1 files changed, 130 insertions, 0 deletions
diff --git a/spec/javascripts/diffs/store/actions_spec.js b/spec/javascripts/diffs/store/actions_spec.js
index e47c7906fcb..070bfb2ccd0 100644
--- a/spec/javascripts/diffs/store/actions_spec.js
+++ b/spec/javascripts/diffs/store/actions_spec.js
@@ -30,6 +30,11 @@ import actions, {
   setRenderTreeList,
   setShowWhitespace,
   setRenderIt,
+  requestFullDiff,
+  receiveFullDiffSucess,
+  receiveFullDiffError,
+  fetchFullDiff,
+  toggleFullDiff,
 } from '~/diffs/store/actions';
 import eventHub from '~/notes/event_hub';
 import * as types from '~/diffs/store/mutation_types';
@@ -847,4 +852,129 @@ describe('DiffsStoreActions', () => {
       testAction(setRenderIt, 'file', {}, [{ type: types.RENDER_FILE, payload: 'file' }], [], done);
     });
   });
+
+  describe('requestFullDiff', () => {
+    it('commits REQUEST_FULL_DIFF', done => {
+      testAction(
+        requestFullDiff,
+        'file',
+        {},
+        [{ type: types.REQUEST_FULL_DIFF, payload: 'file' }],
+        [],
+        done,
+      );
+    });
+  });
+
+  describe('receiveFullDiffSucess', () => {
+    it('commits REQUEST_FULL_DIFF', done => {
+      testAction(
+        receiveFullDiffSucess,
+        { filePath: 'test', data: 'test' },
+        {},
+        [{ type: types.RECEIVE_FULL_DIFF_SUCCESS, payload: { filePath: 'test', data: 'test' } }],
+        [],
+        done,
+      );
+    });
+  });
+
+  describe('receiveFullDiffError', () => {
+    it('commits REQUEST_FULL_DIFF', done => {
+      testAction(
+        receiveFullDiffError,
+        'file',
+        {},
+        [{ type: types.RECEIVE_FULL_DIFF_ERROR, payload: 'file' }],
+        [],
+        done,
+      );
+    });
+  });
+
+  describe('fetchFullDiff', () => {
+    let mock;
+    let scrollToElementSpy;
+
+    beforeEach(() => {
+      scrollToElementSpy = spyOnDependency(actions, 'scrollToElement').and.stub();
+
+      mock = new MockAdapter(axios);
+    });
+
+    afterEach(() => {
+      mock.restore();
+    });
+
+    describe('success', () => {
+      beforeEach(() => {
+        mock.onGet(`${gl.TEST_HOST}/context`).replyOnce(200, ['test']);
+      });
+
+      it('dispatches receiveFullDiffSucess', done => {
+        testAction(
+          fetchFullDiff,
+          { context_lines_path: `${gl.TEST_HOST}/context`, file_path: 'test', file_hash: 'test' },
+          null,
+          [],
+          [{ type: 'receiveFullDiffSucess', payload: { filePath: 'test', data: ['test'] } }],
+          done,
+        );
+      });
+
+      it('scrolls to element', done => {
+        fetchFullDiff(
+          { dispatch() {} },
+          { context_lines_path: `${gl.TEST_HOST}/context`, file_path: 'test', file_hash: 'test' },
+        )
+          .then(() => {
+            expect(scrollToElementSpy).toHaveBeenCalledWith('#test');
+
+            done();
+          })
+          .catch(done.fail);
+      });
+    });
+
+    describe('error', () => {
+      beforeEach(() => {
+        mock.onGet(`${gl.TEST_HOST}/context`).replyOnce(500);
+      });
+
+      it('dispatches receiveFullDiffError', done => {
+        testAction(
+          fetchFullDiff,
+          { context_lines_path: `${gl.TEST_HOST}/context`, file_path: 'test', file_hash: 'test' },
+          null,
+          [],
+          [{ type: 'receiveFullDiffError', payload: 'test' }],
+          done,
+        );
+      });
+    });
+  });
+
+  describe('toggleFullDiff', () => {
+    let state;
+
+    beforeEach(() => {
+      state = {
+        diffFiles: [{ file_path: 'test', isShowingFullFile: false }],
+      };
+    });
+
+    it('dispatches fetchFullDiff when file is not expanded', done => {
+      testAction(
+        toggleFullDiff,
+        'test',
+        state,
+        [],
+        [
+          { type: 'requestFullDiff', payload: 'test' },
+          { type: 'fetchFullDiff', payload: state.diffFiles[0] },
+        ],
+        done,
+      );
+    });
+  });
 });