added create branch trans, fixed branchtable trans, moved branches modules

scm-ui/src/repos/branches/modules/branches.test.js

@@ -0,0 +1,233 @@
+import configureMockStore from "redux-mock-store";
+import thunk from "redux-thunk/index";
+import fetchMock from "fetch-mock";
+import reducer, {
+  FETCH_BRANCHES,
+  FETCH_BRANCHES_FAILURE,
+  FETCH_BRANCHES_PENDING,
+  FETCH_BRANCHES_SUCCESS,
+  FETCH_BRANCH,
+  FETCH_BRANCH_PENDING,
+  FETCH_BRANCH_SUCCESS,
+  FETCH_BRANCH_FAILURE,
+  fetchBranches,
+  fetchBranchByName,
+  fetchBranchSuccess,
+  fetchBranch,
+  getBranch,
+  getBranches,
+  getFetchBranchesFailure,
+  isFetchBranchesPending
+} from "./branches";
+
+const namespace = "foo";
+const name = "bar";
+const key = namespace + "/" + name;
+const repository = {
+  namespace: "foo",
+  name: "bar",
+  _links: {
+    branches: {
+      href: "http://scm/api/rest/v2/repositories/foo/bar/branches"
+    }
+  }
+};
+
+const branch1 = { name: "branch1", revision: "revision1" };
+const branch2 = { name: "branch2", revision: "revision2" };
+const branch3 = { name: "branch3", revision: "revision3" };
+
+describe("branches", () => {
+  describe("fetch branches", () => {
+    const URL = "http://scm/api/rest/v2/repositories/foo/bar/branches";
+    const mockStore = configureMockStore([thunk]);
+
+    afterEach(() => {
+      fetchMock.reset();
+      fetchMock.restore();
+    });
+
+    it("should fetch branches", () => {
+      const collection = {};
+
+      fetchMock.getOnce(URL, "{}");
+
+      const expectedActions = [
+        {
+          type: FETCH_BRANCHES_PENDING,
+          payload: { repository },
+          itemId: key
+        },
+        {
+          type: FETCH_BRANCHES_SUCCESS,
+          payload: { data: collection, repository },
+          itemId: key
+        }
+      ];
+
+      const store = mockStore({});
+      return store.dispatch(fetchBranches(repository)).then(() => {
+        expect(store.getActions()).toEqual(expectedActions);
+      });
+    });
+
+    it("should fail fetching branches on HTTP 500", () => {
+      const collection = {};
+
+      fetchMock.getOnce(URL, 500);
+
+      const expectedActions = [
+        {
+          type: FETCH_BRANCHES_PENDING,
+          payload: { repository },
+          itemId: key
+        },
+        {
+          type: FETCH_BRANCHES_FAILURE,
+          payload: { error: collection, repository },
+          itemId: key
+        }
+      ];
+
+      const store = mockStore({});
+      return store.dispatch(fetchBranches(repository)).then(() => {
+        expect(store.getActions()[0]).toEqual(expectedActions[0]);
+        expect(store.getActions()[1].type).toEqual(FETCH_BRANCHES_FAILURE);
+      });
+    });
+
+    it("should successfully fetch single branch", () => {
+      fetchMock.getOnce(URL + "/branch1", branch1);
+
+      const store = mockStore({});
+      return store.dispatch(fetchBranchByName(URL, "branch1")).then(() => {
+        const actions = store.getActions();
+        expect(actions[0].type).toEqual(FETCH_BRANCH_PENDING);
+        expect(actions[1].type).toEqual(FETCH_BRANCH_SUCCESS);
+        expect(actions[1].payload).toBeDefined();
+      });
+    });
+
+    it("should fail fetching single branch on HTTP 500", () => {
+      fetchMock.getOnce(URL + "/branch2", {
+        status: 500
+      });
+
+      const store = mockStore({});
+      return store.dispatch(fetchBranchByName(URL, "branch2")).then(() => {
+        const actions = store.getActions();
+        expect(actions[0].type).toEqual(FETCH_BRANCH_PENDING);
+        expect(actions[1].type).toEqual(FETCH_BRANCH_FAILURE);
+        expect(actions[1].payload).toBeDefined();
+      });
+    });
+  });
+
+  describe("branches reducer", () => {
+    const branches = {
+      _embedded: {
+        branches: [branch1, branch2]
+      }
+    };
+    const action = {
+      type: FETCH_BRANCHES_SUCCESS,
+      payload: {
+        repository,
+        data: branches
+      }
+    };
+
+    it("should update state according to successful fetch", () => {
+      const newState = reducer({}, action);
+      expect(newState).toBeDefined();
+      expect(newState[key]).toBeDefined();
+      expect(newState[key]).toContain(branch1);
+      expect(newState[key]).toContain(branch2);
+    });
+
+    it("should not delete existing branches from state", () => {
+      const oldState = {
+        "hitchhiker/heartOfGold": [branch3]
+      };
+
+      const newState = reducer(oldState, action);
+      expect(newState[key]).toContain(branch1);
+      expect(newState[key]).toContain(branch2);
+
+      expect(newState["hitchhiker/heartOfGold"]).toContain(branch3);
+    });
+
+    it("should update state according to FETCH_BRANCH_SUCCESS action", () => {
+      const newState = reducer({}, fetchBranchSuccess(branch3));
+      expect(newState["branch3"]).toBe(branch3);
+    });
+  });
+
+  describe("branch selectors", () => {
+    const error = new Error("Something went wrong");
+
+    const state = {
+      branches: {
+        [key]: [branch1, branch2]
+      }
+    };
+
+    it("should return true, when fetching branches is pending", () => {
+      const state = {
+        pending: {
+          [FETCH_BRANCHES + "/foo/bar"]: true
+        }
+      };
+
+      expect(isFetchBranchesPending(state, repository)).toBeTruthy();
+    });
+
+    it("should return branches", () => {
+      const branches = getBranches(state, repository);
+      expect(branches.length).toEqual(2);
+      expect(branches).toContain(branch1);
+      expect(branches).toContain(branch2);
+    });
+
+    it("should return always the same reference for branches", () => {
+      const one = getBranches(state, repository);
+      const two = getBranches(state, repository);
+      expect(one).toBe(two);
+    });
+
+    it("should return null, if no branches for the repository available", () => {
+      const branches = getBranches({ branches: {} }, repository);
+      expect(branches).toBeNull();
+    });
+
+    it("should return single branch by name", () => {
+      const branch = getBranch(state, repository, "branch1");
+      expect(branch).toEqual(branch1);
+    });
+
+    it("should return same reference for single branch by name", () => {
+      const one = getBranch(state, repository, "branch1");
+      const two = getBranch(state, repository, "branch1");
+      expect(one).toBe(two);
+    });
+
+    it("should return undefined if branch does not exist", () => {
+      const branch = getBranch(state, repository, "branch42");
+      expect(branch).toBeUndefined();
+    });
+
+    it("should return error if fetching branches failed", () => {
+      const state = {
+        failure: {
+          [FETCH_BRANCHES + "/foo/bar"]: error
+        }
+      };
+
+      expect(getFetchBranchesFailure(state, repository)).toEqual(error);
+    });
+
+    it("should return false if fetching branches did not fail", () => {
+      expect(getFetchBranchesFailure({}, repository)).toBeUndefined();
+    });
+  });
+});