4 files changed, 136 insertions, 13 deletions

diff --git a/spec/frontend/lib/utils/axios_startup_calls_spec.js b/spec/frontend/lib/utils/axios_startup_calls_spec.js
index e804cae7914..e12bf725560 100644
--- a/spec/frontend/lib/utils/axios_startup_calls_spec.js
+++ b/spec/frontend/lib/utils/axios_startup_calls_spec.js
@@ -111,21 +111,44 @@ describe('setupAxiosStartupCalls', () => {
     });
   });
 
-  it('removes GitLab Base URL from startup call', async () => {
-    const oldGon = window.gon;
-    window.gon = { gitlab_url: 'https://example.org/gitlab' };
-
-    window.gl.startup_calls = {
-      '/startup': {
-        fetchCall: mockFetchCall(200),
-      },
-    };
-    setupAxiosStartupCalls(axios);
+  describe('startup call', () => {
+    let oldGon;
+
+    beforeEach(() => {
+      oldGon = window.gon;
+      window.gon = { gitlab_url: 'https://example.org/gitlab' };
+    });
+
+    afterEach(() => {
+      window.gon = oldGon;
+    });
 
-    const { data } = await axios.get('https://example.org/gitlab/startup');
+    it('removes GitLab Base URL from startup call', async () => {
+      window.gl.startup_calls = {
+        '/startup': {
+          fetchCall: mockFetchCall(200),
+        },
+      };
+      setupAxiosStartupCalls(axios);
 
-    expect(data).toEqual(STARTUP_JS_RESPONSE);
+      const { data } = await axios.get('https://example.org/gitlab/startup');
 
-    window.gon = oldGon;
+      expect(data).toEqual(STARTUP_JS_RESPONSE);
+    });
+
+    it('sorts the params in the requested API url', async () => {
+      window.gl.startup_calls = {
+        '/startup?alpha=true&bravo=true': {
+          fetchCall: mockFetchCall(200),
+        },
+      };
+      setupAxiosStartupCalls(axios);
+
+      // Use a full url instead of passing options = { params: { ... } } to axios.get
+      // to ensure the params are listed in the specified order.
+      const { data } = await axios.get('https://example.org/gitlab/startup?bravo=true&alpha=true');
+
+      expect(data).toEqual(STARTUP_JS_RESPONSE);
+    });
   });
 });
diff --git a/spec/frontend/lib/utils/datetime_utility_spec.js b/spec/frontend/lib/utils/datetime_utility_spec.js
index 5b1fdea058b..a7973d66b50 100644
--- a/spec/frontend/lib/utils/datetime_utility_spec.js
+++ b/spec/frontend/lib/utils/datetime_utility_spec.js
@@ -667,3 +667,26 @@ describe('differenceInMilliseconds', () => {
     expect(datetimeUtility.differenceInMilliseconds(startDate, endDate)).toBe(expected);
   });
 });
+
+describe('dateAtFirstDayOfMonth', () => {
+  const date = new Date('2019-07-16T12:00:00.000Z');
+
+  it('returns the date at the first day of the month', () => {
+    const startDate = datetimeUtility.dateAtFirstDayOfMonth(date);
+    const expectedStartDate = new Date('2019-07-01T12:00:00.000Z');
+
+    expect(startDate).toStrictEqual(expectedStartDate);
+  });
+});
+
+describe('datesMatch', () => {
+  const date = new Date('2019-07-17T00:00:00.000Z');
+
+  it.each`
+    date1   | date2                                   | expected
+    ${date} | ${new Date('2019-07-17T00:00:00.000Z')} | ${true}
+    ${date} | ${new Date('2019-07-17T12:00:00.000Z')} | ${false}
+  `('returns $expected for $date1 matches $date2', ({ date1, date2, expected }) => {
+    expect(datetimeUtility.datesMatch(date1, date2)).toBe(expected);
+  });
+});
diff --git a/spec/frontend/lib/utils/experimentation_spec.js b/spec/frontend/lib/utils/experimentation_spec.js
new file mode 100644
index 00000000000..2c5d2f89297
--- /dev/null
+++ b/spec/frontend/lib/utils/experimentation_spec.js
@@ -0,0 +1,20 @@
+import * as experimentUtils from '~/lib/utils/experimentation';
+
+const TEST_KEY = 'abc';
+
+describe('experiment Utilities', () => {
+  describe('isExperimentEnabled', () => {
+    it.each`
+      experiments              | value
+      ${{ [TEST_KEY]: true }}  | ${true}
+      ${{ [TEST_KEY]: false }} | ${false}
+      ${{ def: true }}         | ${false}
+      ${{}}                    | ${false}
+      ${null}                  | ${false}
+    `('returns correct value of $value for experiments=$experiments', ({ experiments, value }) => {
+      window.gon = { experiments };
+
+      expect(experimentUtils.isExperimentEnabled(TEST_KEY)).toEqual(value);
+    });
+  });
+});
diff --git a/spec/frontend/lib/utils/url_utility_spec.js b/spec/frontend/lib/utils/url_utility_spec.js
index 869ae274a3f..2afc1694281 100644
--- a/spec/frontend/lib/utils/url_utility_spec.js
+++ b/spec/frontend/lib/utils/url_utility_spec.js
@@ -664,6 +664,19 @@ describe('URL utility', () => {
     });
   });
 
+  describe('cleanLeadingSeparator', () => {
+    it.each`
+      path            | expected
+      ${'/foo/bar'}   | ${'foo/bar'}
+      ${'foo/bar'}    | ${'foo/bar'}
+      ${'//foo/bar'}  | ${'foo/bar'}
+      ${'/./foo/bar'} | ${'./foo/bar'}
+      ${''}           | ${''}
+    `('$path becomes $expected', ({ path, expected }) => {
+      expect(urlUtils.cleanLeadingSeparator(path)).toBe(expected);
+    });
+  });
+
   describe('joinPaths', () => {
     it.each`
       paths                                       | expected
@@ -688,6 +701,18 @@ describe('URL utility', () => {
     });
   });
 
+  describe('stripFinalUrlSegment', () => {
+    it.each`
+      path                                                        | expected
+      ${'http://fake.domain/twitter/typeahead-js/-/tags/v0.11.0'} | ${'http://fake.domain/twitter/typeahead-js/-/tags/'}
+      ${'http://fake.domain/bar/cool/-/nested/content'}           | ${'http://fake.domain/bar/cool/-/nested/'}
+      ${'http://fake.domain/bar/cool?q="search"'}                 | ${'http://fake.domain/bar/'}
+      ${'http://fake.domain/bar/cool#link-to-something'}          | ${'http://fake.domain/bar/'}
+    `('stripFinalUrlSegment $path => $expected', ({ path, expected }) => {
+      expect(urlUtils.stripFinalUrlSegment(path)).toBe(expected);
+    });
+  });
+
   describe('escapeFileUrl', () => {
     it('encodes URL excluding the slashes', () => {
       expect(urlUtils.escapeFileUrl('/foo-bar/file.md')).toBe('/foo-bar/file.md');
@@ -787,4 +812,36 @@ describe('URL utility', () => {
       expect(urlUtils.getHTTPProtocol(url)).toBe(expectation);
     });
   });
+
+  describe('stripPathTail', () => {
+    it.each`
+      path                     | expected
+      ${''}                    | ${''}
+      ${'index.html'}          | ${''}
+      ${'/'}                   | ${'/'}
+      ${'/foo/bar'}            | ${'/foo/'}
+      ${'/foo/bar/'}           | ${'/foo/bar/'}
+      ${'/foo/bar/index.html'} | ${'/foo/bar/'}
+    `('strips the filename from $path => $expected', ({ path, expected }) => {
+      expect(urlUtils.stripPathTail(path)).toBe(expected);
+    });
+  });
+
+  describe('getURLOrigin', () => {
+    it('when no url passed, returns correct origin from window location', () => {
+      const origin = 'https://foo.bar';
+
+      setWindowLocation({ origin });
+      expect(urlUtils.getURLOrigin()).toBe(origin);
+    });
+
+    it.each`
+      url                          | expectation
+      ${'not-a-url'}               | ${null}
+      ${'wss://example.com'}       | ${'wss://example.com'}
+      ${'https://foo.bar/foo/bar'} | ${'https://foo.bar'}
+    `('returns correct origin for $url', ({ url, expectation }) => {
+      expect(urlUtils.getURLOrigin(url)).toBe(expectation);
+    });
+  });
 });