#264 Test reducer

test/client/reducers/GitLabReducer.test.js

@@ -0,0 +1,49 @@
+import {describe, it} from 'mocha'
+import {expect} from 'chai'
+import {reduce} from '../../../src/client/reducers/GitLabReducer'
+import {
+  GITLAB_SET_URL,
+  INITIALISED,
+  GITLAB_SET_SNIPPET_ID
+} from '../../../src/client/actions/Actions'
+import {fromJS, Map} from 'immutable'
+
+describe('GitLabReducer', function () {
+
+  it('should return the state unmodified for an unknown action', function () {
+    const existingState = Map({foo: 'bar'})
+    const newState = reduce(existingState, {type: 'not-a-real-action'})
+    expect(newState).to.deep.equal(existingState)
+  })
+
+  describe(INITIALISED, function () {
+
+    it('should merge all data', function () {
+      const existingState = Map({})
+      const action = {type: INITIALISED, data: fromJS({gitlab: {url: 'some-url', snippetId: 'some-id'}})}
+      const newState = reduce(existingState, action)
+      expect(newState).to.eql(Map({url: 'some-url', snippetId: 'some-id'}))
+    })
+  })
+
+  describe(GITLAB_SET_SNIPPET_ID, function () {
+
+    it('should set the id property', function () {
+      const existingState = Map()
+      const action = {type: GITLAB_SET_SNIPPET_ID, snippetId: 'some-id'}
+      const newState = reduce(existingState, action)
+      expect(newState).to.have.property('snippetId', 'some-id')
+    })
+  })
+
+  describe(GITLAB_SET_URL, function () {
+
+    it('should set the id property', function () {
+      const existingState = Map()
+      const action = {type: GITLAB_SET_URL, url: 'some-url'}
+      const newState = reduce(existingState, action)
+      expect(newState).to.have.property('url', 'some-url')
+    })
+  })
+
+})