1 files changed, 289 insertions, 0 deletions
diff --git a/test/ng/directive/ngRepeatSpec.js b/test/ng/directive/ngRepeatSpec.js
new file mode 100644
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--- /dev/null
+++ b/test/ng/directive/ngRepeatSpec.js
@@ -0,0 +1,289 @@
+'use strict';
+
+describe('ng-repeat', function() {
+  var element;
+
+
+  afterEach(function(){
+    dealoc(element);
+  });
+
+
+  it('should ng-repeat over array', inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="item in items" ng-init="suffix = \';\'" ng-bind="item + suffix"></li>' +
+      '</ul>')($rootScope);
+
+    Array.prototype.extraProperty = "should be ignored";
+    // INIT
+    $rootScope.items = ['misko', 'shyam'];
+    $rootScope.$digest();
+    expect(element.find('li').length).toEqual(2);
+    expect(element.text()).toEqual('misko;shyam;');
+    delete Array.prototype.extraProperty;
+
+    // GROW
+    $rootScope.items = ['adam', 'kai', 'brad'];
+    $rootScope.$digest();
+    expect(element.find('li').length).toEqual(3);
+    expect(element.text()).toEqual('adam;kai;brad;');
+
+    // SHRINK
+    $rootScope.items = ['brad'];
+    $rootScope.$digest();
+    expect(element.find('li').length).toEqual(1);
+    expect(element.text()).toEqual('brad;');
+  }));
+
+
+  it('should ng-repeat over object', inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="(key, value) in items" ng-bind="key + \':\' + value + \';\' "></li>' +
+      '</ul>')($rootScope);
+    $rootScope.items = {misko:'swe', shyam:'set'};
+    $rootScope.$digest();
+    expect(element.text()).toEqual('misko:swe;shyam:set;');
+  }));
+
+
+  it('should not ng-repeat over parent properties', inject(function($rootScope, $compile) {
+    var Class = function() {};
+    Class.prototype.abc = function() {};
+    Class.prototype.value = 'abc';
+
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="(key, value) in items" ng-bind="key + \':\' + value + \';\' "></li>' +
+      '</ul>')($rootScope);
+    $rootScope.items = new Class();
+    $rootScope.items.name = 'value';
+    $rootScope.$digest();
+    expect(element.text()).toEqual('name:value;');
+  }));
+
+
+  it('should error on wrong parsing of ng-repeat', inject(function($rootScope, $compile) {
+    expect(function() {
+      element = $compile('<ul><li ng-repeat="i dont parse"></li></ul>')($rootScope);
+    }).toThrow("Expected ng-repeat in form of '_item_ in _collection_' but got 'i dont parse'.");
+  }));
+
+
+  it("should throw error when left-hand-side of ng-repeat can't be parsed", inject(
+      function($rootScope, $compile) {
+    expect(function() {
+      element = $compile('<ul><li ng-repeat="i dont parse in foo"></li></ul>')($rootScope);
+    }).toThrow("'item' in 'item in collection' should be identifier or (key, value) but got " +
+               "'i dont parse'.");
+  }));
+
+
+  it('should expose iterator offset as $index when iterating over arrays',
+      inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="item in items" ng-bind="item + $index + \'|\'"></li>' +
+      '</ul>')($rootScope);
+    $rootScope.items = ['misko', 'shyam', 'frodo'];
+    $rootScope.$digest();
+    expect(element.text()).toEqual('misko0|shyam1|frodo2|');
+  }));
+
+
+  it('should expose iterator offset as $index when iterating over objects',
+      inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="(key, val) in items" ng-bind="key + \':\' + val + $index + \'|\'"></li>' +
+      '</ul>')($rootScope);
+    $rootScope.items = {'misko':'m', 'shyam':'s', 'frodo':'f'};
+    $rootScope.$digest();
+    expect(element.text()).toEqual('frodo:f0|misko:m1|shyam:s2|');
+  }));
+
+
+  it('should expose iterator position as $position when iterating over arrays',
+      inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="item in items" ng-bind="item + \':\' + $position + \'|\'"></li>' +
+      '</ul>')($rootScope);
+    $rootScope.items = ['misko', 'shyam', 'doug'];
+    $rootScope.$digest();
+    expect(element.text()).toEqual('misko:first|shyam:middle|doug:last|');
+
+    $rootScope.items.push('frodo');
+    $rootScope.$digest();
+    expect(element.text()).toEqual('misko:first|shyam:middle|doug:middle|frodo:last|');
+
+    $rootScope.items.pop();
+    $rootScope.items.pop();
+    $rootScope.$digest();
+    expect(element.text()).toEqual('misko:first|shyam:last|');
+  }));
+
+
+  it('should expose iterator position as $position when iterating over objects',
+      inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="(key, val) in items" ng-bind="key + \':\' + val + \':\' + $position + \'|\'">' +
+        '</li>' +
+      '</ul>')($rootScope);
+    $rootScope.items = {'misko':'m', 'shyam':'s', 'doug':'d', 'frodo':'f'};
+    $rootScope.$digest();
+    expect(element.text()).toEqual('doug:d:first|frodo:f:middle|misko:m:middle|shyam:s:last|');
+
+    delete $rootScope.items.doug;
+    delete $rootScope.items.frodo;
+    $rootScope.$digest();
+    expect(element.text()).toEqual('misko:m:first|shyam:s:last|');
+  }));
+
+
+  it('should ignore $ and $$ properties', inject(function($rootScope, $compile) {
+    element = $compile('<ul><li ng-repeat="i in items">{{i}}|</li></ul>')($rootScope);
+    $rootScope.items = ['a', 'b', 'c'];
+    $rootScope.items.$$hashkey = 'xxx';
+    $rootScope.items.$root = 'yyy';
+    $rootScope.$digest();
+
+    expect(element.text()).toEqual('a|b|c|');
+  }));
+
+
+  it('should repeat over nested arrays', inject(function($rootScope, $compile) {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="subgroup in groups">' +
+          '<div ng-repeat="group in subgroup">{{group}}|</div>X' +
+        '</li>' +
+      '</ul>')($rootScope);
+    $rootScope.groups = [['a', 'b'], ['c','d']];
+    $rootScope.$digest();
+
+    expect(element.text()).toEqual('a|b|Xc|d|X');
+  }));
+
+
+  it('should ignore non-array element properties when iterating over an array',
+      inject(function($rootScope, $compile) {
+    element = $compile('<ul><li ng-repeat="item in array">{{item}}|</li></ul>')($rootScope);
+    $rootScope.array = ['a', 'b', 'c'];
+    $rootScope.array.foo = '23';
+    $rootScope.array.bar = function() {};
+    $rootScope.$digest();
+
+    expect(element.text()).toBe('a|b|c|');
+  }));
+
+
+  it('should iterate over non-existent elements of a sparse array',
+      inject(function($rootScope, $compile) {
+    element = $compile('<ul><li ng-repeat="item in array">{{item}}|</li></ul>')($rootScope);
+    $rootScope.array = ['a', 'b'];
+    $rootScope.array[4] = 'c';
+    $rootScope.array[6] = 'd';
+    $rootScope.$digest();
+
+    expect(element.text()).toBe('a|b|||c||d|');
+  }));
+
+
+  it('should iterate over all kinds of types', inject(function($rootScope, $compile) {
+    element = $compile('<ul><li ng-repeat="item in array">{{item}}|</li></ul>')($rootScope);
+    $rootScope.array = ['a', 1, null, undefined, {}];
+    $rootScope.$digest();
+
+    expect(element.text()).toMatch(/a\|1\|\|\|\{\s*\}\|/);
+  }));
+
+
+  describe('stability', function() {
+    var a, b, c, d, lis;
+
+    beforeEach(inject(function($rootScope, $compile) {
+      element = $compile(
+        '<ul>' +
+          '<li ng-repeat="item in items" ng-bind="key + \':\' + val + \':\' + $position + \'|\'"></li>' +
+        '</ul>')($rootScope);
+      a = {};
+      b = {};
+      c = {};
+      d = {};
+
+      $rootScope.items = [a, b, c];
+      $rootScope.$digest();
+      lis = element.find('li');
+    }));
+
+
+    it('should preserve the order of elements', inject(function($rootScope) {
+      $rootScope.items = [a, c, d];
+      $rootScope.$digest();
+      var newElements = element.find('li');
+      expect(newElements[0]).toEqual(lis[0]);
+      expect(newElements[1]).toEqual(lis[2]);
+      expect(newElements[2]).not.toEqual(lis[1]);
+    }));
+
+
+    it('should support duplicates', inject(function($rootScope) {
+      $rootScope.items = [a, a, b, c];
+      $rootScope.$digest();
+      var newElements = element.find('li');
+      expect(newElements[0]).toEqual(lis[0]);
+      expect(newElements[1]).not.toEqual(lis[0]);
+      expect(newElements[2]).toEqual(lis[1]);
+      expect(newElements[3]).toEqual(lis[2]);
+
+      lis = newElements;
+      $rootScope.$digest();
+      newElements = element.find('li');
+      expect(newElements[0]).toEqual(lis[0]);
+      expect(newElements[1]).toEqual(lis[1]);
+      expect(newElements[2]).toEqual(lis[2]);
+      expect(newElements[3]).toEqual(lis[3]);
+
+      $rootScope.$digest();
+      newElements = element.find('li');
+      expect(newElements[0]).toEqual(lis[0]);
+      expect(newElements[1]).toEqual(lis[1]);
+      expect(newElements[2]).toEqual(lis[2]);
+      expect(newElements[3]).toEqual(lis[3]);
+    }));
+
+
+    it('should remove last item when one duplicate instance is removed',
+        inject(function($rootScope) {
+      $rootScope.items = [a, a, a];
+      $rootScope.$digest();
+      lis = element.find('li');
+
+      $rootScope.items = [a, a];
+      $rootScope.$digest();
+      var newElements = element.find('li');
+      expect(newElements.length).toEqual(2);
+      expect(newElements[0]).toEqual(lis[0]);
+      expect(newElements[1]).toEqual(lis[1]);
+    }));
+
+
+    it('should reverse items when the collection is reversed',
+        inject(function($rootScope) {
+      $rootScope.items = [a, b, c];
+      $rootScope.$digest();
+      lis = element.find('li');
+
+      $rootScope.items = [c, b, a];
+      $rootScope.$digest();
+      var newElements = element.find('li');
+      expect(newElements.length).toEqual(3);
+      expect(newElements[0]).toEqual(lis[2]);
+      expect(newElements[1]).toEqual(lis[1]);
+      expect(newElements[2]).toEqual(lis[0]);
+    }));
+  });
+});