Test setup

.gitignore

@@ -2,4 +2,5 @@ node_modules
 .env
 *.graphql
 .cache
+*.log
 public/

plugin/.gitignore

@@ -1,4 +1,6 @@
 *.js
 *.js.map
 *.d.ts
-README.md
+README.md
+
+!jest.config.js

plugin/jest.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};

plugin/package.json

@@ -3,9 +3,10 @@
   "version": "1.12.6",
   "description": "",
   "scripts": {
-    "watch": "tsc-watch",
-    "build": "tsc",
-    "prepublish": "yarn build && cp ../README.md ."
+    "watch": "tsc-watch --outDir .",
+    "build": "tsc --outDir .",
+    "prepublish": "yarn build && cp ../README.md .",
+    "test": "jest"
   },
   "repository": {
     "type": "git",
@@ -22,8 +23,12 @@
     "node-fetch": "^2.6.1"
   },
   "devDependencies": {
+    "@types/jest": "^26.0.20",
     "gatsby-plugin-image": "^1.0.0-next.2",
+    "jest": "^26.6.3",
+    "msw": "^0.27.1",
     "prettier": "^2.2.1",
+    "ts-jest": "^26.5.3",
     "tsc-watch": "^4.2.9",
     "typescript": "^4.2.3"
   },

plugin/test/sample-test.spec.ts

@@ -0,0 +1,47 @@
+import { graphql } from "msw";
+import { SourceNodesArgs } from "gatsby";
+import { setupServer } from "msw/node";
+import { createOperations } from "../src/operations";
+
+const server = setupServer(
+  graphql.query("OPERATION_BY_ID", (req, res, ctx) => {
+    return res(
+      ctx.data({
+        node: {
+          id: req.body?.variables?.id,
+          status: `COMPLETED`,
+        },
+      })
+    );
+  })
+);
+
+beforeAll(() => {
+  server.listen();
+});
+
+afterAll(() => {
+  server.close();
+});
+
+test("Sample test", async () => {
+  const mock = jest.fn().mockImplementation(() => ({
+    reporter: {},
+  }));
+
+  const args = mock as jest.Mock<SourceNodesArgs>;
+
+  const operations = createOperations(
+    {
+      apiKey: "12345",
+      password: "12345",
+      storeUrl: "my-shop.shopify.com",
+    },
+    args()
+  );
+
+  const resp = await operations.completedOperation(`12345`);
+
+  expect(resp.node.status).toEqual(`COMPLETED`);
+  expect(resp.node.id).toEqual(`12345`);
+});

plugin/test/tsconfig.json

@@ -0,0 +1,3 @@
+{
+  "include": ["../**/*.ts"]
+}

plugin/tsconfig.json

@@ -1,6 +1,6 @@
 {
   "include": ["src/**/*.ts", "types"],
-  "exclude": ["node_modules", "test/**/*.ts"],
+  "exclude": ["node_modules"],
   "compilerOptions": {
     "strict": true,
     "noUnusedLocals": true,
@@ -12,7 +12,6 @@
     "skipLibCheck": true,
     "esModuleInterop": true,
     "sourceMap": true,
-    "outDir": "./",
     "target": "es2017",
     "declaration": true,
     "lib": ["es2017", "dom", "esnext.asynciterable"]