[Core] Complete specs for type service components

Complete specs for type service components, and supporting
classes. WTD-573.

platform/core/src/types/TypeProperty.js

@@ -46,9 +46,10 @@ define(
                     return propertyPath.length > 1 ?
                             lookupValue(value, propertyPath.slice(1)) :
                             value;
-                } else {
-                    return undefined;
                 }
+
+                // Fallback; property path was empty
+                return undefined;
             }
 
             function specifyValue(object, propertyPath, value) {
@@ -79,13 +80,9 @@ define(
                     var property = propertyDefinition.property ||
                         propertyDefinition.key;
 
-                    if (property) {
-                        return conversion.toFormValue(
-                            lookupValue(model, property)
-                        );
-                    } else {
-                        return undefined;
-                    }
+                    return property ? conversion.toFormValue(
+                        lookupValue(model, property)
+                    ) : undefined;
                 },
                 /**
                  * Set a value associated with this property in
@@ -97,11 +94,9 @@ define(
 
                     value = conversion.toModelValue(value);
 
-                    if (property) {
-                        return specifyValue(model, property, value);
-                    } else {
-                        return undefined;
-                    }
+                    return property ?
+                            specifyValue(model, property, value) :
+                            undefined;
                 },
                 /**
                  * Get the raw definition for this property.

platform/core/test/types/MergeModelsSpec.js

@@ -5,11 +5,40 @@
  */
 define(
     ["../../src/types/MergeModels"],
-    function (MergeModels) {
+    function (mergeModels) {
         "use strict";
 
-        describe("", function () {
-
+        describe("Model merger", function () {
+            it("merges models", function () {
+                expect(mergeModels(
+                    {
+                        "a": "property a",
+                        "b": [ 1, 2, 3 ],
+                        "c": {
+                            x: 42,
+                            z: [ 0 ]
+                        },
+                        "d": "should be ignored"
+                    },
+                    {
+                        "b": [ 4 ],
+                        "c": {
+                            y: "property y",
+                            z: [ "h" ]
+                        },
+                        "d": "property d"
+                    }
+                )).toEqual({
+                    "a": "property a",
+                    "b": [ 1, 2, 3, 4 ],
+                    "c": {
+                        x: 42,
+                        y: "property y",
+                        z: [ 0, "h" ]
+                    },
+                    "d": "property d"
+                });
+            });
         });
     }
 );

platform/core/test/types/TypeCapabilitySpec.js

@@ -9,6 +9,32 @@ define(
         "use strict";
 
         describe("The type capability", function () {
+            var mockTypeService,
+                mockDomainObject,
+                mockType,
+                type;
+
+            beforeEach(function () {
+                mockTypeService = jasmine.createSpyObj(
+                    "typeService",
+                    [ "getType" ]
+                );
+                mockDomainObject = jasmine.createSpyObj(
+                    "domainObject",
+                    [ "getId", "getModel", "getCapability" ]
+                );
+                mockType = { someKey: "some value" };
+
+                mockTypeService.getType.andReturn(mockType);
+                mockDomainObject.getModel.andReturn({type: "mockType"});
+
+                type = new TypeCapability(mockTypeService, mockDomainObject);
+            });
+
+            it("looks up an object's type from type service", function () {
+                expect(type).toEqual(mockType);
+                expect(mockTypeService.getType).toHaveBeenCalledWith("mockType");
+            });
 
         });
     }

platform/core/test/types/TypeImplSpec.js

@@ -15,7 +15,10 @@ define(
                     name: 'Test Type',
                     description: 'A type, for testing',
                     glyph: 't',
-                    inherits: ['test-parent-1', 'test-parent-2']
+                    inherits: ['test-parent-1', 'test-parent-2'],
+                    features: ['test-feature-1'],
+                    properties: [ {} ],
+                    model: {someKey: "some value"}
                 };
                 type = typeImpl(testTypeDef);
             });
@@ -67,6 +70,19 @@ define(
                 expect(type.instanceOf()).toBeTruthy();
                 expect(type.instanceOf({ getKey: function () {} })).toBeTruthy();
             });
+
+            it("allows features to be exposed", function () {
+                expect(type.hasFeature('test-feature-1')).toBeTruthy();
+                expect(type.hasFeature('test-feature-2')).toBeFalsy();
+            });
+
+            it("provides an initial model, if defined", function () {
+                expect(type.getInitialModel().someKey).toEqual("some value");
+            });
+
+            it("provides type properties", function () {
+                expect(type.getProperties().length).toEqual(1);
+            });
         });
     }
 );

platform/core/test/types/TypePropertySpec.js

@@ -56,6 +56,26 @@ define(
                 expect(property.getValue(model)).toEqual("some value");
             });
 
+            it("stops looking for properties when a path is invalid", function () {
+                var definition = {
+                        key: "someKey",
+                        property: [ "some", "property" ]
+                    },
+                    property = new TypeProperty(definition);
+                expect(property.getValue(undefined)).toBeUndefined();
+            });
+
+            it("gives undefined for empty paths", function () {
+                var definition = {
+                        key: "someKey",
+                        property: []
+                    },
+                    model = { some: { property: "some value" } },
+                    property = new TypeProperty(definition);
+                expect(property.getValue(model)).toBeUndefined();
+            });
+
+
         });
     }
 );