,
+        Path::new("C:/hello/there")
+    );
+
+    Ok(())
+}
+
+#[test]
+fn invalid() {
+    assert!(
+        matches!(
+            parse::gitdir(b"gitdir:"),
+            Err(parse::gitdir::Error::InvalidFormat { .. })
+        ),
+        "missing prefix"
+    );
+    assert!(
+        matches!(
+            parse::gitdir(b"bogus: foo"),
+            Err(parse::gitdir::Error::InvalidFormat { .. })
+        ),
+        "invalid prefix"
+    );
+    assert!(
+        matches!(
+            parse::gitdir(b"gitdir: "),
+            Err(parse::gitdir::Error::InvalidFormat { .. })
+        ),
+        "empty path"
+    );
+}