Add latest changes from gitlab-org/gitlab@master

3 files changed, 190 insertions, 0 deletions

diff --git a/spec/frontend/blob/components/__snapshots__/blob_edit_content_spec.js.snap b/spec/frontend/blob/components/__snapshots__/blob_edit_content_spec.js.snap
new file mode 100644
index 00000000000..0409b118222
--- /dev/null
+++ b/spec/frontend/blob/components/__snapshots__/blob_edit_content_spec.js.snap
@@ -0,0 +1,14 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Blob Header Editing rendering matches the snapshot 1`] = `
+<div
+  class="file-content code"
+>
+  <pre
+    data-editor-loading=""
+    id="editor"
+  >
+    Lorem ipsum dolor sit amet, consectetur adipiscing elit.
+  </pre>
+</div>
+`;
diff --git a/spec/frontend/blob/components/blob_edit_content_spec.js b/spec/frontend/blob/components/blob_edit_content_spec.js
new file mode 100644
index 00000000000..eff53fe7ce9
--- /dev/null
+++ b/spec/frontend/blob/components/blob_edit_content_spec.js
@@ -0,0 +1,81 @@
+import { shallowMount } from '@vue/test-utils';
+import BlobEditContent from '~/blob/components/blob_edit_content.vue';
+import { initEditorLite } from '~/blob/utils';
+import { nextTick } from 'vue';
+
+jest.mock('~/blob/utils', () => ({
+  initEditorLite: jest.fn(),
+}));
+
+describe('Blob Header Editing', () => {
+  let wrapper;
+  const value = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.';
+  const fileName = 'lorem.txt';
+
+  function createComponent() {
+    wrapper = shallowMount(BlobEditContent, {
+      propsData: {
+        value,
+        fileName,
+      },
+    });
+  }
+
+  beforeEach(() => {
+    createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('rendering', () => {
+    it('matches the snapshot', () => {
+      expect(wrapper.element).toMatchSnapshot();
+    });
+
+    it('renders content', () => {
+      expect(wrapper.text()).toContain(value);
+    });
+  });
+
+  describe('functionality', () => {
+    it('initialises Editor Lite', () => {
+      const el = wrapper.find({ ref: 'editor' }).element;
+      expect(initEditorLite).toHaveBeenCalledWith({
+        el,
+        blobPath: fileName,
+        blobContent: value,
+      });
+    });
+
+    it('reacts to the changes in fileName', () => {
+      wrapper.vm.editor = {
+        updateModelLanguage: jest.fn(),
+      };
+
+      const newFileName = 'ipsum.txt';
+
+      wrapper.setProps({
+        fileName: newFileName,
+      });
+
+      return nextTick().then(() => {
+        expect(wrapper.vm.editor.updateModelLanguage).toHaveBeenCalledWith(newFileName);
+      });
+    });
+
+    it('emits input event when the blob content is changed', () => {
+      const editorEl = wrapper.find({ ref: 'editor' });
+      wrapper.vm.editor = {
+        getValue: jest.fn().mockReturnValue(value),
+      };
+
+      editorEl.trigger('focusout');
+
+      return nextTick().then(() => {
+        expect(wrapper.emitted().input[0]).toEqual([value]);
+      });
+    });
+  });
+});
diff --git a/spec/frontend/blob/utils_spec.js b/spec/frontend/blob/utils_spec.js
new file mode 100644
index 00000000000..39a73aae444
--- /dev/null
+++ b/spec/frontend/blob/utils_spec.js
@@ -0,0 +1,95 @@
+import Editor from '~/editor/editor_lite';
+import * as utils from '~/blob/utils';
+
+const mockCreateMonacoInstance = jest.fn();
+jest.mock('~/editor/editor_lite', () => {
+  return jest.fn().mockImplementation(() => {
+    return { createInstance: mockCreateMonacoInstance };
+  });
+});
+
+const mockCreateAceInstance = jest.fn();
+global.ace = {
+  edit: mockCreateAceInstance,
+};
+
+describe('Blob utilities', () => {
+  beforeEach(() => {
+    Editor.mockClear();
+  });
+
+  describe('initEditorLite', () => {
+    let editorEl;
+    const blobPath = 'foo.txt';
+    const blobContent = 'Foo bar';
+
+    beforeEach(() => {
+      setFixtures('<div id="editor"></div>');
+      editorEl = document.getElementById('editor');
+    });
+
+    describe('Monaco editor', () => {
+      let origProp;
+
+      beforeEach(() => {
+        origProp = window.gon;
+        window.gon = {
+          features: {
+            monacoSnippets: true,
+          },
+        };
+      });
+
+      afterEach(() => {
+        window.gon = origProp;
+      });
+
+      it('initializes the Editor Lite', () => {
+        utils.initEditorLite({ el: editorEl });
+        expect(Editor).toHaveBeenCalled();
+      });
+
+      it('creates the instance with the passed parameters', () => {
+        utils.initEditorLite({ el: editorEl });
+        expect(mockCreateMonacoInstance.mock.calls[0]).toEqual([
+          {
+            el: editorEl,
+            blobPath: undefined,
+            blobContent: undefined,
+          },
+        ]);
+
+        utils.initEditorLite({ el: editorEl, blobPath, blobContent });
+        expect(mockCreateMonacoInstance.mock.calls[1]).toEqual([
+          {
+            el: editorEl,
+            blobPath,
+            blobContent,
+          },
+        ]);
+      });
+    });
+    describe('ACE editor', () => {
+      let origProp;
+
+      beforeEach(() => {
+        origProp = window.gon;
+        window.gon = {
+          features: {
+            monacoSnippets: false,
+          },
+        };
+      });
+
+      afterEach(() => {
+        window.gon = origProp;
+      });
+
+      it('does not initialize the Editor Lite', () => {
+        utils.initEditorLite({ el: editorEl });
+        expect(Editor).not.toHaveBeenCalled();
+        expect(mockCreateAceInstance).toHaveBeenCalledWith(editorEl);
+      });
+    });
+  });
+});