Improve 404 navigation and styling

src-ui/src/app/components/common/logo/logo.component.spec.ts

@@ -0,0 +1,36 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+
+import { LogoComponent } from './logo.component'
+import { By } from '@angular/platform-browser'
+
+describe('LogoComponent', () => {
+  let component: LogoComponent
+  let fixture: ComponentFixture<LogoComponent>
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [LogoComponent],
+    })
+    fixture = TestBed.createComponent(LogoComponent)
+    component = fixture.componentInstance
+    fixture.detectChanges()
+  })
+
+  it('should support extra classes', () => {
+    expect(fixture.debugElement.queryAll(By.css('.foo'))).toHaveLength(0)
+    component.extra_classes = 'foo'
+    fixture.detectChanges()
+    expect(fixture.debugElement.queryAll(By.css('.foo'))).toHaveLength(1)
+  })
+
+  it('should support setting height', () => {
+    expect(fixture.debugElement.query(By.css('svg')).attributes.height).toEqual(
+      '6em'
+    )
+    component.height = '10em'
+    fixture.detectChanges()
+    expect(fixture.debugElement.query(By.css('svg')).attributes.height).toEqual(
+      '10em'
+    )
+  })
+})