diff --git a/ui/src/app/metadata/configuration/container/configuration.component.spec.ts b/ui/src/app/metadata/configuration/container/configuration.component.spec.ts
index 71bb05ab0..0d2fca0d3 100644
--- a/ui/src/app/metadata/configuration/container/configuration.component.spec.ts
+++ b/ui/src/app/metadata/configuration/container/configuration.component.spec.ts
@@ -59,4 +59,12 @@ describe('Metadata Configuration Page Component', () => {
     it('should load metadata objects', async(() => {
         expect(app).toBeTruthy();
     }));
+
+    describe('hasVersion function', () => {
+        it('should determine if a version is defined', () => {
+            expect(app.hasVersion([[{id: 'foo'}], { version: 'foo' }])).toBe('foo');
+            expect(app.hasVersion([[{ id: 'foo' }], {}])).toBe('foo');
+            expect(app.hasVersion([[], {}])).toBeNull();
+        });
+    });
 });
diff --git a/ui/src/app/metadata/configuration/container/configuration.component.ts b/ui/src/app/metadata/configuration/container/configuration.component.ts
index 7e8d6f443..295f90257 100644
--- a/ui/src/app/metadata/configuration/container/configuration.component.ts
+++ b/ui/src/app/metadata/configuration/container/configuration.component.ts
@@ -22,6 +22,8 @@ export class ConfigurationComponent implements OnDestroy {
     name$: Observable<string>;
     type$: Observable<string>;
 
+    hasVersion = ([collection, params]) => params.version || collection && collection.length > 0 ? collection[0].id : null;
+
     constructor(
         private store: Store<fromConfiguration.ConfigurationState>,
         private routerState: ActivatedRoute
@@ -50,10 +52,8 @@ export class ConfigurationComponent implements OnDestroy {
             withLatestFrom(
                 this.routerState.queryParams
             ),
-            map(([collection, params]) => params.version || collection && collection.length ? collection[0].id : null)
-        ).subscribe(version => {
-            this.store.dispatch(new SelectVersion(version));
-        });
+            map(this.hasVersion)
+        ).subscribe(version => this.store.dispatch(new SelectVersion(version)));
 
         this.name$ = this.store.select(fromReducer.getConfigurationModelName);
         this.type$ = this.store.select(fromReducer.getConfigurationModelType);
diff --git a/ui/src/app/metadata/configuration/container/metadata-xml.component.spec.ts b/ui/src/app/metadata/configuration/container/metadata-xml.component.spec.ts
index c9129dfaa..5e5815c06 100644
--- a/ui/src/app/metadata/configuration/container/metadata-xml.component.spec.ts
+++ b/ui/src/app/metadata/configuration/container/metadata-xml.component.spec.ts
@@ -56,4 +56,11 @@ describe('Metadata Xml Page Component', () => {
         expect(app).toBeTruthy();
         expect(store.select).toHaveBeenCalledTimes(3);
     }));
+
+    describe('preview method', () => {
+        it('should dispatch an action', () => {
+            app.preview();
+            expect(store.dispatch).toHaveBeenCalled();
+        });
+    });
 });
diff --git a/ui/src/app/metadata/configuration/container/restore.component.spec.ts b/ui/src/app/metadata/configuration/container/restore.component.spec.ts
new file mode 100644
index 000000000..433a11ebd
--- /dev/null
+++ b/ui/src/app/metadata/configuration/container/restore.component.spec.ts
@@ -0,0 +1,72 @@
+import { Component, ViewChild, Input } from '@angular/core';
+import { TestBed, async, ComponentFixture } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+import { StoreModule, combineReducers, Store } from '@ngrx/store';
+import { NgbDropdownModule } from '@ng-bootstrap/ng-bootstrap';
+
+import * as fromConfiguration from '../reducer';
+import * as fromProviders from '../../provider/reducer';
+import * as fromResolvers from '../../resolver/reducer';
+import { MockI18nModule } from '../../../../testing/i18n.stub';
+import { RestoreComponent } from './restore.component';
+import { of } from 'rxjs';
+
+@Component({
+    template: `
+        <restore-component></restore-component>
+    `
+})
+class TestHostComponent {
+    @ViewChild(RestoreComponent)
+    public componentUnderTest: RestoreComponent;
+}
+
+describe('Metadata Restore Page Component', () => {
+
+    let fixture: ComponentFixture<TestHostComponent>;
+    let instance: TestHostComponent;
+    let app: RestoreComponent;
+    let store: Store<fromConfiguration.State>;
+
+    beforeEach(async(() => {
+        TestBed.configureTestingModule({
+            imports: [
+                NgbDropdownModule,
+                StoreModule.forRoot({
+                    'metadata-configuration': combineReducers(fromConfiguration.reducers),
+                    'provider': combineReducers(fromProviders.reducers),
+                    'resolver': combineReducers(fromResolvers.reducers)
+                }),
+                MockI18nModule,
+                RouterTestingModule
+            ],
+            declarations: [
+                RestoreComponent,
+                TestHostComponent
+            ],
+        }).compileComponents();
+
+        store = TestBed.get(Store);
+        spyOn(store, 'dispatch');
+        spyOn(store, 'select').and.callFake(() => of(new Date().toDateString()));
+
+        fixture = TestBed.createComponent(TestHostComponent);
+        instance = fixture.componentInstance;
+        app = instance.componentUnderTest;
+        fixture.detectChanges();
+    }));
+
+    it('should load metadata objects', async(() => {
+        expect(app).toBeTruthy();
+        expect(store.select).toHaveBeenCalledTimes(4);
+        expect(store.dispatch).not.toHaveBeenCalled();
+    }));
+
+    describe('restore method', () => {
+        it('should emit a value from the restore subject', () => {
+            spyOn(app.subj, 'next').and.callThrough();
+            app.restore();
+            expect(app.subj.next).toHaveBeenCalled();
+        });
+    });
+});
diff --git a/ui/src/app/metadata/configuration/container/restore.component.ts b/ui/src/app/metadata/configuration/container/restore.component.ts
index feffeb71b..69c6a6f18 100644
--- a/ui/src/app/metadata/configuration/container/restore.component.ts
+++ b/ui/src/app/metadata/configuration/container/restore.component.ts
@@ -16,7 +16,7 @@ import { withLatestFrom, map, takeUntil } from 'rxjs/operators';
 })
 export class RestoreComponent implements OnDestroy {
 
-    private subj = new Subject<any>();
+    readonly subj = new Subject<any>();
     restore$ = this.subj.asObservable();
 
     date$ = this.store.select(fromConfiguration.getConfigurationVersionDate);
diff --git a/ui/src/app/metadata/configuration/service/history.service.spec.ts b/ui/src/app/metadata/configuration/service/history.service.spec.ts
index 0e8bc77a4..0927f8e70 100644
--- a/ui/src/app/metadata/configuration/service/history.service.spec.ts
+++ b/ui/src/app/metadata/configuration/service/history.service.spec.ts
@@ -1,7 +1,10 @@
 import { TestBed, async, inject } from '@angular/core/testing';
-import { HttpClientModule } from '@angular/common/http';
+import { HttpClientModule, HttpRequest } from '@angular/common/http';
 import { HttpTestingController, HttpClientTestingModule } from '@angular/common/http/testing';
 import { MetadataHistoryService } from './history.service';
+import { of } from 'rxjs';
+import { PATHS } from '../configuration.values';
+import { Metadata } from '../../domain/domain.type';
 
 describe(`Attributes Service`, () => {
     beforeEach(() => {
@@ -25,4 +28,73 @@ describe(`Attributes Service`, () => {
             }
         )));
     });
+
+    describe('getVersions method', () => {
+        it(`should join a list of observables`, async(inject([MetadataHistoryService, HttpTestingController],
+            (service: MetadataHistoryService) => {
+                spyOn(service, 'getVersion').and.returnValue(of());
+                service.getVersions('foo', ['abc', 'def'], 'resolver').subscribe(history => {
+                    expect(service.getVersion).toHaveBeenCalledTimes(2);
+                });
+            }
+        )));
+    });
+
+    describe('getVersion method', () => {
+        it(`should get the primary version of the resource`, async(inject([MetadataHistoryService, HttpTestingController],
+            (service: MetadataHistoryService, backend: HttpTestingController) => {
+                const resourceId = 'foo';
+                const type = 'resource';
+                service.getVersion(resourceId, type).subscribe();
+                backend.expectOne((req: HttpRequest<any>) => {
+                    return req.url === `/${service.base}/${PATHS[type]}/${resourceId}`
+                        && req.method === 'GET';
+                }, `GET schema by path`);
+            }
+        )));
+        it(`should get the provided version of the resource`, async(inject([MetadataHistoryService, HttpTestingController],
+            (service: MetadataHistoryService, backend: HttpTestingController) => {
+                const resourceId = 'foo';
+                const type = 'resource';
+                const versionId = '1';
+                service.getVersion(resourceId, type, versionId).subscribe();
+                backend.expectOne((req: HttpRequest<any>) => {
+                    return req.url === `/${service.base}/${PATHS[type]}/${resourceId}/${service.path}/${versionId}`
+                        && req.method === 'GET';
+                }, `GET schema by path`);
+            }
+        )));
+    });
+
+    describe('updateVersion method', () => {
+        it(`should send a put request`, async(inject([MetadataHistoryService, HttpTestingController],
+            (service: MetadataHistoryService, backend: HttpTestingController) => {
+                const resourceId = 'foo';
+                const type = 'resource';
+                const versionId = '1';
+                service.updateVersion(resourceId, type, {} as Metadata).subscribe();
+                backend.expectOne((req: HttpRequest<any>) => {
+                    return req.url === `/${service.base}/${PATHS[type]}/${resourceId}`
+                        && req.method === 'PUT';
+                }, `PUT schema by path`);
+            }
+        )));
+    });
+
+    describe('restoreVersion method', () => {
+        it(`should send a put request`, async(inject([MetadataHistoryService, HttpTestingController],
+            (service: MetadataHistoryService, backend: HttpTestingController) => {
+                const resourceId = 'foo';
+                const type = 'resource';
+                const versionId = '1';
+                const response = {version: 'bar'} as Metadata;
+                spyOn(service, 'getVersions').and.returnValue(of([response, { ...response, version: 'foo' }]));
+                spyOn(service, 'updateVersion').and.returnValue(of(response));
+                service.restoreVersion(resourceId, type, versionId).subscribe(updated => {
+                    expect(service.getVersions).toHaveBeenCalled();
+                    expect(service.updateVersion).toHaveBeenCalled();
+                });
+            }
+        )));
+    });
 });