1 files changed, 121 insertions, 0 deletions
diff --git a/spec/javascripts/repo/services/repo_service_spec.js b/spec/javascripts/repo/services/repo_service_spec.js
new file mode 100644
index 00000000000..d74e6a67b1e
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+++ b/spec/javascripts/repo/services/repo_service_spec.js
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+import axios from 'axios';
+import RepoService from '~/repo/services/repo_service';
+
+describe('RepoService', () => {
+  it('has default json format param', () => {
+    expect(RepoService.options.params.format).toBe('json');
+  });
+
+  describe('buildParams', () => {
+    let newParams;
+    const url = 'url';
+
+    beforeEach(() => {
+      newParams = {};
+
+      spyOn(Object, 'assign').and.returnValue(newParams);
+    });
+
+    it('clones params', () => {
+      const params = RepoService.buildParams(url);
+
+      expect(Object.assign).toHaveBeenCalledWith({}, RepoService.options.params);
+
+      expect(params).toBe(newParams);
+    });
+
+    it('sets and returns viewer params to richif urlIsRichBlob is true', () => {
+      spyOn(RepoService, 'urlIsRichBlob').and.returnValue(true);
+
+      const params = RepoService.buildParams(url);
+
+      expect(params.viewer).toEqual('rich');
+    });
+
+    it('returns params urlIsRichBlob is false', () => {
+      spyOn(RepoService, 'urlIsRichBlob').and.returnValue(false);
+
+      const params = RepoService.buildParams(url);
+
+      expect(params.viewer).toBeUndefined();
+    });
+
+    it('calls urlIsRichBlob with the objects url prop if no url arg is provided', () => {
+      spyOn(RepoService, 'urlIsRichBlob');
+      RepoService.url = url;
+
+      RepoService.buildParams();
+
+      expect(RepoService.urlIsRichBlob).toHaveBeenCalledWith(url);
+    });
+  });
+
+  describe('urlIsRichBlob', () => {
+    it('returns true for md extension', () => {
+      const isRichBlob = RepoService.urlIsRichBlob('url.md');
+
+      expect(isRichBlob).toBeTruthy();
+    });
+
+    it('returns false for js extension', () => {
+      const isRichBlob = RepoService.urlIsRichBlob('url.js');
+
+      expect(isRichBlob).toBeFalsy();
+    });
+  });
+
+  describe('getContent', () => {
+    const params = {};
+    const url = 'url';
+    const requestPromise = Promise.resolve();
+
+    beforeEach(() => {
+      spyOn(RepoService, 'buildParams').and.returnValue(params);
+      spyOn(axios, 'get').and.returnValue(requestPromise);
+    });
+
+    it('calls buildParams and axios.get', () => {
+      const request = RepoService.getContent(url);
+
+      expect(RepoService.buildParams).toHaveBeenCalledWith(url);
+      expect(axios.get).toHaveBeenCalledWith(url, {
+        params,
+      });
+      expect(request).toBe(requestPromise);
+    });
+
+    it('uses object url prop if no url arg is provided', () => {
+      RepoService.url = url;
+
+      RepoService.getContent();
+
+      expect(axios.get).toHaveBeenCalledWith(url, {
+        params,
+      });
+    });
+  });
+
+  describe('getBase64Content', () => {
+    const url = 'url';
+    const response = { data: 'data' };
+
+    beforeEach(() => {
+      spyOn(RepoService, 'bufferToBase64');
+      spyOn(axios, 'get').and.returnValue(Promise.resolve(response));
+    });
+
+    it('calls axios.get and bufferToBase64 on completion', (done) => {
+      const request = RepoService.getBase64Content(url);
+
+      expect(axios.get).toHaveBeenCalledWith(url, {
+        responseType: 'arraybuffer',
+      });
+      expect(request).toEqual(jasmine.any(Promise));
+
+      request.then(() => {
+        expect(RepoService.bufferToBase64).toHaveBeenCalledWith(response.data);
+        done();
+      }).catch(done.fail);
+    });
+  });
+});