diff --git a/scm-ui/src/config/modules/roles.test.js b/scm-ui/src/config/modules/roles.test.js
new file mode 100644
index 0000000000..7bb6bdcc60
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+++ b/scm-ui/src/config/modules/roles.test.js
@@ -0,0 +1,552 @@
+// @flow
+import configureMockStore from "redux-mock-store";
+import thunk from "redux-thunk";
+import fetchMock from "fetch-mock";
+
+import reducer, {
+  FETCH_ROLES,
+  FETCH_ROLES_PENDING,
+  FETCH_ROLES_SUCCESS,
+  FETCH_ROLES_FAILURE,
+  FETCH_ROLE,
+  FETCH_ROLE_PENDING,
+  FETCH_ROLE_SUCCESS,
+  FETCH_ROLE_FAILURE,
+  CREATE_ROLE,
+  CREATE_ROLE_PENDING,
+  CREATE_ROLE_SUCCESS,
+  CREATE_ROLE_FAILURE,
+  MODIFY_ROLE,
+  MODIFY_ROLE_PENDING,
+  MODIFY_ROLE_SUCCESS,
+  MODIFY_ROLE_FAILURE,
+  DELETE_ROLE,
+  DELETE_ROLE_PENDING,
+  DELETE_ROLE_SUCCESS,
+  DELETE_ROLE_FAILURE,
+  fetchRoles,
+  getFetchRolesFailure,
+  getRolesFromState,
+  isFetchRolesPending,
+  fetchRolesSuccess,
+  fetchRoleByLink,
+  fetchRoleByName,
+  fetchRoleSuccess,
+  isFetchRolePending,
+  getFetchRoleFailure,
+  createRole,
+  isCreateRolePending,
+  getCreateRoleFailure,
+  getRoleByName,
+  modifyRole,
+  isModifyRolePending,
+  getModifyRoleFailure,
+  deleteRole,
+  isDeleteRolePending,
+  deleteRoleSuccess,
+  getDeleteRoleFailure,
+  selectListAsCollection,
+  isPermittedToCreateRoles
+} from "./roles";
+
+const URL = "roles";
+const ROLES_URL = "api/v2/repositoryPermissions";
+
+const error = new Error("FEHLER!");
+
+const verbs = [
+  "createPullRequest",
+  "readPullRequest",
+  "commentPullRequest",
+  "modifyPullRequest",
+  "mergePullRequest",
+  "git",
+  "hg",
+  "read",
+  "modify",
+  "delete",
+  "pull",
+  "push",
+  "permissionRead",
+  "permissionWrite",
+  "*"
+];
+
+const repositoryRoles = {
+  availableVerbs: verbs,
+  availableRoles: [
+    {
+      name: "READ",
+      creationDate: null,
+      lastModified: null,
+      type: "system",
+      verb: ["read", "pull", "readPullRequest"]
+    },
+    {
+      name: "WRITE",
+      creationDate: null,
+      lastModified: null,
+      type: "system",
+      verb: [
+        "read",
+        "pull",
+        "push",
+        "createPullRequest",
+        "readPullRequest",
+        "commentPullRequest",
+        "mergePullRequest"
+      ]
+    },
+    {
+      name: "OWNER",
+      creationDate: null,
+      lastModified: null,
+      type: "system",
+      verb: ["*"]
+    }
+  ],
+  _links: {
+    self: {
+      href: "http://localhost:8081/scm/api/v2/repositoryPermissions/"
+    }
+  }
+};
+
+const responseBody = {
+  entries: repositoryRoles,
+  rolesUpdatePermission: false
+};
+
+const response = {
+  headers: { "content-type": "application/json" },
+  responseBody
+};
+
+describe("repository roles fetch()", () => {
+  const mockStore = configureMockStore([thunk]);
+  afterEach(() => {
+    fetchMock.reset();
+    fetchMock.restore();
+  });
+
+  it("should successfully fetch repository roles", () => {
+    fetchMock.getOnce(ROLES_URL, response);
+
+    const expectedActions = [
+      { type: FETCH_ROLES_PENDING },
+      {
+        type: FETCH_ROLES_SUCCESS,
+        payload: response
+      }
+    ];
+
+    const store = mockStore({});
+
+    return store.dispatch(fetchRoles(URL)).then(() => {
+      expect(store.getActions()).toEqual(expectedActions);
+    });
+  });
+
+  it("should fail getting repository roles on HTTP 500", () => {
+    fetchMock.getOnce(ROLES_URL, {
+      status: 500
+    });
+
+    const store = mockStore({});
+
+    return store.dispatch(fetchRoles(URL)).then(() => {
+      const actions = store.getActions();
+      expect(actions[0].type).toEqual(FETCH_ROLES_PENDING);
+      expect(actions[1].type).toEqual(FETCH_ROLES_FAILURE);
+      expect(actions[1].payload).toBeDefined();
+    });
+  });
+
+  it("should add a role successfully", () => {
+    // unmatched
+    fetchMock.postOnce(ROLES_URL, {
+      status: 204
+    });
+
+    // after create, the roles are fetched again
+    fetchMock.getOnce(ROLES_URL, response);
+
+    const store = mockStore({});
+
+    return store.dispatch(createRole(URL, role1)).then(() => {
+      const actions = store.getActions();
+      expect(actions[0].type).toEqual(CREATE_ROLE_PENDING);
+      expect(actions[1].type).toEqual(CREATE_ROLE_SUCCESS);
+    });
+  });
+
+  it("should fail adding a role on HTTP 500", () => {
+    fetchMock.postOnce(ROLES_URL, {
+      status: 500
+    });
+
+    const store = mockStore({});
+
+    return store.dispatch(createRole(URL, role1)).then(() => {
+      const actions = store.getActions();
+      expect(actions[0].type).toEqual(CREATE_ROLE_PENDING);
+      expect(actions[1].type).toEqual(CREATE_ROLE_FAILURE);
+      expect(actions[1].payload).toBeDefined();
+    });
+  });
+
+  it("should call the callback after role successfully created", () => {
+    // unmatched
+    fetchMock.postOnce(ROLES_URL, {
+      status: 204
+    });
+
+    let callMe = "not yet";
+
+    const callback = () => {
+      callMe = "yeah";
+    };
+
+    const store = mockStore({});
+    return store.dispatch(createRole(URL, role1, callback)).then(() => {
+      expect(callMe).toBe("yeah");
+    });
+  });
+
+  it("successfully update role", () => {
+    fetchMock.putOnce(ROLE1_URL, {
+      status: 204
+    });
+    fetchMock.getOnce(ROLE1_URL, role1);
+
+    const store = mockStore({});
+    return store.dispatch(modifyRole(role1)).then(() => {
+      const actions = store.getActions();
+      expect(actions.length).toBe(3);
+      expect(actions[0].type).toEqual(MODIFY_ROLE_PENDING);
+      expect(actions[1].type).toEqual(MODIFY_ROLE_SUCCESS);
+      expect(actions[2].type).toEqual(FETCH_ROLE_PENDING);
+    });
+  });
+
+  it("should call callback, after successful modified role", () => {
+    fetchMock.putOnce(ROLE1_URL, {
+      status: 204
+    });
+    fetchMock.getOnce(ROLE1_URL, role1);
+
+    let called = false;
+    const callMe = () => {
+      called = true;
+    };
+
+    const store = mockStore({});
+    return store.dispatch(modifyRole(role1, callMe)).then(() => {
+      expect(called).toBeTruthy();
+    });
+  });
+
+
+
+
+
+  it("should fail updating role on HTTP 500", () => {
+    fetchMock.putOnce(ROLE1_URL, {
+      status: 500
+    });
+
+    const store = mockStore({});
+    return store.dispatch(modifyRole(role1)).then(() => {
+      const actions = store.getActions();
+      expect(actions[0].type).toEqual(MODIFY_ROLE_PENDING);
+      expect(actions[1].type).toEqual(MODIFY_ROLE_FAILURE);
+      expect(actions[1].payload).toBeDefined();
+    });
+  });
+
+  it("should delete successfully role1", () => {
+    fetchMock.deleteOnce(ROLE1_URL, {
+      status: 204
+    });
+
+    const store = mockStore({});
+    return store.dispatch(deleteRole(role1)).then(() => {
+      const actions = store.getActions();
+      expect(actions.length).toBe(2);
+      expect(actions[0].type).toEqual(DELETE_ROLE_PENDING);
+      expect(actions[0].payload).toBe(role1);
+      expect(actions[1].type).toEqual(DELETE_ROLE_SUCCESS);
+    });
+  });
+
+  it("should call the callback, after successful delete", () => {
+    fetchMock.deleteOnce(ROLE1_URL, {
+      status: 204
+    });
+
+    let called = false;
+    const callMe = () => {
+      called = true;
+    };
+
+    const store = mockStore({});
+    return store.dispatch(deleteRole(role1, callMe)).then(() => {
+      expect(called).toBeTruthy();
+    });
+  });
+
+  it("should fail to delete role1", () => {
+    fetchMock.deleteOnce(ROLE1_URL, {
+      status: 500
+    });
+
+    const store = mockStore({});
+    return store.dispatch(deleteRole(role1)).then(() => {
+      const actions = store.getActions();
+      expect(actions[0].type).toEqual(DELETE_ROLE_PENDING);
+      expect(actions[0].payload).toBe(role1);
+      expect(actions[1].type).toEqual(DELETE_ROLE_FAILURE);
+      expect(actions[1].payload).toBeDefined();
+    });
+  });
+});
+
+describe("repository roles reducer", () => {
+  it("should update state correctly according to FETCH_ROLES_SUCCESS action", () => {
+
+  });
+
+  it("should set roleCreatePermission to true if update link is present", () => {
+
+  });
+
+  it("should not replace whole byNames map when fetching roles", () => {
+
+  });
+
+  it("should remove role from state when delete succeeds", () => {
+
+  });
+
+  it("should set roleCreatePermission to true if create link is present", () => {
+
+  });
+
+  it("should update state according to FETCH_ROLE_SUCCESS action", () => {
+
+  });
+
+  it("should affect roles state nor the state of other roles", () => {
+
+  });
+});
+
+describe("selector tests", () => {
+  it("should return an empty object", () => {
+    expect(selectListAsCollection({})).toEqual({});
+    expect(selectListAsCollection({ roles: { a: "a" } })).toEqual({});
+  });
+
+  it("should return a state slice collection", () => {
+    const collection = {
+      page: 3,
+      totalPages: 42
+    };
+
+    const state = {
+      roles: {
+        list: {
+          entry: collection
+        }
+      }
+    };
+    expect(selectListAsCollection(state)).toBe(collection);
+  });
+
+  it("should return false", () => {
+    expect(isPermittedToCreateRoles({})).toBe(false);
+    expect(isPermittedToCreateRoles({ roles: { list: { entry: {} } } })).toBe(
+      false
+    );
+    expect(
+      isPermittedToCreateRoles({
+        roles: { list: { entry: { roleCreatePermission: false } } }
+      })
+    ).toBe(false);
+  });
+
+  it("should return true", () => {
+    const state = {
+      roles: {
+        list: {
+          entry: {
+            roleCreatePermission: true
+          }
+        }
+      }
+    };
+    expect(isPermittedToCreateRoles(state)).toBe(true);
+  });
+
+  it("should get roles from state", () => {
+    const state = {
+      roles: {
+        list: {
+          entries: ["a", "b"]
+        },
+        byNames: {
+          a: { name: "a" },
+          b: { name: "b" }
+        }
+      }
+    };
+    expect(getRolesFromState(state)).toEqual([{ name: "a" }, { name: "b" }]);
+  });
+
+  it("should return true, when fetch roles is pending", () => {
+    const state = {
+      pending: {
+        [FETCH_ROLES]: true
+      }
+    };
+    expect(isFetchRolesPending(state)).toEqual(true);
+  });
+
+  it("should return false, when fetch roles is not pending", () => {
+    expect(isFetchRolesPending({})).toEqual(false);
+  });
+
+  it("should return error when fetch roles did fail", () => {
+    const state = {
+      failure: {
+        [FETCH_ROLES]: error
+      }
+    };
+    expect(getFetchRolesFailure(state)).toEqual(error);
+  });
+
+  it("should return undefined when fetch roles did not fail", () => {
+    expect(getFetchRolesFailure({})).toBe(undefined);
+  });
+
+  it("should return true if create role is pending", () => {
+    const state = {
+      pending: {
+        [CREATE_ROLE]: true
+      }
+    };
+    expect(isCreateRolePending(state)).toBe(true);
+  });
+
+  it("should return false if create role is not pending", () => {
+    const state = {
+      pending: {
+        [CREATE_ROLE]: false
+      }
+    };
+    expect(isCreateRolePending(state)).toBe(false);
+  });
+
+  it("should return error when create role did fail", () => {
+    const state = {
+      failure: {
+        [CREATE_ROLE]: error
+      }
+    };
+    expect(getCreateRoleFailure(state)).toEqual(error);
+  });
+
+  it("should return undefined when create role did not fail", () => {
+    expect(getCreateRoleFailure({})).toBe(undefined);
+  });
+
+  it("should return role1", () => {
+    const state = {
+      roles: {
+        byNames: {
+          role1: role1
+        }
+      }
+    };
+    expect(getRoleByName(state, "role1")).toEqual(role1);
+  });
+
+  it("should return true, when fetch role2 is pending", () => {
+    const state = {
+      pending: {
+        [FETCH_ROLE + "/role2"]: true
+      }
+    };
+    expect(isFetchRolePending(state, "role2")).toEqual(true);
+  });
+
+  it("should return false, when fetch role2 is not pending", () => {
+    expect(isFetchRolePending({}, "role2")).toEqual(false);
+  });
+
+  it("should return error when fetch role2 did fail", () => {
+    const state = {
+      failure: {
+        [FETCH_ROLE + "/role2"]: error
+      }
+    };
+    expect(getFetchRoleFailure(state, "role2")).toEqual(error);
+  });
+
+  it("should return undefined when fetch role2 did not fail", () => {
+    expect(getFetchRoleFailure({}, "role2")).toBe(undefined);
+  });
+
+  it("should return true, when modify role1 is pending", () => {
+    const state = {
+      pending: {
+        [MODIFY_ROLE + "/role1"]: true
+      }
+    };
+    expect(isModifyRolePending(state, "role1")).toEqual(true);
+  });
+
+  it("should return false, when modify role1 is not pending", () => {
+    expect(isModifyRolePending({}, "role1")).toEqual(false);
+  });
+
+  it("should return error when modify role1 did fail", () => {
+    const state = {
+      failure: {
+        [MODIFY_ROLE + "/role1"]: error
+      }
+    };
+    expect(getModifyRoleFailure(state, "role1")).toEqual(error);
+  });
+
+  it("should return undefined when modify role1 did not fail", () => {
+    expect(getModifyRoleFailure({}, "role1")).toBe(undefined);
+  });
+
+  it("should return true, when delete role2 is pending", () => {
+    const state = {
+      pending: {
+        [DELETE_ROLE + "/role2"]: true
+      }
+    };
+    expect(isDeleteRolePending(state, "role2")).toEqual(true);
+  });
+
+  it("should return false, when delete role2 is not pending", () => {
+    expect(isDeleteRolePending({}, "role2")).toEqual(false);
+  });
+
+  it("should return error when delete role2 did fail", () => {
+    const state = {
+      failure: {
+        [DELETE_ROLE + "/role2"]: error
+      }
+    };
+    expect(getDeleteRoleFailure(state, "role2")).toEqual(error);
+  });
+
+  it("should return undefined when delete role2 did not fail", () => {
+    expect(getDeleteRoleFailure({}, "role2")).toBe(undefined);
+  });
+});
+