Fix tests (#96)

Closes #63

- Switch from testling to jsdom for browser APIs
- Switch from coverify to nyc for coverage reports
- Clean up related dead code and tooling
- Update Travis to use Node v6 and v8, since we need ES6 features for jsdom.

.gitignore

@@ -2,3 +2,4 @@
 node_modules/
 tests/scripts/index.html
 pjax.js
+.nyc_output/

.travis.yml

@@ -1,7 +1,4 @@
 language: "node_js"
-before_script:
-  # testling use headless browser
-  # on travis-ci, firefox is the default one
-  # & it needs a display to works
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
+node_js:
+  - "6"
+  - "8"

package.json

@@ -22,44 +22,29 @@
   ],
   "devDependencies": {
     "browserify": "^3.46.0",
-    "coverify": "^1.0.6",
     "jscs": "^1.6.2",
+    "jsdom": "^11.5.1",
+    "jsdom-global": "^3.0.2",
     "jshint": "^2.5.6",
     "npmpub": "^3.1.0",
+    "nyc": "^11.4.1",
     "opn-cli": "^3.1.0",
     "serve": "1.4.0",
-    "tape": "^3.0.0",
-    "testling": "^1.6.1"
+    "tap-nyc": "^1.0.3",
+    "tap-spec": "^4.1.1",
+    "tape": "^3.0.0"
   },
   "scripts": {
     "lint": "jscs **/*.js && jshint . --exclude-path .gitignore",
     "standalone": "browserify index.js --standalone Pjax > pjax.js",
     "build-debug": "browserify index.js --debug --standalone Pjax > pjax.js",
-    "tests": "testling",
-    "test": "npm run lint && npm run standalone && npm run tests",
-    "test--html": "testling --html > tests/scripts/index.html",
-    "coverage": "browserify -t coverify tests/**/*.js | testling | coverify",
+    "tests": "tape -r ./tests/index.js ./tests/**/*.js",
+    "test": "npm run lint && npm run tests | tap-spec",
+    "coverage-tests": "npm run tests | tap-nyc",
+    "coverage": "nyc -x \"tests/**\" npm run coverage-tests",
     "example": "opn http://localhost:3000/example/; serve .",
     "prepublish": "npm run standalone",
     "#release": "testling does not work in a process launch by npm... :facepalm:",
     "release": "echo \"npmpub --skip-test --dry && npm test && npmpub --skip-test --skip-cleanup\""
-  },
-  "testling": {
-    "files": "tests/**/*.js",
-    "browsers": [
-      "ie/10..latest",
-      "firefox/4.0",
-      "firefox/latest",
-      "firefox/nightly",
-      "chrome/10",
-      "chrome/latest",
-      "chrome/canary",
-      "opera/12..latest",
-      "opera/next",
-      "safari/5.1..latest",
-      "ipad/6.0..latest",
-      "iphone/6.0..latest",
-      "android-browser/4.2..latest"
-    ]
   }
 }

tests/index.js

@@ -0,0 +1,6 @@
+var jsdomOptions = {
+  url: "https://example.org/",
+  runScripts: "dangerously"
+}
+
+require("jsdom-global")("", jsdomOptions)

tests/lib/events.js

@@ -102,7 +102,8 @@ tape("test events on top level elements", function(t) {
   el = window;
 
   el.className = ""
-  on(el, "click", classCb)
+  // With jsdom, the default this is global, not window, so we need to explicitly bind to window.
+  on(el, "click", classCb.bind(window))
   trigger(el, "click")
   t.equal(el.className, "on", "attached callback has been fired properly on window")
 

tests/lib/request.js

@@ -15,14 +15,16 @@ if (!('responseURL' in XMLHttpRequest.prototype)) {
 }
 
 tape("test xhr request", function(t) {
+  var url = "https://httpbin.org/get"
+
   t.test("- request is made, gets a result, and is cache-busted", function(t) {
     var requestCacheBust = request.bind({
       options: {
         cacheBust: true,
       },
     });
-    var r = requestCacheBust("https://api.github.com/", {}, function(result) {
-      t.equal(r.responseURL.indexOf("?"), 23, "XHR URL is cache-busted when configured to be")
+    var r = requestCacheBust(url, {}, function(result) {
+      t.equal(r.responseURL.indexOf("?"), url.length, "XHR URL is cache-busted when configured to be")
       try {
         result = JSON.parse(result)
       }
@@ -39,8 +41,8 @@ tape("test xhr request", function(t) {
         cacheBust: false,
       },
     });
-    var r = requestNoCacheBust("https://api.github.com/", {}, function() {
-      t.equal(r.responseURL, "https://api.github.com/", "XHR URL is left untouched")
+    var r = requestNoCacheBust(url, {}, function() {
+      t.equal(r.responseURL, url, "XHR URL is left untouched")
       t.end()
     })
   })