Add and refactor tests

src/core/client/framework/testHelpers/createRelayEnvironment.ts

@@ -0,0 +1,78 @@
+import { IResolvers } from "graphql-tools";
+import { createFetch } from "relay-local-schema";
+import {
+  commitLocalUpdate,
+  Environment,
+  Network,
+  RecordProxy,
+  RecordSource,
+  RecordSourceProxy,
+  Store,
+} from "relay-runtime";
+
+import {
+  createAndRetain,
+  LOCAL_ID,
+  LOCAL_TYPE,
+  wrapFetchWithLogger,
+} from "talk-framework/lib/relay";
+
+import { loadSchema } from "talk-common/graphql";
+
+export interface CreateRelayEnvironmentNetworkParams {
+  /** project name of graphql-config */
+  projectName: string;
+  /** graphql resolvers */
+  resolvers: IResolvers<any, any>;
+  /** If enabled, graphql responses will be logged to the console */
+  logNetwork?: boolean;
+}
+
+export interface CreateRelayEnvironmentParams {
+  /** If set, creates a network to a local graphql server with a local schema */
+  network?: CreateRelayEnvironmentNetworkParams;
+  /** Allows to set initial state for Local state */
+  initLocalState?: (
+    local: RecordProxy,
+    source: RecordSourceProxy,
+    environment: Environment
+  ) => void;
+  /** Use this source for creating the environment */
+  source?: RecordSource;
+}
+
+/**
+ * create Relay environment for tests environments.
+ */
+export default function createRelayEnvironment(
+  params: CreateRelayEnvironmentParams = {}
+) {
+  let network: Network = null as any;
+  if (params.network) {
+    const schema = loadSchema(
+      params.network.projectName,
+      params.network.resolvers
+    );
+    network = Network.create(
+      wrapFetchWithLogger(createFetch({ schema }), params.network.logNetwork)
+    );
+  }
+  const environment = new Environment({
+    network,
+    store: new Store(params.source || new RecordSource()),
+  });
+  commitLocalUpdate(environment, sourceProxy => {
+    const root = sourceProxy.getRoot();
+    const localRecord = createAndRetain(
+      environment,
+      sourceProxy,
+      LOCAL_ID,
+      LOCAL_TYPE
+    );
+    root.setLinkedRecord(localRecord, "local");
+    if (params.initLocalState) {
+      params.initLocalState!(localRecord, sourceProxy, environment);
+    }
+  });
+  return environment;
+}

src/core/client/framework/testHelpers/index.ts

@@ -0,0 +1,4 @@
+export {
+  default as createRelayEnvironment,
+  CreateRelayEnvironmentParams,
+} from "./createRelayEnvironment";