1 files changed, 129 insertions, 0 deletions
diff --git a/spec/frontend/repository/log_tree_spec.js b/spec/frontend/repository/log_tree_spec.js
new file mode 100644
index 00000000000..a9499f7c61b
--- /dev/null
+++ b/spec/frontend/repository/log_tree_spec.js
@@ -0,0 +1,129 @@
+import MockAdapter from 'axios-mock-adapter';
+import axios from '~/lib/utils/axios_utils';
+import { normalizeData, resolveCommit, fetchLogsTree } from '~/repository/log_tree';
+
+const mockData = [
+  {
+    commit: {
+      id: '123',
+      message: 'testing message',
+      committed_date: '2019-01-01',
+    },
+    commit_path: `https://test.com`,
+    file_name: 'index.js',
+    type: 'blob',
+  },
+];
+
+describe('normalizeData', () => {
+  it('normalizes data into LogTreeCommit object', () => {
+    expect(normalizeData(mockData)).toEqual([
+      {
+        sha: '123',
+        message: 'testing message',
+        committedDate: '2019-01-01',
+        commitPath: 'https://test.com',
+        fileName: 'index.js',
+        type: 'blob',
+        __typename: 'LogTreeCommit',
+      },
+    ]);
+  });
+});
+
+describe('resolveCommit', () => {
+  it('calls resolve when commit found', () => {
+    const resolver = {
+      entry: { name: 'index.js', type: 'blob' },
+      resolve: jest.fn(),
+    };
+    const commits = [{ fileName: 'index.js', type: 'blob' }];
+
+    resolveCommit(commits, resolver);
+
+    expect(resolver.resolve).toHaveBeenCalledWith({ fileName: 'index.js', type: 'blob' });
+  });
+});
+
+describe('fetchLogsTree', () => {
+  let mock;
+  let client;
+  let resolver;
+
+  beforeEach(() => {
+    mock = new MockAdapter(axios);
+
+    mock.onGet(/(.*)/).reply(200, mockData, {});
+
+    jest.spyOn(axios, 'get');
+
+    global.gon = { gitlab_url: 'https://test.com' };
+
+    client = {
+      readQuery: () => ({
+        projectPath: 'gitlab-org/gitlab-ce',
+        ref: 'master',
+        commits: [],
+      }),
+      writeQuery: jest.fn(),
+    };
+
+    resolver = {
+      entry: { name: 'index.js', type: 'blob' },
+      resolve: jest.fn(),
+    };
+  });
+
+  afterEach(() => {
+    mock.restore();
+  });
+
+  it('calls axios get', () =>
+    fetchLogsTree(client, '', '0', resolver).then(() => {
+      expect(axios.get).toHaveBeenCalledWith(
+        'https://test.com/gitlab-org/gitlab-ce/refs/master/logs_tree',
+        { params: { format: 'json', offset: '0' } },
+      );
+    }));
+
+  it('calls axios get once', () =>
+    Promise.all([
+      fetchLogsTree(client, '', '0', resolver),
+      fetchLogsTree(client, '', '0', resolver),
+    ]).then(() => {
+      expect(axios.get.mock.calls.length).toEqual(1);
+    }));
+
+  it('calls entry resolver', () =>
+    fetchLogsTree(client, '', '0', resolver).then(() => {
+      expect(resolver.resolve).toHaveBeenCalledWith({
+        __typename: 'LogTreeCommit',
+        commitPath: 'https://test.com',
+        committedDate: '2019-01-01',
+        fileName: 'index.js',
+        message: 'testing message',
+        sha: '123',
+        type: 'blob',
+      });
+    }));
+
+  it('writes query to client', () =>
+    fetchLogsTree(client, '', '0', resolver).then(() => {
+      expect(client.writeQuery).toHaveBeenCalledWith({
+        query: expect.anything(),
+        data: {
+          commits: [
+            {
+              __typename: 'LogTreeCommit',
+              commitPath: 'https://test.com',
+              committedDate: '2019-01-01',
+              fileName: 'index.js',
+              message: 'testing message',
+              sha: '123',
+              type: 'blob',
+            },
+          ],
+        },
+      });
+    }));
+});