Add multipaths tests

lib/tests/env_reporting.rs

@@ -9,6 +9,11 @@ use watchexec::{
 	paths::summarise_events_to_env,
 };
 
+#[cfg(unix)]
+const ENV_SEP: &str = ":";
+#[cfg(not(unix))]
+const ENV_SEP: &str = ";";
+
 fn ospath(path: &str) -> OsString {
 	let root = dunce::canonicalize(".").unwrap();
 	if path.is_empty() {
@@ -120,3 +125,112 @@ fn single_otherwise() {
 		])
 	);
 }
+
+#[test]
+fn all_types_once() {
+	let events = vec![
+		event("create.txt", FileEventKind::Create(CreateKind::File)),
+		event(
+			"metadata.txt",
+			FileEventKind::Modify(ModifyKind::Metadata(MetadataKind::Any)),
+		),
+		event("remove.txt", FileEventKind::Remove(RemoveKind::File)),
+		event(
+			"rename.txt",
+			FileEventKind::Modify(ModifyKind::Name(RenameMode::Any)),
+		),
+		event(
+			"modify.txt",
+			FileEventKind::Modify(ModifyKind::Data(DataChange::Any)),
+		),
+		event("any.txt", FileEventKind::Any),
+	];
+	assert_eq!(
+		summarise_events_to_env(&events),
+		HashMap::from([
+			(OsStr::new("CREATED"), OsString::from("create.txt")),
+			(OsStr::new("META_CHANGED"), OsString::from("metadata.txt")),
+			(OsStr::new("REMOVED"), OsString::from("remove.txt")),
+			(OsStr::new("RENAMED"), OsString::from("rename.txt")),
+			(OsStr::new("WRITTEN"), OsString::from("modify.txt")),
+			(OsStr::new("OTHERWISE_CHANGED"), OsString::from("any.txt")),
+			(OsStr::new("COMMON_PATH"), ospath("")),
+		])
+	);
+}
+
+#[test]
+fn single_type_multipath() {
+	let events = vec![
+		event("root.txt", FileEventKind::Create(CreateKind::File)),
+		event("sub/folder.txt", FileEventKind::Create(CreateKind::File)),
+		event("dom/folder.txt", FileEventKind::Create(CreateKind::File)),
+		event(
+			"deeper/sub/folder.txt",
+			FileEventKind::Create(CreateKind::File),
+		),
+	];
+	assert_eq!(
+		summarise_events_to_env(&events),
+		HashMap::from([
+			(
+				OsStr::new("CREATED"),
+				OsString::from(
+					"".to_string()
+						+ "root.txt" + ENV_SEP + "sub/folder.txt"
+						+ ENV_SEP + "dom/folder.txt"
+						+ ENV_SEP + "deeper/sub/folder.txt"
+				)
+			),
+			(OsStr::new("COMMON_PATH"), ospath("")),
+		])
+	);
+}
+
+#[test]
+fn single_type_divergent_paths() {
+	let events = vec![
+		event("sub/folder.txt", FileEventKind::Create(CreateKind::File)),
+		event("dom/folder.txt", FileEventKind::Create(CreateKind::File)),
+	];
+	assert_eq!(
+		summarise_events_to_env(&events),
+		HashMap::from([
+			(
+				OsStr::new("CREATED"),
+				OsString::from("".to_string() + "sub/folder.txt" + ENV_SEP + "dom/folder.txt")
+			),
+			(OsStr::new("COMMON_PATH"), ospath("")),
+		])
+	);
+}
+
+#[test]
+fn multitype_multipath() {
+	let events = vec![
+		event("root.txt", FileEventKind::Create(CreateKind::File)),
+		event("sibling.txt", FileEventKind::Create(CreateKind::Any)),
+		event(
+			"sub/folder.txt",
+			FileEventKind::Modify(ModifyKind::Metadata(MetadataKind::Ownership)),
+		),
+		event("dom/folder.txt", FileEventKind::Remove(RemoveKind::Folder)),
+		event("deeper/sub/folder.txt", FileEventKind::Other),
+	];
+	assert_eq!(
+		summarise_events_to_env(&events),
+		HashMap::from([
+			(
+				OsStr::new("CREATED"),
+				OsString::from("".to_string() + "root.txt" + ENV_SEP + "sibling.txt"),
+			),
+			(OsStr::new("META_CHANGED"), OsString::from("sub/folder.txt"),),
+			(OsStr::new("REMOVED"), OsString::from("dom/folder.txt"),),
+			(
+				OsStr::new("OTHERWISE_CHANGED"),
+				OsString::from("deeper/sub/folder.txt"),
+			),
+			(OsStr::new("COMMON_PATH"), ospath("")),
+		])
+	);
+}