test: zprint

src/formatters/zprint.rs

@@ -9,3 +9,47 @@ pub fn run(file_path: &std::path::Path) -> Result<(bool, Option<String>), MdsfEr
 
     execute_command(cmd, file_path)
 }
+
+#[cfg(test)]
+mod test_zprint {
+    use crate::{formatters::setup_snippet, generated::language_to_ext};
+
+    #[test_with::executable(zprint)]
+    fn it_should_format_clojure() {
+        let input = "(defn change-start-column [new-start-column style-vec [inline-comment-index
+  start-column spaces-before :as comment-vec]] (if (zero? inline-comment-index)
+  style-vec (let [delta-spaces (- new-start-column start-column) new-spaces
+  (+ spaces-before delta-spaces) previous-element-index (dec
+  inline-comment-index) [s c e :as previous-element] (nth style-vec
+  previous-element-index) new-previous-element (cond (= e :indent) [(str \"\n\"
+  (blanks new-spaces)) c e] (= e :whitespace) [(str (blanks new-spaces))
+  c e 26] :else nil)] (assoc style-vec previous-element-index
+  new-previous-element))))";
+
+        let expected_output = "(defn change-start-column
+  [new-start-column style-vec
+   [inline-comment-index start-column spaces-before :as comment-vec]]
+  (if (zero? inline-comment-index)
+    style-vec
+    (let [delta-spaces (- new-start-column start-column)
+          new-spaces (+ spaces-before delta-spaces)
+          previous-element-index (dec inline-comment-index)
+          [s c e :as previous-element] (nth style-vec previous-element-index)
+          new-previous-element
+            (cond (= e :indent) [(str \"\n\" (blanks new-spaces)) c e]
+                  (= e :whitespace) [(str (blanks new-spaces)) c e 26]
+                  :else nil)]
+      (assoc style-vec previous-element-index new-previous-element))))";
+
+        let snippet =
+            setup_snippet(input, language_to_ext("clojure")).expect("it to create a snippet file");
+
+        let output = super::run(snippet.path())
+            .expect("it to be successful")
+            .1
+            .expect("it to be some");
+
+        // NOTE: we are trimming since I do not remember if the output ends with a blank line
+        assert_eq!(expected_output, output.trim());
+    }
+}