first commit

node_modules/amator/test/index.js

@@ -0,0 +1,61 @@
+var test = require('tap').test;
+var animate = require('../');
+
+test('it can animate objects', function(t) {
+  var source = {
+    x: 0
+  };
+  var target = {
+    x: 42
+  }
+
+  animate(source, target, {
+    duration: 100,
+    done: function() {
+      t.equals(source.x, 42, 'it animated source to target');
+      t.end();
+    }
+  })
+});
+
+test('it can animate objects even when duration is 0', function(t) {
+  var source = {
+    x: 0
+  };
+  var target = {
+    x: 42
+  }
+
+  animate(source, target, {
+    duration: 0,
+    done: function() {
+      t.equals(source.x, 42, 'it animated source to target');
+      t.end();
+    }
+  })
+});
+
+test('it notifies about each animation step', function(t) {
+  var source = {
+    x: 0
+  };
+  var target = {
+    x: 42
+  };
+
+  var invokedCount = 0;
+
+  animate(source, target, {
+    duration: 10,
+    step: function(currentValue) {
+      t.ok(currentValue === source, 'source value is passed as an argument')
+      invokedCount += 1;
+    },
+
+    done: function() {
+      t.equals(source.x, 42, 'it animated source to target');
+      t.ok(invokedCount > 0, 'It invoked step() at least once');
+      t.end();
+    }
+  })
+});