test(defaultsSpec): add tests, issue: #34

Author: a8m

test/spec/filter/collection/defaults.js

@@ -1,3 +1,86 @@
-/**
- * Created by arielmashraki on 10/12/14.
- */
+'use strict';
+
+describe('defaultsFilter', function() {
+  var filter;
+
+  beforeEach(module('a8m.defaults'));
+  beforeEach(inject(function ($filter) {
+    filter = $filter('defaults');
+  }));
+
+  it('should return the collection as-is, if default object not provided', function() {
+    expect(filter([{}])).toEqual([{}]);
+    expect(filter([])).toEqual([]);
+  });
+
+  it('should change the source object', function() {
+    var array = [{ a: 1 }];
+    var defaults = { b: 2 };
+    var copy = angular.copy(array);
+
+    expect(filter(array, defaults)).toEqual([{ a:1, b: 2 }]);
+    expect(array).not.toEqual(copy);
+  });
+
+  //test the simple usage
+  describe('should use fallback value', function() {
+    var expectOrders = [
+      { id:1, destination: { zip: 21908 }, name: 'Ariel M.' },
+      { id:2, destination: { zip: 'Pickup' }, name: 'John F.' },
+      { id:3, destination: { zip: 45841 }, name: 'Not available'},
+      { id:4, destination: { zip: 78612 }, name: 'Danno L.' }
+    ];
+    var defaults = { name: 'Not available', destination: { zip: 'Pickup' } };
+
+    it('should work with array', function() {
+      var orders = [
+        { id:1, destination: { zip: 21908 }, name: 'Ariel M.' },
+        { id:2, name: 'John F.' },
+        { id:3, destination: { zip: 45841 } },
+        { id:4, destination: { zip: 78612 }, name: 'Danno L.' }
+      ];
+      var copyOrders = angular.copy(orders);
+
+      expect(filter(copyOrders, defaults)).toEqual(expectOrders);
+      expect(filter(copyOrders, defaults)).not.toEqual(orders);
+    });
+
+    it('should work with object', function() {
+      var orders = {
+        0: { id:1, destination: { zip: 21908 }, name: 'Ariel M.' },
+        1: { id:2, name: 'John F.' },
+        2: { id:3, destination: { zip: 45841 } },
+        3: { id:4, destination: { zip: 78612 }, name: 'Danno L.' }
+      };
+      var copyOrders = angular.copy(orders);
+
+      expect(filter(copyOrders, defaults)).toEqual(expectOrders);
+      expect(filter(copyOrders, defaults)).not.toEqual(orders);
+    });
+
+  });
+
+  it('should work fine with complex objects', function() {
+    var array = [
+      { a: 'string',
+        b: { c: 1 },
+        d: { e: { f: new Function() } },
+        g: [],
+        h: undefined,
+        i: { j: { k: { l: 'm' } } },
+        o: new RegExp }
+    ];
+    var copy = angular.copy(array);
+    var defaults = { z: 'z', z1: { z2: 'z2' } , h: 1 };
+    angular.extend(array[0], defaults);
+    expect(filter(copy, defaults)).toEqual(array);
+  });
+
+  it('should get !collection and return it as-is ', function() {
+    expect(filter('string')).toEqual('string');
+    expect(filter(1)).toEqual(1);
+    expect(filter(!1)).toBeFalsy();
+    expect(filter(null)).toBeNull();
+  });
+
+});