Simplify

packages/server/src/integration-test/postgres.spec.ts

@@ -26,6 +26,8 @@ jest.setTimeout(30000)
 jest.unmock("pg")
 jest.mock("../websockets")
 
+const provider = new PostgresProvider()
+
 describe("postgres integrations", () => {
   let makeRequest: MakeRequestResponse,
     postgresDatasource: Datasource,
@@ -34,11 +36,7 @@ describe("postgres integrations", () => {
     manyToOneRelationshipInfo: ForeignTableInfo,
     manyToManyRelationshipInfo: ForeignTableInfo
 
-  let provider: PostgresProvider
-
   beforeAll(async () => {
-    provider = await PostgresProvider.init()
-
     await config.init()
     const apiKey = await config.generateApiKey()
 
@@ -47,7 +45,7 @@ describe("postgres integrations", () => {
 
   beforeEach(async () => {
     postgresDatasource = await config.api.datasource.create(
-      provider.getDsConfig()
+      await provider.getDsConfig()
     )
 
     async function createAuxTable(prefix: string) {
@@ -1006,14 +1004,14 @@ describe("postgres integrations", () => {
   describe("POST /api/datasources/verify", () => {
     it("should be able to verify the connection", async () => {
       const response = await config.api.datasource.verify({
-        datasource: provider.getDsConfig(),
+        datasource: await provider.getDsConfig(),
       })
       expect(response.status).toBe(200)
       expect(response.body.connected).toBe(true)
     })
 
     it("should state an invalid datasource cannot connect", async () => {
-      const dbConfig = provider.getDsConfig()
+      const dbConfig = await provider.getDsConfig()
       const response = await config.api.datasource.verify({
         datasource: {
           ...dbConfig,

packages/server/src/integrations/tests/utils/index.ts

@@ -2,5 +2,5 @@ import { Datasource } from "@budibase/types"
 export * from "./postgres"
 
 export interface DatabasePlusTestProvider {
-  getDsConfig(): Datasource
+  getDsConfig(): Promise<Datasource>
 }

packages/server/src/integrations/tests/utils/postgres.ts

@@ -1,40 +1,33 @@
 import { Datasource, SourceName } from "@budibase/types"
-import { GenericContainer, Wait } from "testcontainers"
+import { GenericContainer, Wait, StartedTestContainer } from "testcontainers"
 import { DatabasePlusTestProvider } from "."
 
 export class PostgresProvider implements DatabasePlusTestProvider {
-  private host: string
-  private port: number
+  private container?: StartedTestContainer
 
-  private constructor(host: string, port: number) {
-    this.host = host
-    this.port = port
-  }
-
-  static async init() {
-    const containerPostgres = await new GenericContainer("postgres")
-      .withExposedPorts(5432)
-      .withEnv("POSTGRES_PASSWORD", "password")
-      .withWaitStrategy(
-        Wait.forLogMessage(
-          "PostgreSQL init process complete; ready for start up."
+  async getDsConfig(): Promise<Datasource> {
+    if (!this.container) {
+      this.container = await new GenericContainer("postgres")
+        .withExposedPorts(5432)
+        .withEnv("POSTGRES_PASSWORD", "password")
+        .withWaitStrategy(
+          Wait.forLogMessage(
+            "PostgreSQL init process complete; ready for start up."
+          )
         )
-      )
-      .start()
+        .start()
+    }
 
-    const host = containerPostgres.getContainerIpAddress()
-    const port = containerPostgres.getMappedPort(5432)
-    return new PostgresProvider(host, port)
-  }
+    const host = this.container.getContainerIpAddress()
+    const port = this.container.getMappedPort(5432)
 
-  getDsConfig(): Datasource {
     return {
       type: "datasource_plus",
       source: SourceName.POSTGRES,
       plus: true,
       config: {
-        host: this.host,
-        port: this.port,
+        host,
+        port,
         database: "postgres",
         user: "postgres",
         password: "password",