1 files changed, 107 insertions, 0 deletions

diff --git a/spec/frontend/lib/utils/url_utility_spec.js b/spec/frontend/lib/utils/url_utility_spec.js
index 048736d75f6..989de1a8337 100644
--- a/spec/frontend/lib/utils/url_utility_spec.js
+++ b/spec/frontend/lib/utils/url_utility_spec.js
@@ -1,5 +1,20 @@
 import * as urlUtils from '~/lib/utils/url_utility';
 
+const shas = {
+  valid: [
+    'ad9be38573f9ee4c4daec22673478c2dd1d81cd8',
+    '76e07a692f65a2f4fd72f107a3e83908bea9b7eb',
+    '9dd8f215b1e8605b1d59eaf9df1178081cda0aaf',
+    'f2e0be58c4091b033203bae1cc0302febd54117d',
+  ],
+  invalid: [
+    'zd9be38573f9ee4c4daec22673478c2dd1d81cd8',
+    ':6e07a692f65a2f4fd72f107a3e83908bea9b7eb',
+    '-dd8f215b1e8605b1d59eaf9df1178081cda0aaf',
+    ' 2e0be58c4091b033203bae1cc0302febd54117d',
+  ],
+};
+
 const setWindowLocation = value => {
   Object.defineProperty(window, 'location', {
     writable: true,
@@ -154,6 +169,44 @@ describe('URL utility', () => {
     });
   });
 
+  describe('urlContainsSha', () => {
+    it('returns true when there is a valid 40-character SHA1 hash in the URL', () => {
+      shas.valid.forEach(sha => {
+        expect(
+          urlUtils.urlContainsSha({ url: `http://urlstuff/${sha}/moreurlstuff` }),
+        ).toBeTruthy();
+      });
+    });
+
+    it('returns false when there is not a valid 40-character SHA1 hash in the URL', () => {
+      shas.invalid.forEach(str => {
+        expect(urlUtils.urlContainsSha({ url: `http://urlstuff/${str}/moreurlstuff` })).toBeFalsy();
+      });
+    });
+  });
+
+  describe('getShaFromUrl', () => {
+    let validUrls = [];
+    let invalidUrls = [];
+
+    beforeAll(() => {
+      validUrls = shas.valid.map(sha => `http://urlstuff/${sha}/moreurlstuff`);
+      invalidUrls = shas.invalid.map(str => `http://urlstuff/${str}/moreurlstuff`);
+    });
+
+    it('returns the valid 40-character SHA1 hash from the URL', () => {
+      validUrls.forEach((url, idx) => {
+        expect(urlUtils.getShaFromUrl({ url })).toBe(shas.valid[idx]);
+      });
+    });
+
+    it('returns null from a URL with no valid 40-character SHA1 hash', () => {
+      invalidUrls.forEach(url => {
+        expect(urlUtils.getShaFromUrl({ url })).toBeNull();
+      });
+    });
+  });
+
   describe('setUrlFragment', () => {
     it('should set fragment when url has no fragment', () => {
       const url = urlUtils.setUrlFragment('/home/feature', 'usage');
@@ -174,6 +227,44 @@ describe('URL utility', () => {
     });
   });
 
+  describe('updateHistory', () => {
+    const state = { key: 'prop' };
+    const title = 'TITLE';
+    const url = 'URL';
+    const win = {
+      history: {
+        pushState: jest.fn(),
+        replaceState: jest.fn(),
+      },
+    };
+
+    beforeEach(() => {
+      win.history.pushState.mockReset();
+      win.history.replaceState.mockReset();
+    });
+
+    it('should call replaceState if the replace option is true', () => {
+      urlUtils.updateHistory({ state, title, url, replace: true, win });
+
+      expect(win.history.replaceState).toHaveBeenCalledWith(state, title, url);
+      expect(win.history.pushState).not.toHaveBeenCalled();
+    });
+
+    it('should call pushState if the replace option is missing', () => {
+      urlUtils.updateHistory({ state, title, url, win });
+
+      expect(win.history.replaceState).not.toHaveBeenCalled();
+      expect(win.history.pushState).toHaveBeenCalledWith(state, title, url);
+    });
+
+    it('should call pushState if the replace option is false', () => {
+      urlUtils.updateHistory({ state, title, url, replace: false, win });
+
+      expect(win.history.replaceState).not.toHaveBeenCalled();
+      expect(win.history.pushState).toHaveBeenCalledWith(state, title, url);
+    });
+  });
+
   describe('getBaseURL', () => {
     beforeEach(() => {
       setWindowLocation({
@@ -331,6 +422,22 @@ describe('URL utility', () => {
     });
   });
 
+  describe('urlIsDifferent', () => {
+    beforeEach(() => {
+      setWindowLocation('current');
+    });
+
+    it('should compare against the window location if no compare value is provided', () => {
+      expect(urlUtils.urlIsDifferent('different')).toBeTruthy();
+      expect(urlUtils.urlIsDifferent('current')).toBeFalsy();
+    });
+
+    it('should use the provided compare value', () => {
+      expect(urlUtils.urlIsDifferent('different', 'current')).toBeTruthy();
+      expect(urlUtils.urlIsDifferent('current', 'current')).toBeFalsy();
+    });
+  });
+
   describe('setUrlParams', () => {
     it('adds new params as query string', () => {
       const url = 'https://gitlab.com/test';