Add some tests, fix app keypad mode bug

test/composition-helper-test.js

@@ -19,14 +19,14 @@ describe('CompositionHelper', function () {
         top: 0
       },
       textContent: ''
-    }
+    };
     textarea = {
       value: '',
       style: {
         left: 0,
         top: 0
       }
-    }
+    };
     terminal = {
       element: {
         querySelector: function () {
@@ -36,7 +36,7 @@ describe('CompositionHelper', function () {
       handler: function (text) {
         handledText += text;
       }
-    }
+    };
     handledText = '';
     compositionHelper = new Terminal.CompositionHelper(textarea, compositionView, terminal);
   });

test/viewport-test.js

@@ -0,0 +1,79 @@
+var assert = require('chai').assert;
+var Terminal = require('../src/xterm');
+
+describe('Viewport', function () {
+  var terminal;
+  var viewportElement;
+  var charMeasureElement;
+  var viewport;
+
+  var CHARACTER_HEIGHT = 10;
+
+  beforeEach(function () {
+    terminal = {
+      lines: [],
+      rows: 0,
+      ydisp: 0,
+      on: function () {},
+      rowContainer: {
+        style: {
+          lineHeight: 0
+        }
+      }
+    };
+    viewportElement = {
+      addEventListener: function () {},
+      style: {
+        height: 0,
+        lineHeight: 0
+      }
+    };
+    scrollAreaElement = {
+      style: {
+        height: 0
+      }
+    };
+    charMeasureElement = {
+      getBoundingClientRect: function () {
+        return { width: null, height: CHARACTER_HEIGHT };
+      }
+    };
+    viewport = new Terminal.Viewport(terminal, viewportElement, scrollAreaElement, charMeasureElement);
+  });
+
+  describe('Public API', function () {
+    it('should define Viewport.prototype.onWheel', function () {
+      assert.isDefined(Terminal.Viewport.prototype.onWheel);
+    });
+    it('should define Viewport.prototype.setApplicationMode', function () {
+      assert.isDefined(Terminal.Viewport.prototype.setApplicationMode);
+    });
+  });
+
+  describe('setApplicationMode', function () {
+    it('should restrict the scroll area to the viewport', function () {
+      terminal.lines.push('');
+      terminal.lines.push('');
+      terminal.rows = 1;
+      viewport.syncScrollArea();
+      assert.equal(scrollAreaElement.style.height, 2 * CHARACTER_HEIGHT + 'px');
+      viewport.setApplicationMode(true);
+      assert.equal(scrollAreaElement.style.height, CHARACTER_HEIGHT + 'px');
+      viewport.setApplicationMode(false);
+      assert.equal(scrollAreaElement.style.height, 2 * CHARACTER_HEIGHT + 'px');
+    });
+  });
+
+  describe('refresh', function () {
+    it('should set the line-height of the terminal', function () {
+      assert.equal(viewportElement.style.lineHeight, CHARACTER_HEIGHT + 'px');
+      assert.equal(terminal.rowContainer.style.lineHeight, CHARACTER_HEIGHT + 'px');
+      charMeasureElement.getBoundingClientRect = function () {
+        return { width: null, height: 1 };
+      };
+      viewport.refresh();
+      assert.equal(viewportElement.style.lineHeight, '1px');
+      assert.equal(terminal.rowContainer.style.lineHeight, '1px');
+    });
+  });
+});