move client from separate repo

client/tests/mocks/bootstrapper.mock.ts

@@ -0,0 +1,26 @@
+import { Bootstrapper, DBCache } from '../../lib/patch-db'
+
+export class MockBootstrapper<T> implements Bootstrapper<T> {
+
+  constructor (
+    private sequence: number = 0,
+    private data: T = { } as T,
+  ) { }
+
+  async init (): Promise<DBCache<T>> {
+    return {
+      sequence: this.sequence,
+      data: this.data as T,
+    }
+  }
+
+  async update (cache: DBCache<T>): Promise<void> {
+    this.sequence = cache.sequence
+    this.data = cache.data
+  }
+
+  async clear (): Promise<void> {
+    this.sequence = 0
+    this.data = { } as T
+  }
+}

client/tests/mocks/http.mock.ts

@@ -0,0 +1,17 @@
+import { Http } from '../../lib/patch-db'
+import { Revision, Dump } from '../../lib/sequence-store'
+
+export class MockHttp<T> implements Http<T> {
+  constructor (private readonly mockData: {
+    getSequences: Revision[],
+    getDump: Dump<T>
+  }) {  }
+
+  getRevisions (): Promise<Revision[]> {
+    return Promise.resolve(this.mockData.getSequences)
+  }
+
+  getDump (): Promise<Dump<T>> {
+    return Promise.resolve(this.mockData.getDump)
+  }
+}

client/tests/mocks/source.mock.ts

@@ -0,0 +1,18 @@
+import { Observable } from 'rxjs'
+import { UpdateReal } from '../../lib/sequence-store'
+import { Source } from '../../lib/source/source'
+
+export class MockSource<T> implements Source<T> {
+
+  constructor (
+    private readonly mockData: Observable<UpdateReal<T>>,
+  ) { }
+
+  watch$ (): Observable<UpdateReal<T>> {
+    return this.mockData
+  }
+
+  start (): void {  }
+
+  stop (): void {  }
+}