[ci skip] Add repo_edit_button_spec and repo_preview_spec

spec/javascripts/repo/components/repo_edit_button_spec.js

+import Vue from 'vue';
+import repoEditButton from '~/repo/components/repo_edit_button.vue';
+import RepoStore from '~/repo/stores/repo_store';
+
+describe('RepoEditButton', () => {
+  function createComponent() {
+    const RepoEditButton = Vue.extend(repoEditButton);
+
+    return new RepoEditButton().$mount();
+  }
+
+  it('renders an edit button that toggles the view state', (done) => {
+    RepoStore.isCommitable = true;
+
+    const vm = createComponent();
+
+    expect(vm.$el.tagName).toEqual('BUTTON');
+    expect(vm.$el.textContent).toMatch('Edit');
+
+    spyOn(vm, 'editClicked').and.callThrough();
+
+    vm.$el.click();
+
+    Vue.nextTick(() => {
+      expect(vm.editClicked).toHaveBeenCalled();
+      expect(vm.$el.textContent).toMatch('Cancel edit');
+      done();
+    });
+  });
+
+  it('does not render if not isCommitable', () => {
+    RepoStore.isCommitable = false;
+
+    const vm = createComponent();
+
+    expect(vm.$el.innerHTML).toBeUndefined();
+  });
+
+  describe('methods', () => {
+    describe('editClicked', () => {
+      it('sets dialog to open when there are changedFiles', () => {
+
+      });
+
+      it('toggles editMode and calls toggleBlobView', () => {
+
+      });
+    });
+  });
+});

spec/javascripts/repo/components/repo_preview_spec.js

+import Vue from 'vue';
+import repoPreview from '~/repo/components/repo_preview.vue';
+import RepoStore from '~/repo/stores/repo_store';
+
+describe('RepoPreview', () => {
+  function createComponent() {
+    const RepoPreview = Vue.extend(repoPreview);
+
+    return new RepoPreview().$mount();
+  }
+
+  it('renders a div with the activeFile html', () => {
+    const activeFile = {
+      html: '<p class="file-content">html</p>',
+    };
+    RepoStore.activeFile = activeFile;
+
+    const vm = createComponent();
+
+    expect(vm.$el.tagName).toEqual('DIV');
+    expect(vm.$el.innerHTML).toEqual(activeFile.html);
+  });
+});

spec/javascripts/repo/components/repo_sidebar_spec.js

@@ -2,7 +2,7 @@ import Vue from 'vue';
 import RepoStore from '~/repo/stores/repo_store';
 import repoSidebar from '~/repo/components/repo_sidebar.vue';
 
-describe('RepoSidebar', () => {
+fdescribe('RepoSidebar', () => {
   function createComponent() {
     const RepoSidebar = Vue.extend(repoSidebar);