diff --git a/src/app/app.component.spec.ts b/src/app/app.component.spec.ts
index 8105dfb..7f18e04 100644
--- a/src/app/app.component.spec.ts
+++ b/src/app/app.component.spec.ts
@@ -4,8 +4,13 @@ import {By} from '@angular/platform-browser';
 import {RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
 import {RouterTestingModule} from '@angular/router/testing';
 import {LoginService} from './services/login.service';
+import {Router} from '@angular/router';
+
+// TODO
 
 let loginServiceSpy: jasmine.SpyObj<LoginService>;
+let routerServiceSpy: jasmine.SpyObj<Router>;
+let windowServiceSpy: jasmine.SpyObj<Window>;
 
 describe('AppComponent', () => {
   let component: AppComponent;
@@ -14,6 +19,8 @@ describe('AppComponent', () => {
 
   beforeEach(async(() => {
     const loginSpy = jasmine.createSpyObj('LoginService', ['login', 'canActivate']);
+    const routerSpy = jasmine.createSpyObj('Router', ['navigate', 'events']);
+    const windowSpy = jasmine.createSpyObj('Window', ['location', 'innerWidth', 'innerHeight', 'scroll']);
 
     TestBed.configureTestingModule({
       declarations: [ AppComponent ],
@@ -22,10 +29,15 @@ describe('AppComponent', () => {
         RouterTestingModule
       ],
       providers: [
-        {provide: LoginService, useValue: loginSpy}
+        {provide: LoginService, useValue: loginSpy},
+        {provide: Router, useValue: routerSpy},
+        {provide: Window, useValue: windowSpy}
       ]
     }).compileComponents();
+
     loginServiceSpy = TestBed.inject(LoginService) as jasmine.SpyObj<LoginService>;
+    routerServiceSpy = TestBed.inject(Router) as jasmine.SpyObj<Router>;
+    windowServiceSpy = TestBed.inject(Window) as jasmine.SpyObj<Window>;
   }));
 
   beforeEach(() => {
diff --git a/src/app/changelog/changelog.component.spec.ts b/src/app/changelog/changelog.component.spec.ts
index a9ebfb6..f65f6b0 100644
--- a/src/app/changelog/changelog.component.spec.ts
+++ b/src/app/changelog/changelog.component.spec.ts
@@ -1,21 +1,44 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { ChangelogComponent } from './changelog.component';
+import {ApiService} from '../services/api.service';
+import {ModalService, RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
+import {FormsModule} from '@angular/forms';
+import {ValidationService} from '../services/validation.service';
+import {DataService} from '../services/data.service';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+let modalServiceSpy: jasmine.SpyObj<ModalService>;
 
 describe('ChangelogComponent', () => {
   let component: ChangelogComponent;
   let fixture: ComponentFixture<ChangelogComponent>;
 
   beforeEach(async(() => {
+    const apiSpy = jasmine.createSpyObj('ApiService', ['get']);
+    const modalSpy = jasmine.createSpyObj('ModalService', ['open']);
+
     TestBed.configureTestingModule({
-      declarations: [ ChangelogComponent ]
+      declarations: [ ChangelogComponent ],
+      imports: [
+      ],
+      providers: [
+        {provide: ApiService, useValue: apiSpy},
+        {provide: ModalService, useValue: modalSpy}
+      ]
     })
     .compileComponents();
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
+    modalServiceSpy = TestBed.inject(ModalService) as jasmine.SpyObj<ModalService>;
   }));
 
   beforeEach(() => {
     fixture = TestBed.createComponent(ChangelogComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/documentation-database/documentation-database.component.spec.ts b/src/app/documentation-database/documentation-database.component.spec.ts
index 75dc273..5b8a177 100644
--- a/src/app/documentation-database/documentation-database.component.spec.ts
+++ b/src/app/documentation-database/documentation-database.component.spec.ts
@@ -2,6 +2,8 @@ import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { DocumentationDatabaseComponent } from './documentation-database.component';
 
+// TODO
+
 describe('DocumentationDatabaseComponent', () => {
   let component: DocumentationDatabaseComponent;
   let fixture: ComponentFixture<DocumentationDatabaseComponent>;
@@ -16,6 +18,7 @@ describe('DocumentationDatabaseComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(DocumentationDatabaseComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/documentation/documentation.component.spec.ts b/src/app/documentation/documentation.component.spec.ts
index fec102e..680e304 100644
--- a/src/app/documentation/documentation.component.spec.ts
+++ b/src/app/documentation/documentation.component.spec.ts
@@ -1,6 +1,11 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { DocumentationComponent } from './documentation.component';
+import {RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
+import {FormsModule} from '@angular/forms';
+import {RbCustomInputsModule} from '../rb-custom-inputs/rb-custom-inputs.module';
+
+// TODO
 
 describe('DocumentationComponent', () => {
   let component: DocumentationComponent;
@@ -8,7 +13,10 @@ describe('DocumentationComponent', () => {
 
   beforeEach(async(() => {
     TestBed.configureTestingModule({
-      declarations: [ DocumentationComponent ]
+      declarations: [ DocumentationComponent ],
+      imports: [
+        RbCustomInputsModule
+      ]
     })
     .compileComponents();
   }));
@@ -16,6 +24,7 @@ describe('DocumentationComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(DocumentationComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/error/error.component.spec.ts b/src/app/error/error.component.spec.ts
index 34f1cc0..d48f3f6 100644
--- a/src/app/error/error.component.spec.ts
+++ b/src/app/error/error.component.spec.ts
@@ -4,6 +4,8 @@ import { ErrorComponent } from './error.component';
 import {ModalService, RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
 import {By} from '@angular/platform-browser';
 
+// TODO
+
 describe('ErrorComponent', () => {
   let component: ErrorComponent;
   let fixture: ComponentFixture<ErrorComponent>;
@@ -25,6 +27,7 @@ describe('ErrorComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(ErrorComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
     css = (selector) => fixture.debugElement.query(By.css(selector)).nativeElement;
   });
diff --git a/src/app/exists.pipe.spec.ts b/src/app/exists.pipe.spec.ts
index 110c53c..2616a58 100644
--- a/src/app/exists.pipe.spec.ts
+++ b/src/app/exists.pipe.spec.ts
@@ -1,5 +1,7 @@
 import { ExistsPipe } from './exists.pipe';
 
+// TODO
+
 describe('ExistsPipe', () => {
   it('create an instance', () => {
     const pipe = new ExistsPipe();
diff --git a/src/app/home/home.component.spec.ts b/src/app/home/home.component.spec.ts
index 061ca6e..5db4493 100644
--- a/src/app/home/home.component.spec.ts
+++ b/src/app/home/home.component.spec.ts
@@ -3,6 +3,8 @@ import { HomeComponent } from './home.component';
 import {Component} from '@angular/core';
 import {By} from '@angular/platform-browser';
 
+// TODO
+
 @Component({selector: 'app-login', template: ''})
 class LoginStubComponent {}
 
@@ -23,6 +25,7 @@ describe('HomeComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(HomeComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/img-magnifier/img-magnifier.component.spec.ts b/src/app/img-magnifier/img-magnifier.component.spec.ts
index 753cad6..10ece39 100644
--- a/src/app/img-magnifier/img-magnifier.component.spec.ts
+++ b/src/app/img-magnifier/img-magnifier.component.spec.ts
@@ -1,21 +1,40 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { ImgMagnifierComponent } from './img-magnifier.component';
+import {ApiService} from '../services/api.service';
+import {RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
+import {FormsModule} from '@angular/forms';
+import {ValidationService} from '../services/validation.service';
+import {DataService} from '../services/data.service';
+
+// TODO
+
+let windowServiceSpy: jasmine.SpyObj<Window>;
 
 describe('ImgMagnifierComponent', () => {
   let component: ImgMagnifierComponent;
   let fixture: ComponentFixture<ImgMagnifierComponent>;
 
   beforeEach(async(() => {
+    const windowSpy = jasmine.createSpyObj('Window', []);
+
     TestBed.configureTestingModule({
-      declarations: [ ImgMagnifierComponent ]
+      declarations: [ ImgMagnifierComponent ],
+      imports: [
+      ],
+      providers: [
+        {provide: Window, useValue: windowSpy}
+      ]
     })
     .compileComponents();
+
+    windowServiceSpy = TestBed.inject(Window) as jasmine.SpyObj<Window>;
   }));
 
   beforeEach(() => {
     fixture = TestBed.createComponent(ImgMagnifierComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/login/login.component.spec.ts b/src/app/login/login.component.spec.ts
index 5922456..5a5ef85 100644
--- a/src/app/login/login.component.spec.ts
+++ b/src/app/login/login.component.spec.ts
@@ -7,6 +7,8 @@ import {By} from '@angular/platform-browser';
 import {ValidateDirective} from '../validate.directive';
 import {RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
 
+// TODO
+
 let validationServiceSpy: jasmine.SpyObj<ValidationService>;
 let loginServiceSpy: jasmine.SpyObj<LoginService>;
 
diff --git a/src/app/models/user.model.spec.ts b/src/app/models/user.model.spec.ts
index 3ba7e0b..c5ec2e7 100644
--- a/src/app/models/user.model.spec.ts
+++ b/src/app/models/user.model.spec.ts
@@ -1,6 +1,6 @@
 import { UserModel } from './user.model';
 
-describe('User.Model', () => {
+describe('UserModel', () => {
   it('should create an instance', () => {
     expect(new UserModel()).toBeTruthy();
   });
diff --git a/src/app/object.pipe.spec.ts b/src/app/object.pipe.spec.ts
index 5560af0..ee8c297 100644
--- a/src/app/object.pipe.spec.ts
+++ b/src/app/object.pipe.spec.ts
@@ -1,5 +1,7 @@
 import { ObjectPipe } from './object.pipe';
 
+// TODO
+
 describe('ObjectPipe', () => {
   it('create an instance', () => {
     const pipe = new ObjectPipe();
diff --git a/src/app/parameters.pipe.spec.ts b/src/app/parameters.pipe.spec.ts
index 2dc7f21..e733aad 100644
--- a/src/app/parameters.pipe.spec.ts
+++ b/src/app/parameters.pipe.spec.ts
@@ -1,5 +1,7 @@
 import { ParametersPipe } from './parameters.pipe';
 
+// TODO
+
 describe('ParametersPipe', () => {
   it('create an instance', () => {
     const pipe = new ParametersPipe();
diff --git a/src/app/prediction/prediction.component.spec.ts b/src/app/prediction/prediction.component.spec.ts
index 6259097..98b8640 100644
--- a/src/app/prediction/prediction.component.spec.ts
+++ b/src/app/prediction/prediction.component.spec.ts
@@ -1,21 +1,40 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { PredictionComponent } from './prediction.component';
+import {ApiService} from '../services/api.service';
+import {RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
+import {FormsModule} from '@angular/forms';
+import {ValidationService} from '../services/validation.service';
+import {DataService} from '../services/data.service';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
 
 describe('PredictionComponent', () => {
   let component: PredictionComponent;
   let fixture: ComponentFixture<PredictionComponent>;
 
   beforeEach(async(() => {
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post']);
+
     TestBed.configureTestingModule({
-      declarations: [ PredictionComponent ]
+      declarations: [ PredictionComponent ],
+      imports: [
+      ],
+      providers: [
+        {provide: ApiService, useValue: apiSpy}
+      ]
     })
     .compileComponents();
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
   }));
 
   beforeEach(() => {
     fixture = TestBed.createComponent(PredictionComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/rb-custom-inputs/rb-array-input/array-input-helper.service.spec.ts b/src/app/rb-custom-inputs/rb-array-input/array-input-helper.service.spec.ts
index 9c60a48..0f80e61 100644
--- a/src/app/rb-custom-inputs/rb-array-input/array-input-helper.service.spec.ts
+++ b/src/app/rb-custom-inputs/rb-array-input/array-input-helper.service.spec.ts
@@ -2,6 +2,8 @@ import { TestBed } from '@angular/core/testing';
 
 import { ArrayInputHelperService } from './array-input-helper.service';
 
+// TOdo
+
 describe('ArrayInputHelperService', () => {
   let service: ArrayInputHelperService;
 
diff --git a/src/app/rb-custom-inputs/rb-array-input/rb-array-input.component.spec.ts b/src/app/rb-custom-inputs/rb-array-input/rb-array-input.component.spec.ts
index 1e0acad..75eca5e 100644
--- a/src/app/rb-custom-inputs/rb-array-input/rb-array-input.component.spec.ts
+++ b/src/app/rb-custom-inputs/rb-array-input/rb-array-input.component.spec.ts
@@ -16,6 +16,7 @@ describe('RbArrayInputComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(RbArrayInputComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/rb-custom-inputs/rb-icon-button/rb-icon-button.component.spec.ts b/src/app/rb-custom-inputs/rb-icon-button/rb-icon-button.component.spec.ts
index dad6730..28be0d9 100644
--- a/src/app/rb-custom-inputs/rb-icon-button/rb-icon-button.component.spec.ts
+++ b/src/app/rb-custom-inputs/rb-icon-button/rb-icon-button.component.spec.ts
@@ -2,6 +2,8 @@ import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { RbIconButtonComponent } from './rb-icon-button.component';
 
+// TODO
+
 describe('RbIconButtonComponent', () => {
   let component: RbIconButtonComponent;
   let fixture: ComponentFixture<RbIconButtonComponent>;
@@ -16,6 +18,7 @@ describe('RbIconButtonComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(RbIconButtonComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/rb-custom-inputs/rb-table/rb-table.component.spec.ts b/src/app/rb-custom-inputs/rb-table/rb-table.component.spec.ts
index c5bae98..6b0005d 100644
--- a/src/app/rb-custom-inputs/rb-table/rb-table.component.spec.ts
+++ b/src/app/rb-custom-inputs/rb-table/rb-table.component.spec.ts
@@ -2,6 +2,8 @@ import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { RbTableComponent } from './rb-table.component';
 
+// TODO
+
 describe('RbTableComponent', () => {
   let component: RbTableComponent;
   let fixture: ComponentFixture<RbTableComponent>;
@@ -16,6 +18,7 @@ describe('RbTableComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(RbTableComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/sample/sample.component.spec.ts b/src/app/sample/sample.component.spec.ts
index 85ea267..c7ac4d4 100644
--- a/src/app/sample/sample.component.spec.ts
+++ b/src/app/sample/sample.component.spec.ts
@@ -1,27 +1,70 @@
-// import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-//
-// import { SampleComponent } from './sample.component';
-//
-// // TODO: tests
-//
-// describe('SampleComponent', () => {
-//   let component: SampleComponent;
-//   let fixture: ComponentFixture<SampleComponent>;
-//
-//   beforeEach(async(() => {
-//     TestBed.configureTestingModule({
-//       declarations: [ SampleComponent ]
-//     })
-//     .compileComponents();
-//   }));
-//
-//   beforeEach(() => {
-//     fixture = TestBed.createComponent(SampleComponent);
-//     component = fixture.componentInstance;
-//     fixture.detectChanges();
-//   });
-//
-//   it('should create', () => {
-//     expect(component).toBeTruthy();
-//   });
-// });
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SampleComponent } from './sample.component';
+import {ApiService} from '../services/api.service';
+import {ValidationService} from '../services/validation.service';
+import {DataService} from '../services/data.service';
+import {ModalService, RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
+import {FormsModule} from '@angular/forms';
+import {ActivatedRoute, Router} from '@angular/router';
+import {AutocompleteService} from '../services/autocomplete.service';
+
+// TODO
+
+let routerServiceSpy: jasmine.SpyObj<Router>;
+let activatedRouteServiceSpy: jasmine.SpyObj<ActivatedRoute>;
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+let validationServiceSpy: jasmine.SpyObj<ValidationService>;
+let autocompleteServiceSpy: jasmine.SpyObj<AutocompleteService>;
+let modalServiceSpy: jasmine.SpyObj<ModalService>;
+let dataServiceSpy: jasmine.SpyObj<DataService>;
+
+describe('SampleComponent', () => {
+  let component: SampleComponent;
+  let fixture: ComponentFixture<SampleComponent>;
+
+  beforeEach(async(() => {
+    const routerSpy = jasmine.createSpyObj('Router', ['navigate']);
+    const activatedRouteSpy = jasmine.createSpyObj('ActivatedRoute', ['snapshot']);
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+    const validationSpy = jasmine.createSpyObj('ValidationService', ['generate']);
+    const autocompleteSpy = jasmine.createSpyObj('AutocompleteService', []);
+    const modalSpy = jasmine.createSpyObj('ModalService', ['open']);
+    const dataSpy = jasmine.createSpyObj('DataService', ['load', 'idReload']);
+
+    TestBed.configureTestingModule({
+      declarations: [ SampleComponent ],
+      imports: [
+      ],
+      providers: [
+        {provide: Router, useValue: routerSpy},
+        {provide: ActivatedRoute, useValue: activatedRouteSpy},
+        {provide: ApiService, useValue: apiSpy},
+        {provide: ValidationService, useValue: validationSpy},
+        {provide: AutocompleteService, useValue: autocompleteSpy},
+        {provide: ModalService, useValue: modalSpy},
+        {provide: DataService, useValue: dataSpy}
+      ]
+    })
+    .compileComponents();
+
+    routerServiceSpy = TestBed.inject(Router) as jasmine.SpyObj<Router>;
+    activatedRouteServiceSpy = TestBed.inject(ActivatedRoute) as jasmine.SpyObj<ActivatedRoute>;
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
+    validationServiceSpy = TestBed.inject(ValidationService) as jasmine.SpyObj<ValidationService>;
+    autocompleteServiceSpy = TestBed.inject(AutocompleteService) as jasmine.SpyObj<AutocompleteService>;
+    modalServiceSpy = TestBed.inject(ModalService) as jasmine.SpyObj<ModalService>;
+    dataServiceSpy = TestBed.inject(DataService) as jasmine.SpyObj<DataService>;
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SampleComponent);
+    component = fixture.componentInstance;
+    component.ngOnInit();
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/samples/samples.component.spec.ts b/src/app/samples/samples.component.spec.ts
index d3ec677..722de64 100644
--- a/src/app/samples/samples.component.spec.ts
+++ b/src/app/samples/samples.component.spec.ts
@@ -1,27 +1,72 @@
-// import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-//
-// import { SamplesComponent } from './samples.component';
-//
-// // TODO: tests
-//
-// describe('SamplesComponent', () => {
-//   let component: SamplesComponent;
-//   let fixture: ComponentFixture<SamplesComponent>;
-//
-//   beforeEach(async(() => {
-//     TestBed.configureTestingModule({
-//       declarations: [ SamplesComponent ]
-//     })
-//     .compileComponents();
-//   }));
-//
-//   beforeEach(() => {
-//     fixture = TestBed.createComponent(SamplesComponent);
-//     component = fixture.componentInstance;
-//     fixture.detectChanges();
-//   });
-//
-//   it('should create', () => {
-//     expect(component).toBeTruthy();
-//   });
-// });
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SamplesComponent } from './samples.component';
+import {ApiService} from '../services/api.service';
+import {AutocompleteService} from '../services/autocomplete.service';
+import {DataService} from '../services/data.service';
+import {LoginService} from '../services/login.service';
+import {LocalStorageService} from 'angular-2-local-storage';
+import {ModalService} from '@inst-iot/bosch-angular-ui-components';
+import {ValidationService} from '../services/validation.service';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+let autocompleteServiceSpy: jasmine.SpyObj<AutocompleteService>;
+let modalServiceSpy: jasmine.SpyObj<ModalService>;
+let dataServiceSpy: jasmine.SpyObj<DataService>;
+let loginServiceSpy: jasmine.SpyObj<LoginService>;
+let localStorageServiceSpy: jasmine.SpyObj<LocalStorageService>;
+let windowServiceSpy: jasmine.SpyObj<Window>;
+
+
+
+describe('SamplesComponent', () => {
+  let component: SamplesComponent;
+  let fixture: ComponentFixture<SamplesComponent>;
+
+  beforeEach(async(() => {
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+    const autocompleteSpy = jasmine.createSpyObj('AutocompleteService', []);
+    const loginSpy = jasmine.createSpyObj('LoginService', ['login', 'canActivate']);
+    const modalSpy = jasmine.createSpyObj('ModalService', ['open']);
+    const dataSpy = jasmine.createSpyObj('DataService', ['load', 'idReload']);
+    const localStorageSpy = jasmine.createSpyObj('LocalStorageService', ['set', 'remove']);
+    const windowSpy = jasmine.createSpyObj('Window', []);
+
+    TestBed.configureTestingModule({
+      declarations: [ SamplesComponent ],
+      imports: [
+      ],
+      providers: [
+        {provide: ApiService, useValue: apiSpy},
+        {provide: AutocompleteService, useValue: autocompleteSpy},
+        {provide: ModalService, useValue: modalSpy},
+        {provide: DataService, useValue: dataSpy},
+        {provide: LoginService, useValue: loginSpy},
+        {provide: LocalStorageService, useValue: localStorageSpy},
+        {provide: Window, useValue: windowSpy}
+      ]
+    })
+    .compileComponents();
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
+    autocompleteServiceSpy = TestBed.inject(AutocompleteService) as jasmine.SpyObj<AutocompleteService>;
+    modalServiceSpy = TestBed.inject(ModalService) as jasmine.SpyObj<ModalService>;
+    dataServiceSpy = TestBed.inject(DataService) as jasmine.SpyObj<DataService>;
+    loginServiceSpy = TestBed.inject(LoginService) as jasmine.SpyObj<LoginService>;
+    localStorageServiceSpy = TestBed.inject(LocalStorageService) as jasmine.SpyObj<LocalStorageService>;
+    windowServiceSpy = TestBed.inject(Window) as jasmine.SpyObj<Window>;
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SamplesComponent);
+    component = fixture.componentInstance;
+    component.ngOnInit();
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/samples/samples.component.ts b/src/app/samples/samples.component.ts
index 2b5f0b2..3230ac7 100644
--- a/src/app/samples/samples.component.ts
+++ b/src/app/samples/samples.component.ts
@@ -10,6 +10,8 @@ import {ModalService} from '@inst-iot/bosch-angular-ui-components';
 import {DataService} from '../services/data.service';
 import {LocalStorageService} from 'angular-2-local-storage';
 
+// TODO: turn off sort field
+
 
 interface LoadSamplesOptions {
   toPage?: number;
diff --git a/src/app/services/api.service.spec.ts b/src/app/services/api.service.spec.ts
index 3782e9a..84af89d 100644
--- a/src/app/services/api.service.spec.ts
+++ b/src/app/services/api.service.spec.ts
@@ -10,6 +10,7 @@ let httpClientSpy: jasmine.SpyObj<HttpClient>;
 let localStorageServiceSpy: jasmine.SpyObj<LocalStorageService>;
 let modalServiceSpy: jasmine.SpyObj<ModalService>;
 
+// TODO
 // TODO: test options
 
 describe('ApiService', () => {
diff --git a/src/app/services/autocomplete.service.spec.ts b/src/app/services/autocomplete.service.spec.ts
index ef9aae6..4b57bd1 100644
--- a/src/app/services/autocomplete.service.spec.ts
+++ b/src/app/services/autocomplete.service.spec.ts
@@ -2,6 +2,8 @@ import { TestBed } from '@angular/core/testing';
 
 import { AutocompleteService } from './autocomplete.service';
 
+// TODO
+
 let autocompleteService: AutocompleteService;
 
 describe('AutocompleteService', () => {
diff --git a/src/app/services/data.service.spec.ts b/src/app/services/data.service.spec.ts
index 38e8d9e..2fcc8f5 100644
--- a/src/app/services/data.service.spec.ts
+++ b/src/app/services/data.service.spec.ts
@@ -1,13 +1,30 @@
 import { TestBed } from '@angular/core/testing';
 
 import { DataService } from './data.service';
+import {ApiService} from './api.service';
+import {HttpClient} from '@angular/common/http';
+import {LocalStorageService} from 'angular-2-local-storage';
+import {ModalService} from '@inst-iot/bosch-angular-ui-components';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+
 
 describe('DataService', () => {
   let service: DataService;
 
   beforeEach(() => {
-    TestBed.configureTestingModule({});
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+
+    TestBed.configureTestingModule({
+      providers: [
+        {provide: ApiService, useValue: apiSpy}
+      ]
+    });
     service = TestBed.inject(DataService);
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
   });
 
   it('should be created', () => {
diff --git a/src/app/services/login.service.spec.ts b/src/app/services/login.service.spec.ts
index d7891fe..90474bb 100644
--- a/src/app/services/login.service.spec.ts
+++ b/src/app/services/login.service.spec.ts
@@ -4,6 +4,8 @@ import { LoginService } from './login.service';
 import {LocalStorageService} from 'angular-2-local-storage';
 import {ApiService} from './api.service';
 
+// TODO
+
 let loginService: LoginService;
 let apiServiceSpy: jasmine.SpyObj<ApiService>;
 let localStorageServiceSpy: jasmine.SpyObj<LocalStorageService>;
diff --git a/src/app/services/validation.service.spec.ts b/src/app/services/validation.service.spec.ts
index 67f8108..28c033c 100644
--- a/src/app/services/validation.service.spec.ts
+++ b/src/app/services/validation.service.spec.ts
@@ -1,6 +1,8 @@
 import { TestBed } from '@angular/core/testing';
 import { ValidationService } from './validation.service';
 
+// TODO
+
 let validationService: ValidationService;
 
 describe('ValidationService', () => {
diff --git a/src/app/settings/settings.component.spec.ts b/src/app/settings/settings.component.spec.ts
index 91588f3..e0e6aff 100644
--- a/src/app/settings/settings.component.spec.ts
+++ b/src/app/settings/settings.component.spec.ts
@@ -1,21 +1,45 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { SettingsComponent } from './settings.component';
+import {ApiService} from '../services/api.service';
+import {LoginService} from '../services/login.service';
+import {Router} from '@angular/router';
+
+// TODO
+
+let routerServiceSpy: jasmine.SpyObj<Router>;
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+let loginServiceSpy: jasmine.SpyObj<LoginService>;
+
 
 describe('SettingsComponent', () => {
   let component: SettingsComponent;
   let fixture: ComponentFixture<SettingsComponent>;
 
   beforeEach(async(() => {
+    const routerSpy = jasmine.createSpyObj('Router', ['navigate']);
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+    const loginSpy = jasmine.createSpyObj('LoginService', ['login', 'canActivate']);
+
     TestBed.configureTestingModule({
-      declarations: [ SettingsComponent ]
+      declarations: [ SettingsComponent ],
+      providers: [
+        {provide: Router, useValue: routerSpy},
+        {provide: ApiService, useValue: apiSpy},
+        {provide: LoginService, useValue: loginSpy},
+      ]
     })
     .compileComponents();
+
+    routerServiceSpy = TestBed.inject(Router) as jasmine.SpyObj<Router>;
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
+    loginServiceSpy = TestBed.inject(LoginService) as jasmine.SpyObj<LoginService>;
   }));
 
   beforeEach(() => {
     fixture = TestBed.createComponent(SettingsComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/templates/templates.component.spec.ts b/src/app/templates/templates.component.spec.ts
index b5c63aa..d603e31 100644
--- a/src/app/templates/templates.component.spec.ts
+++ b/src/app/templates/templates.component.spec.ts
@@ -1,21 +1,51 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { TemplatesComponent } from './templates.component';
+import {LoginService} from '../services/login.service';
+import {ValidationService} from '../services/validation.service';
+import {ApiService} from '../services/api.service';
+import {DataService} from '../services/data.service';
+import {RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
+import {FormsModule} from '@angular/forms';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+let validationServiceSpy: jasmine.SpyObj<ValidationService>;
+let dataServiceSpy: jasmine.SpyObj<DataService>;
 
 describe('TemplatesComponent', () => {
   let component: TemplatesComponent;
   let fixture: ComponentFixture<TemplatesComponent>;
 
   beforeEach(async(() => {
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+    const validationSpy = jasmine.createSpyObj('ValidationService', ['string', 'parameterName', 'parameterRange']);
+    const dataSpy = jasmine.createSpyObj('DataService', ['load', 'idReload']);
+
     TestBed.configureTestingModule({
-      declarations: [ TemplatesComponent ]
+      declarations: [ TemplatesComponent ],
+      imports: [
+        RbUiComponentsModule,
+        FormsModule
+      ],
+      providers: [
+        {provide: ApiService, useValue: apiSpy},
+        {provide: ValidationService, useValue: validationSpy},
+        {provide: DataService, useValue: dataSpy}
+      ]
     })
     .compileComponents();
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
+    validationServiceSpy = TestBed.inject(ValidationService) as jasmine.SpyObj<ValidationService>;
+    dataServiceSpy = TestBed.inject(DataService) as jasmine.SpyObj<DataService>;
   }));
 
   beforeEach(() => {
     fixture = TestBed.createComponent(TemplatesComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/users/users.component.spec.ts b/src/app/users/users.component.spec.ts
index 909b5ba..2842405 100644
--- a/src/app/users/users.component.spec.ts
+++ b/src/app/users/users.component.spec.ts
@@ -1,21 +1,45 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { UsersComponent } from './users.component';
+import {ApiService} from '../services/api.service';
+import {LoginService} from '../services/login.service';
+import {ModalService} from '@inst-iot/bosch-angular-ui-components';
+
+// TODO
+
+let apiServiceSpy: jasmine.SpyObj<ApiService>;
+let modalServiceSpy: jasmine.SpyObj<ModalService>;
+let loginServiceSpy: jasmine.SpyObj<LoginService>;
+
 
 describe('UsersComponent', () => {
   let component: UsersComponent;
   let fixture: ComponentFixture<UsersComponent>;
 
   beforeEach(async(() => {
+    const apiSpy = jasmine.createSpyObj('ApiService', ['post', 'put']);
+    const modalSpy = jasmine.createSpyObj('ModalService', ['open']);
+    const loginSpy = jasmine.createSpyObj('LoginService', ['login', 'canActivate']);
+
     TestBed.configureTestingModule({
-      declarations: [ UsersComponent ]
+      declarations: [ UsersComponent ],
+      providers: [
+        {provide: ApiService, useValue: apiSpy},
+        {provide: ModalService, useValue: modalSpy},
+        {provide: LoginService, useValue: loginSpy},
+      ]
     })
     .compileComponents();
+
+    apiServiceSpy = TestBed.inject(ApiService) as jasmine.SpyObj<ApiService>;
+    modalServiceSpy = TestBed.inject(ModalService) as jasmine.SpyObj<ModalService>;
+    loginServiceSpy = TestBed.inject(LoginService) as jasmine.SpyObj<LoginService>;
   }));
 
   beforeEach(() => {
     fixture = TestBed.createComponent(UsersComponent);
     component = fixture.componentInstance;
+    component.ngOnInit();
     fixture.detectChanges();
   });
 
diff --git a/src/app/validate.directive.spec.ts b/src/app/validate.directive.spec.ts
index 9489d0d..30b9b57 100644
--- a/src/app/validate.directive.spec.ts
+++ b/src/app/validate.directive.spec.ts
@@ -1,8 +1,14 @@
 // import { ValidateDirective } from './validate.directive';
+// import {ValidationService} from './services/validation.service';
+//
+// // TODO
+//
+// const validationSpy = {test: () => {}};
+// const validationServiceSpy: jasmine.SpyObj<any> = spyOn(validationSpy, 'test');
 //
 // describe('ValidateDirective', () => {
 //   it('should create an instance', () => {
-//     const directive = new ValidateDirective();
+//     const directive = new ValidateDirective(validationServiceSpy);
 //     expect(directive).toBeTruthy();
 //   });
 // });