scm-ui: new repository layout

scm-ui/ui-components/src/repos/diffs.test.js

@@ -0,0 +1,76 @@
+// @flow
+import type { File, FileChangeType, Hunk } from "./DiffTypes";
+import {
+  getPath,
+  createHunkIdentifier,
+  createHunkIdentifierFromContext
+} from "./diffs";
+
+describe("tests for diff util functions", () => {
+  const file = (
+    type: FileChangeType,
+    oldPath: string,
+    newPath: string
+  ): File => {
+    return {
+      hunks: [],
+      type: type,
+      oldPath,
+      newPath,
+      newEndingNewLine: true,
+      oldEndingNewLine: true
+    };
+  };
+
+  const add = (path: string) => {
+    return file("add", "/dev/null", path);
+  };
+
+  const rm = (path: string) => {
+    return file("delete", path, "/dev/null");
+  };
+
+  const modify = (path: string) => {
+    return file("modify", path, path);
+  };
+
+  const createHunk = (content: string): Hunk => {
+    return {
+      content,
+      changes: []
+    };
+  };
+
+  describe("getPath tests", () => {
+    it("should pick the new path, for type add", () => {
+      const file = add("/etc/passwd");
+      const path = getPath(file);
+      expect(path).toBe("/etc/passwd");
+    });
+
+    it("should pick the old path, for type delete", () => {
+      const file = rm("/etc/passwd");
+      const path = getPath(file);
+      expect(path).toBe("/etc/passwd");
+    });
+  });
+
+  describe("createHunkIdentifier tests", () => {
+    it("should create identifier", () => {
+      const file = modify("/etc/passwd");
+      const hunk = createHunk("@@ -1,18 +1,15 @@");
+      const identifier = createHunkIdentifier(file, hunk);
+      expect(identifier).toBe("modify_/etc/passwd_@@ -1,18 +1,15 @@");
+    });
+  });
+
+  describe("createHunkIdentifierFromContext tests", () => {
+    it("should create identifier", () => {
+      const identifier = createHunkIdentifierFromContext({
+        file: rm("/etc/passwd"),
+        hunk: createHunk("@@ -1,42 +1,39 @@")
+      });
+      expect(identifier).toBe("delete_/etc/passwd_@@ -1,42 +1,39 @@");
+    });
+  });
+});