From 606f3000f359329bb6c09d407d6b8394ae1b3baa Mon Sep 17 00:00:00 2001
From: nelsonic <contact.nelsonic+github@gmail.com>
Date: Thu, 1 Nov 2018 08:47:43 +0000
Subject: [PATCH] update tests to new directory structure. still passing. #5

---
 package.json                   |  2 -
 test/counter-reset-keyboard.js | 54 ++++++++++++++++++++
 test/counter.js                | 92 ++++++++++++++++++++++++++++++++++
 test/elmish.test.js            | 12 ++---
 test/todo-app.test.js          |  7 ++-
 5 files changed, 154 insertions(+), 13 deletions(-)
 create mode 100644 test/counter-reset-keyboard.js
 create mode 100644 test/counter.js

diff --git a/package.json b/package.json
index 8e7ead1..9a0665c 100644
--- a/package.json
+++ b/package.json
@@ -16,8 +16,6 @@
     "jsdom-global": "^3.0.2",
     "live-server": "^1.2.0",
     "pre-commit": "^1.2.2",
-    "qunit-tap": "^1.5.1",
-    "qunitjs": "^2.3.2",
     "tap-spec": "^5.0.0",
     "tape": "^4.9.1"
   },
diff --git a/test/counter-reset-keyboard.js b/test/counter-reset-keyboard.js
new file mode 100644
index 0000000..88fdc2f
--- /dev/null
+++ b/test/counter-reset-keyboard.js
@@ -0,0 +1,54 @@
+// this file is borrowed from:
+// https://github.com/dwyl/learn-elm-architecture-in-javascript/blob/master/examples/counter-reset-keyboard/counter.js
+// it is included here purely for testing the "elmish" functions.
+
+/* if require is available, it means we are in Node.js Land i.e. testing!
+ in the broweser, the "elmish" DOM functions are loaded in a <script> tag */
+/* istanbul ignore next */
+if (typeof require !== 'undefined' && this.window !== this) {
+  var { button, div, empty, mount, text } = require('../lib/elmish.js');
+}
+
+function update (action, model) {    // Update function takes the current state
+  switch(action) {                   // and an action (String) runs a switch
+    case 'inc': return model + 1;    // add 1 to the model
+    case 'dec': return model - 1;    // subtract 1 from model
+    case 'reset': return 0;          // reset state to 0 (Zero) git.io/v9KJk
+    default: return model;           // if no action, return curent state.
+  }                                  // (default action always returns current)
+}
+
+function view (model, signal) {
+  return div([], [
+    button(["class=inc", "id=inc", signal('inc')], [text('+')]), // increment
+    div(["class=count", "id=count"], [text(model.toString())]), // count
+    button(["class=dec", "id=dec", signal('dec')], [text('-')]), // decrement
+    button(["class=reset", "id=reset", signal('reset')], [text('Reset')])
+  ]);
+}
+
+function subscriptions (signal) {
+  var UP_KEY = 38; // increment the counter when [↑] (up) key is pressed
+  var DOWN_KEY = 40; // decrement the counter when [↓] (down) key is pressed
+
+  document.addEventListener('keyup', function handler (e) {
+    switch (e.keyCode) {
+      case UP_KEY:
+        signal('inc')(); // invoke the signal > callback function directly
+        break;
+      case DOWN_KEY:
+        signal('dec')();
+        break;
+    }
+  });
+}
+
+/* The code block below ONLY Applies to tests run using Node.js */
+/* istanbul ignore else */
+if (typeof module !== 'undefined' && module.exports) {
+  module.exports = {
+    subscriptions: subscriptions,
+    view: view,
+    update: update,
+  }
+}
diff --git a/test/counter.js b/test/counter.js
new file mode 100644
index 0000000..2645035
--- /dev/null
+++ b/test/counter.js
@@ -0,0 +1,92 @@
+// this file is borrowed from:
+// https://github.com/dwyl/learn-elm-architecture-in-javascript/blob/master/examples/counter-reset/counter.js
+// it is included here purely for testing the "elmish" functions.
+
+// Define the Component's Actions:
+var Inc = 'inc';                     // increment the counter
+var Dec = 'dec';                     // decrement the counter
+var Res = 'reset';                   // reset counter: git.io/v9KJk
+
+function update (action, model) {     // Update function takes the current state
+  switch(action) {                   // and an action (String) runs a switch
+    case Inc: return model + 1;      // add 1 to the model
+    case Dec: return model - 1;      // subtract 1 from model
+    case Res: return 0;              // reset state to 0 (Zero) git.io/v9KJk
+    default: return model;           // if no action, return curent state.
+  }                                  // (default action always returns current)
+}
+
+function view(model, signal) {
+  return container([                           // Store DOM nodes in an array
+    button('+', signal, Inc),                  // then iterate to append them
+    div('count', model),                       // create div with stat as text
+    button('-', signal, Dec),                  // decrement counter
+    button('Reset', signal, Res)               // reset counter
+  ]); // forEach is ES5 so IE9+
+} // yes, for loop is "faster" than forEach, but readability trumps "perf" here!
+
+// Mount Function receives all MUV and mounts the app in the "root" DOM Element
+function mount(model, update, view, root_element_id) {
+  var root = document.getElementById(root_element_id); // root DOM element
+  function signal(action) {          // signal function takes action
+    return function callback() {     // and returns callback
+      model = update(action, model); // update model according to action
+      empty(root);
+      root.appendChild(view(model, signal)); // subsequent re-rendering
+    };
+  };
+  root.appendChild(view(model, signal));    // render initial model (once)
+}
+
+// The following are "Helper" Functions which each "Do ONLY One Thing" and are
+// used in the "View" function to render the Model (State) to the Browser DOM:
+
+// empty the contents of a given DOM element "node" (before re-rendering)
+function empty(node) {
+  while (node.firstChild) {
+    node.removeChild(node.firstChild);
+  }
+} // Inspired by: stackoverflow.com/a/3955238/1148249
+
+function button(text, signal, action) {
+  var button = document.createElement('button');
+  var text = document.createTextNode(text);    // human-readable button text
+  button.appendChild(text);                    // text goes *inside* not attrib
+  button.className = action;                   // use action as CSS class
+  button.id = action;
+  // console.log(signal, ' action:', action)
+  button.onclick = signal(action);             // onclick tells how to process
+  return button;                               // return the DOM node(s)
+} // how to create a button in JavaScript: stackoverflow.com/a/8650996/1148249
+
+function div(divid, text) {
+  var div = document.createElement('div');
+  div.id = divid;
+  div.className = divid;
+  if(text !== undefined) { // if text is passed in render it in a "Text Node"
+    var txt = document.createTextNode(text);
+    div.appendChild(txt);
+  }
+  return div;
+}
+
+// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/section
+function container(elements) {
+  var con = document.createElement('section');
+  con.className = 'counter';
+  elements.forEach(function(el) { con.appendChild(el) });
+  return con;
+}
+
+/* The code block below ONLY Applies to tests run using Node.js */
+/* istanbul ignore else */
+if (typeof module !== 'undefined' && module.exports) {
+  module.exports = {
+    view: view,
+    mount: mount,
+    update: update,
+    div: div,
+    button: button,
+    empty: empty,
+  }
+}
diff --git a/test/elmish.test.js b/test/elmish.test.js
index 28cba61..c338384 100644
--- a/test/elmish.test.js
+++ b/test/elmish.test.js
@@ -1,9 +1,8 @@
 const test = require('tape');       // https://github.com/dwyl/learn-tape
 const fs = require('fs');           // read html files (see below)
 const path = require('path');       // so we can open files cross-platform
-const elmish = require('../examples/todo-list/elmish.js');
-const html = fs.readFileSync(path.resolve(__dirname,
-  '../examples/todo-list/index.html'));
+const elmish = require('../lib/elmish.js');
+const html = fs.readFileSync(path.resolve(__dirname, '../index.html'));
 require('jsdom-global')(html);      // https://github.com/rstacruz/jsdom-global
 const id = 'test-app';              // all tests use separate root element
 
@@ -31,7 +30,7 @@ test('elmish.empty("root") removes DOM elements from container', function (t) {
 test('elmish.mount app expect state to be Zero', function (t) {
   // use view and update from counter-reset example
   // to confirm that our elmish.mount function is generic!
-  const { view, update } = require('../examples/counter-reset/counter.js');
+  const { view, update } = require('./counter.js');
 
   const root = document.getElementById(id);
   elmish.mount(7, update, view, id);
@@ -387,7 +386,7 @@ localStorage.removeItem('todos-elmish_' + id);
 // // Test mount's localStorage using view and update from counter-reset example
 // // to confirm that our elmish.mount localStorage works and is "generic".
 test('elmish.mount sets model in localStorage', function (t) {
-  const { view, update } = require('../examples/counter-reset/counter.js');
+  const { view, update } = require('./counter.js');
   const root = document.getElementById(id);
 
   elmish.mount(7, update, view, id);
@@ -453,8 +452,7 @@ test('elmish.add_attributes onclick=signal(action) events!', function (t) {
 
 
 test('subscriptions test using counter-reset-keyaboard ⌨️', function (t) {
-  const { view, update, subscriptions } =
-    require('../examples/counter-reset-keyboard/counter.js');
+  const { view, update, subscriptions } = require('./counter-reset-keyboard.js')
   const root = document.getElementById(id);
 
   // mount the counter-reset-keyboard example app WITH subscriptions:
diff --git a/test/todo-app.test.js b/test/todo-app.test.js
index 0e9b51a..ba4a26e 100644
--- a/test/todo-app.test.js
+++ b/test/todo-app.test.js
@@ -1,12 +1,11 @@
 const test = require('tape');       // https://github.com/dwyl/learn-tape
 const fs = require('fs');           // to read html files (see below)
 const path = require('path');       // so we can open files cross-platform
-const html = fs.readFileSync(path.resolve(__dirname,
-  '../examples/todo-list/index.html')); // sample HTML file to initialise JSDOM.
+const html = fs.readFileSync(path.resolve(__dirname, '../index.html'));
 require('jsdom-global')(html);      // https://github.com/rstacruz/jsdom-global
-const app = require('../examples/todo-list/todo-app.js'); // functions to test
+const app = require('../lib/todo-app.js'); // functions to test
 const id = 'test-app';              // all tests use 'test-app' as root element
-const elmish = require('../examples/todo-list/elmish.js'); // import "empty" etc
+const elmish = require('../lib/elmish.js'); // import "elmish" core functions
 
 test('`model` (Object) has desired keys', function (t) {
   const keys = Object.keys(app.model);