diff --git a/src/components/sq-accordion/sq-accordion.component.spec.ts b/src/components/sq-accordion/sq-accordion.component.spec.ts
new file mode 100644
index 0000000..505ff12
--- /dev/null
+++ b/src/components/sq-accordion/sq-accordion.component.spec.ts
@@ -0,0 +1,95 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+import { SqAccordionComponent } from './sq-accordion.component'
+import { SqCollapseComponent } from './sq-collapse/sq-collapse.component'
+import { EventEmitter, QueryList } from '@angular/core'
+
+describe('SqAccordionComponent', () => {
+  let component: SqAccordionComponent
+  let fixture: ComponentFixture<SqAccordionComponent>
+  let mockCollapse: jasmine.SpyObj<SqCollapseComponent>
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [SqAccordionComponent, SqCollapseComponent]
+    }).compileComponents()
+
+    fixture = TestBed.createComponent(SqAccordionComponent)
+    component = fixture.componentInstance
+
+    mockCollapse = jasmine.createSpyObj('SqCollapseComponent', ['toggleCollapse'], {
+      openedEmitter: new EventEmitter(),
+      open: false,
+    })
+
+    const collapses = new QueryList<SqCollapseComponent>()
+    collapses.reset([mockCollapse])
+    component.collapses = collapses
+
+    fixture.detectChanges()
+  })
+
+  it('should create the component', () => {
+    expect(component).toBeTruthy()
+  })
+
+  it('should open the first collapse if openFirst is true', async () => {
+    component.openFirst = true
+    component.collapses.reset([mockCollapse])
+
+    await component.ngAfterContentInit()
+
+    expect(mockCollapse.toggleCollapse).toHaveBeenCalled()
+  })
+
+  it('should subscribe to collapse openedEmitter', () => {
+    component.collapses.reset([mockCollapse])
+    component.ngAfterContentInit()
+
+    mockCollapse.openedEmitter.emit()
+
+    expect(mockCollapse.toggleCollapse).toHaveBeenCalled()
+  })
+
+  it('should close other collapses if onlyOne is true', () => {
+    component.onlyOne = true
+
+    const secondMockCollapse = jasmine.createSpyObj('SqCollapseComponent', ['toggleCollapse'], {
+      openedEmitter: new EventEmitter(),
+      open: true,
+    })
+
+    component.collapses.reset([mockCollapse, secondMockCollapse])
+
+    component.openCollapse(mockCollapse)
+
+    expect(secondMockCollapse.toggleCollapse).toHaveBeenCalled()
+    expect(mockCollapse.toggleCollapse).toHaveBeenCalled()
+  })
+
+  it('should not close other collapses if onlyOne is false', () => {
+    component.onlyOne = false
+
+    const secondMockCollapse = jasmine.createSpyObj('SqCollapseComponent', ['toggleCollapse'], {
+      openedEmitter: new EventEmitter(),
+      open: true,
+    })
+
+    component.collapses.reset([mockCollapse, secondMockCollapse])
+
+    mockCollapse.open = true
+
+    component.openCollapse(secondMockCollapse)
+
+    expect(mockCollapse.toggleCollapse).not.toHaveBeenCalled()
+    expect(secondMockCollapse.toggleCollapse).toHaveBeenCalled()
+  })
+
+  it('should unsubscribe from all collapses on destroy', () => {
+    component.collapses.reset([mockCollapse])
+    spyOn(mockCollapse.openedEmitter, 'unsubscribe')
+
+    component.ngOnDestroy()
+
+    expect(mockCollapse.openedEmitter.unsubscribe).toHaveBeenCalled()
+  })
+})