Chore: ditch the abandoned ngx-bootstrap-icons, roll our own (#14665)

src-ui/src/app/components/common/bootstrap-icon/bootstrap-icon.component.spec.ts

@@ -0,0 +1,61 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+import { BootstrapIconComponent } from './bootstrap-icon.component'
+
+describe('BootstrapIconComponent', () => {
+  let fixture: ComponentFixture<BootstrapIconComponent>
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      imports: [BootstrapIconComponent],
+    })
+    fixture = TestBed.createComponent(BootstrapIconComponent)
+  })
+
+  it('should render the named icon as inline svg', () => {
+    fixture.componentRef.setInput('name', 'arrow-down-up')
+    fixture.detectChanges()
+    const svg: SVGElement = fixture.nativeElement.querySelector('svg')
+    expect(svg.classList).toContain('bi-arrow-down-up')
+    expect(svg.getAttribute('width')).toEqual('16')
+    expect(svg.getAttribute('height')).toEqual('16')
+  })
+
+  it('should apply width and height', () => {
+    fixture.componentRef.setInput('name', 'x-lg')
+    fixture.componentRef.setInput('width', '1.2em')
+    fixture.componentRef.setInput('height', 2)
+    fixture.detectChanges()
+    const svg: SVGElement = fixture.nativeElement.querySelector('svg')
+    expect(svg.getAttribute('width')).toEqual('1.2em')
+    expect(svg.getAttribute('height')).toEqual('2')
+  })
+
+  it('should not allow width or height to inject attributes', () => {
+    fixture.componentRef.setInput('name', 'x-lg')
+    fixture.componentRef.setInput('width', '1" onload="alert(1)')
+    fixture.componentRef.setInput('height', '1" onclick="alert(1)')
+    fixture.detectChanges()
+    const svg: SVGElement = fixture.nativeElement.querySelector('svg')
+    expect(svg.hasAttribute('onload')).toBe(false)
+    expect(svg.hasAttribute('onclick')).toBe(false)
+    expect(svg.getAttribute('width')).toEqual('1" onload="alert(1)')
+  })
+
+  it('should update when the name changes', () => {
+    fixture.componentRef.setInput('name', 'x-lg')
+    fixture.detectChanges()
+    fixture.componentRef.setInput('name', 'sliders2-vertical')
+    fixture.detectChanges()
+    expect(fixture.nativeElement.querySelector('svg').classList).toContain(
+      'bi-sliders2-vertical'
+    )
+  })
+
+  it('should render nothing and warn for an unregistered icon', () => {
+    const warnSpy = jest.spyOn(console, 'warn').mockImplementation(() => {})
+    fixture.componentRef.setInput('name', 'not-an-icon')
+    fixture.detectChanges()
+    expect(fixture.nativeElement.innerHTML).toEqual('')
+    expect(warnSpy).toHaveBeenCalledWith('Icon not found: not-an-icon')
+  })
+})