5 files changed, 34 insertions, 0 deletions
diff --git a/askama_derive/src/path.rs b/askama_derive/src/path.rs
index 728c7ec..9431306 100644
--- a/askama_derive/src/path.rs
+++ b/askama_derive/src/path.rs
@@ -48,3 +48,33 @@ pub fn get_template_source(tpl_file: &str) -> String {
     f.read_to_string(&mut s).unwrap();
     s
 }
+
+#[cfg(test)]
+mod tests {
+    use super::find_template_from_path;
+    use super::Path;
+
+    #[test]
+    fn find_absolute() {
+        let path = find_template_from_path("sub/b.html", Some("a.html"));
+        assert_eq!(path, Path::new("sub/b.html"));
+    }
+
+    #[test]
+    #[should_panic]
+    fn find_relative_nonexistent() {
+        find_template_from_path("b.html", Some("a.html"));
+    }
+
+    #[test]
+    fn find_relative() {
+        let path = find_template_from_path("c.html", Some("sub/b.html"));
+        assert_eq!(path, Path::new("sub/c.html"));
+    }
+
+    #[test]
+    fn find_relative_sub() {
+        let path = find_template_from_path("sub1/d.html", Some("sub/b.html"));
+        assert_eq!(path, Path::new("sub/sub1/d.html"));
+    }
+}
diff --git a/askama_derive/templates/a.html b/askama_derive/templates/a.html
new file mode 100644
index 0000000..257cc56
--- /dev/null
+++ b/askama_derive/templates/a.html
@@ -0,0 +1 @@
+foo
diff --git a/askama_derive/templates/sub/b.html b/askama_derive/templates/sub/b.html
new file mode 100644
index 0000000..5716ca5
--- /dev/null
+++ b/askama_derive/templates/sub/b.html
@@ -0,0 +1 @@
+bar
diff --git a/askama_derive/templates/sub/c.html b/askama_derive/templates/sub/c.html
new file mode 100644
index 0000000..7601807
--- /dev/null
+++ b/askama_derive/templates/sub/c.html
@@ -0,0 +1 @@
+baz
diff --git a/askama_derive/templates/sub/sub1/d.html b/askama_derive/templates/sub/sub1/d.html
new file mode 100644
index 0000000..fa11a6a
--- /dev/null
+++ b/askama_derive/templates/sub/sub1/d.html
@@ -0,0 +1 @@
+echo