Bug 1539530 - Setting up Jest tests with Task Cluster r=Honza

Differential Revision: https://phabricator.services.mozilla.com/D25247

--HG--
extra : moz-landing-system : lando

devtools/client/netmonitor/package.json

@@ -7,8 +7,8 @@
   "description": "Network monitor in developer tools",
   "dependencies": {
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
-    "babel-plugin-transform-react-jsx": "^6.24.1",
     "babel-plugin-transform-object-rest-spread": "^6.26.0",
+    "babel-plugin-transform-react-jsx": "^6.24.1",
     "codemirror": "^5.24.2",
     "devtools-config": "=0.0.12",
     "devtools-contextmenu": "=0.0.3",
@@ -25,6 +25,8 @@
     "reselect": "^3.0.1"
   },
   "scripts": {
-    "start": "node bin/dev-server"
-  }
+    "start": "node bin/dev-server",
+    "test": "jest"
+  },
+  "devDependencies": {}
 }

devtools/client/netmonitor/test/.eslintrc.js

@@ -6,5 +6,8 @@
 
 module.exports = {
   // Extend from the shared list of defined globals for mochitests.
-  "extends": "../../../.eslintrc.mochitests.js"
+  "extends": "../../../.eslintrc.mochitests.js",
+  "env": {
+    "jest": true
+  },
 };

devtools/client/netmonitor/test/reducers/sort.spec.js

@@ -0,0 +1,23 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { Sort, sortReducer} = require("../../src/reducers/sort");
+const { SORT_BY } = require("../../src/constants");
+
+describe("sorting reducer", () => {
+  it("it should sort by sort type", () => {
+    const initialState = new Sort();
+    const action = {
+      type: SORT_BY,
+      sortType: "TimeWhen",
+    };
+    const expectedState = {
+      type: "TimeWhen",
+      ascending: true,
+    };
+
+    expect(expectedState).toEqual(sortReducer(initialState, action));
+  });
+});

taskcluster/ci/source-test/node.yml

@@ -49,12 +49,16 @@ devtools-tests:
             yarn test &&
             cd /builds/worker/checkouts/gecko/devtools/client/webconsole/test &&
             yarn &&
+            yarn test &&
+            cd /builds/worker/checkouts/gecko/devtools/client/netmonitor/test &&
+            yarn &&
             yarn test
     when:
         files-changed:
             - 'devtools/client/aboutdebugging-new/src/components/**'
             - 'devtools/client/framework/components/**'
             - 'devtools/client/webconsole/**'
+            - 'devtools/client/netmonitor/**'
 
 eslint-plugin-mozilla:
     description: eslint-plugin-mozilla integration tests