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| 1 | +import { Component, ViewChild } from '@angular/core'; |
| 2 | +import { async, TestBed, fakeAsync, tick } from '@angular/core/testing'; |
| 3 | +import { IgxRadioModule, IgxRadioGroupDirective } from './radio-group.directive'; |
| 4 | +import { FormsModule, ReactiveFormsModule, FormGroup, FormBuilder } from '@angular/forms'; |
| 5 | + |
| 6 | +describe('IgxRadioGroupDirective', () => { |
| 7 | + beforeEach(async(() => { |
| 8 | + TestBed.configureTestingModule({ |
| 9 | + declarations: [ |
| 10 | + RadioGroupComponent, |
| 11 | + RadioGroupWithModelComponent, |
| 12 | + RadioGroupReactiveFormsComponent |
| 13 | + ], |
| 14 | + imports: [ |
| 15 | + IgxRadioModule, |
| 16 | + FormsModule, |
| 17 | + ReactiveFormsModule |
| 18 | + ] |
| 19 | + }) |
| 20 | + .compileComponents(); |
| 21 | + })); |
| 22 | + |
| 23 | + it('Properly initialize the radio group buttons\' properties.', fakeAsync(() => { |
| 24 | + const fixture = TestBed.createComponent(RadioGroupComponent); |
| 25 | + const radioInstance = fixture.componentInstance.radioGroup; |
| 26 | + |
| 27 | + fixture.detectChanges(); |
| 28 | + tick(); |
| 29 | + |
| 30 | + expect(radioInstance.radioButtons).toBeDefined(); |
| 31 | + expect(radioInstance.radioButtons.length).toEqual(3); |
| 32 | + |
| 33 | + const allRequiredButtons = radioInstance.radioButtons.filter((btn) => btn.required); |
| 34 | + expect(allRequiredButtons.length).toEqual(radioInstance.radioButtons.length); |
| 35 | + |
| 36 | + const allButtonsWithGroupName = radioInstance.radioButtons.filter((btn) => btn.name === radioInstance.name); |
| 37 | + expect(allButtonsWithGroupName.length).toEqual(radioInstance.radioButtons.length); |
| 38 | + |
| 39 | + const allButtonsWithGroupLabelPos = radioInstance.radioButtons.filter((btn) => btn.labelPosition === radioInstance.labelPosition); |
| 40 | + expect(allButtonsWithGroupLabelPos.length).toEqual(radioInstance.radioButtons.length); |
| 41 | + |
| 42 | + const buttonWithGroupValue = radioInstance.radioButtons.find((btn) => btn.value === radioInstance.value); |
| 43 | + expect(buttonWithGroupValue).toBeDefined(); |
| 44 | + expect(buttonWithGroupValue).toEqual(radioInstance.selected); |
| 45 | + })); |
| 46 | + |
| 47 | + it('Setting radioGroup\'s properties should affect all radio buttons.', fakeAsync(() => { |
| 48 | + const fixture = TestBed.createComponent(RadioGroupComponent); |
| 49 | + const radioInstance = fixture.componentInstance.radioGroup; |
| 50 | + |
| 51 | + fixture.detectChanges(); |
| 52 | + tick(); |
| 53 | + |
| 54 | + expect(radioInstance.radioButtons).toBeDefined(); |
| 55 | + |
| 56 | + // name |
| 57 | + radioInstance.name = 'newGroupName'; |
| 58 | + fixture.detectChanges(); |
| 59 | + |
| 60 | + const allButtonsWithNewName = radioInstance.radioButtons.filter((btn) => btn.name === 'newGroupName'); |
| 61 | + expect(allButtonsWithNewName.length).toEqual(radioInstance.radioButtons.length); |
| 62 | + |
| 63 | + // required |
| 64 | + radioInstance.required = true; |
| 65 | + fixture.detectChanges(); |
| 66 | + |
| 67 | + const allRequiredButtons = radioInstance.radioButtons.filter((btn) => btn.required); |
| 68 | + expect(allRequiredButtons.length).toEqual(radioInstance.radioButtons.length); |
| 69 | + |
| 70 | + // labelPosition |
| 71 | + radioInstance.labelPosition = 'after'; |
| 72 | + fixture.detectChanges(); |
| 73 | + |
| 74 | + const allAfterButtons = radioInstance.radioButtons.filter((btn) => btn.labelPosition === 'after'); |
| 75 | + expect(allAfterButtons.length).toEqual(radioInstance.radioButtons.length); |
| 76 | + |
| 77 | + // disabled |
| 78 | + radioInstance.disabled = true; |
| 79 | + fixture.detectChanges(); |
| 80 | + |
| 81 | + const allDisabledButtons = radioInstance.radioButtons.filter((btn) => btn.disabled); |
| 82 | + expect(allDisabledButtons.length).toEqual(radioInstance.radioButtons.length); |
| 83 | + })); |
| 84 | + |
| 85 | + it('Set value should change selected property and emit change event.', fakeAsync(() => { |
| 86 | + const fixture = TestBed.createComponent(RadioGroupComponent); |
| 87 | + const radioInstance = fixture.componentInstance.radioGroup; |
| 88 | + |
| 89 | + fixture.detectChanges(); |
| 90 | + tick(); |
| 91 | + |
| 92 | + expect(radioInstance.value).toBeDefined(); |
| 93 | + expect(radioInstance.value).toEqual('Baz'); |
| 94 | + |
| 95 | + expect(radioInstance.selected).toBeDefined(); |
| 96 | + expect(radioInstance.selected).toEqual(radioInstance.radioButtons.last); |
| 97 | + |
| 98 | + spyOn(radioInstance.change, 'emit'); |
| 99 | + |
| 100 | + radioInstance.value = 'Foo'; |
| 101 | + fixture.detectChanges(); |
| 102 | + |
| 103 | + expect(radioInstance.value).toEqual('Foo'); |
| 104 | + expect(radioInstance.selected).toEqual(radioInstance.radioButtons.first); |
| 105 | + expect(radioInstance.change.emit).toHaveBeenCalled(); |
| 106 | + })); |
| 107 | + |
| 108 | + it('Set selected property should change value and emit change event.', fakeAsync(() => { |
| 109 | + const fixture = TestBed.createComponent(RadioGroupComponent); |
| 110 | + const radioInstance = fixture.componentInstance.radioGroup; |
| 111 | + |
| 112 | + fixture.detectChanges(); |
| 113 | + tick(); |
| 114 | + |
| 115 | + expect(radioInstance.value).toBeDefined(); |
| 116 | + expect(radioInstance.value).toEqual('Baz'); |
| 117 | + |
| 118 | + expect(radioInstance.selected).toBeDefined(); |
| 119 | + expect(radioInstance.selected).toEqual(radioInstance.radioButtons.last); |
| 120 | + |
| 121 | + spyOn(radioInstance.change, 'emit'); |
| 122 | + |
| 123 | + radioInstance.selected = radioInstance.radioButtons.first; |
| 124 | + fixture.detectChanges(); |
| 125 | + |
| 126 | + expect(radioInstance.value).toEqual('Foo'); |
| 127 | + expect(radioInstance.selected).toEqual(radioInstance.radioButtons.first); |
| 128 | + expect(radioInstance.change.emit).toHaveBeenCalled(); |
| 129 | + })); |
| 130 | + |
| 131 | + it('Clicking on a radio button should update the model.', fakeAsync(() => { |
| 132 | + const fixture = TestBed.createComponent(RadioGroupWithModelComponent); |
| 133 | + const radioInstance = fixture.componentInstance.radioGroup; |
| 134 | + |
| 135 | + fixture.detectChanges(); |
| 136 | + tick(); |
| 137 | + |
| 138 | + radioInstance.radioButtons.first.nativeLabel.nativeElement.click(); |
| 139 | + fixture.detectChanges(); |
| 140 | + tick(); |
| 141 | + |
| 142 | + expect(radioInstance.value).toEqual('Winter'); |
| 143 | + expect(radioInstance.selected).toEqual(radioInstance.radioButtons.first); |
| 144 | + })); |
| 145 | + |
| 146 | + it('Updating the model should select a radio button.', fakeAsync(() => { |
| 147 | + const fixture = TestBed.createComponent(RadioGroupWithModelComponent); |
| 148 | + const radioInstance = fixture.componentInstance.radioGroup; |
| 149 | + |
| 150 | + fixture.detectChanges(); |
| 151 | + tick(); |
| 152 | + |
| 153 | + fixture.componentInstance.personBob.favoriteSeason = 'Winter'; |
| 154 | + fixture.detectChanges(); |
| 155 | + tick(); |
| 156 | + |
| 157 | + expect(radioInstance.value).toEqual('Winter'); |
| 158 | + expect(radioInstance.selected).toEqual(radioInstance.radioButtons.first); |
| 159 | + })); |
| 160 | + |
| 161 | + it('Properly update the model when radio group is hosted in Reactive forms.', fakeAsync(() => { |
| 162 | + const fixture = TestBed.createComponent(RadioGroupReactiveFormsComponent); |
| 163 | + |
| 164 | + fixture.detectChanges(); |
| 165 | + tick(); |
| 166 | + |
| 167 | + expect(fixture.componentInstance.personForm).toBeDefined(); |
| 168 | + expect(fixture.componentInstance.model).toBeDefined(); |
| 169 | + expect(fixture.componentInstance.newModel).toBeUndefined(); |
| 170 | + |
| 171 | + fixture.componentInstance.personForm.patchValue({ favoriteSeason: fixture.componentInstance.seasons[0] }); |
| 172 | + fixture.componentInstance.updateModel(); |
| 173 | + fixture.detectChanges(); |
| 174 | + tick(); |
| 175 | + |
| 176 | + expect(fixture.componentInstance.newModel).toBeDefined(); |
| 177 | + expect(fixture.componentInstance.newModel.name).toEqual(fixture.componentInstance.model.name); |
| 178 | + expect(fixture.componentInstance.newModel.favoriteSeason).toEqual(fixture.componentInstance.seasons[0]); |
| 179 | + })); |
| 180 | +}); |
| 181 | + |
| 182 | +@Component({ |
| 183 | + template: `<igx-radio-group #radioGroup name="radioGroup" value="Baz" required="true" labelPosition="before"> |
| 184 | + <igx-radio *ngFor="let item of ['Foo', 'Bar', 'Baz']" value="{{item}}"> |
| 185 | + {{item}} |
| 186 | + </igx-radio> |
| 187 | +</igx-radio-group> |
| 188 | +` |
| 189 | +}) |
| 190 | +class RadioGroupComponent { |
| 191 | + @ViewChild('radioGroup', { read: IgxRadioGroupDirective }) public radioGroup: IgxRadioGroupDirective; |
| 192 | +} |
| 193 | + |
| 194 | +class Person { |
| 195 | + name: string; |
| 196 | + favoriteSeason: string; |
| 197 | +} |
| 198 | + |
| 199 | +@Component({ |
| 200 | + template: ` <igx-radio-group #radioGroupSeasons name="radioGroupSeasons" [(ngModel)]="personBob.favoriteSeason"> |
| 201 | + <igx-radio *ngFor="let item of seasons" value="{{item}}"> |
| 202 | + {{item}} |
| 203 | + </igx-radio> |
| 204 | + </igx-radio-group> |
| 205 | +` |
| 206 | +}) |
| 207 | +class RadioGroupWithModelComponent { |
| 208 | + seasons = [ |
| 209 | + 'Winter', |
| 210 | + 'Spring', |
| 211 | + 'Summer', |
| 212 | + 'Autumn', |
| 213 | + ]; |
| 214 | + |
| 215 | + @ViewChild('radioGroupSeasons', { read: IgxRadioGroupDirective }) public radioGroup: IgxRadioGroupDirective; |
| 216 | + |
| 217 | + personBob: Person = { name: 'Bob', favoriteSeason: 'Summer' }; |
| 218 | +} |
| 219 | + |
| 220 | +@Component({ |
| 221 | + template: ` |
| 222 | +<form [formGroup]="personForm"> |
| 223 | + <igx-radio-group formControlName="favoriteSeason" name="radioGroupReactive"> |
| 224 | + <igx-radio *ngFor="let item of seasons" value="{{item}}"> |
| 225 | + {{item}} |
| 226 | + </igx-radio> |
| 227 | + </igx-radio-group> |
| 228 | +</form> |
| 229 | +` |
| 230 | +}) |
| 231 | +class RadioGroupReactiveFormsComponent { |
| 232 | + seasons = [ |
| 233 | + 'Winter', |
| 234 | + 'Spring', |
| 235 | + 'Summer', |
| 236 | + 'Autumn', |
| 237 | + ]; |
| 238 | + |
| 239 | + newModel: Person; |
| 240 | + model: Person = { name: 'Kirk', favoriteSeason: this.seasons[1] }; |
| 241 | + personForm: FormGroup; |
| 242 | + |
| 243 | + constructor(private _formBuilder: FormBuilder) { |
| 244 | + this._createForm(); |
| 245 | + } |
| 246 | + |
| 247 | + updateModel() { |
| 248 | + const formModel = this.personForm.value; |
| 249 | + |
| 250 | + this.newModel = { |
| 251 | + name: formModel.name as string, |
| 252 | + favoriteSeason: formModel.favoriteSeason as string |
| 253 | + }; |
| 254 | + } |
| 255 | + |
| 256 | + private _createForm() { |
| 257 | + // create form |
| 258 | + this.personForm = this._formBuilder.group({ |
| 259 | + name: '', |
| 260 | + favoriteSeason: '' |
| 261 | + }); |
| 262 | + |
| 263 | + // simulate model loading from service |
| 264 | + this.personForm.setValue({ |
| 265 | + name: this.model.name, |
| 266 | + favoriteSeason: this.model.favoriteSeason |
| 267 | + }); |
| 268 | + } |
| 269 | +} |
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