Expand objects in HTTP request error messages

CHANGELOG.md

@@ -9,6 +9,8 @@ and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ### Fixed
 
+- Fixed the HTTP client error messages to expand objects [#252](https://github.com/Shopify/shopify-node-api/pull/252)
+
 ## [1.4.2] - 2021-10-20
 
 - Added `October21` to `ApiVersion` [#247](https://github.com/Shopify/shopify-node-api/pull/247)

src/clients/http_client/http_client.ts

@@ -223,7 +223,7 @@ class HttpClient {
         } else {
           const errorMessages: string[] = [];
           if (body.errors) {
-            errorMessages.push(body.errors);
+            errorMessages.push(JSON.stringify(body.errors, null, 2));
           }
           if (response.headers && response.headers.get('x-request-id')) {
             errorMessages.push(
@@ -234,7 +234,7 @@ class HttpClient {
           }
 
           const errorMessage = errorMessages.length
-            ? `: ${errorMessages.join('. ')}`
+            ? `:\n${errorMessages.join('\n')}`
             : '';
           switch (true) {
             case response.status === StatusCode.TooManyRequests: {

src/clients/http_client/test/http_client.test.ts

@@ -664,6 +664,57 @@ describe('HTTP client', () => {
     );
     expect(fileContent).toContain(`Stack Trace: Error:`);
   });
+
+  it('properly encodes strings in the error message', async () => {
+    setRestClientRetryTime(0);
+    const client = new HttpClient(domain);
+
+    fetchMock.mockResponses(
+      [
+        JSON.stringify({errors: 'Something went wrong'}),
+        {status: 500, statusText: 'Did not work'},
+      ],
+    );
+
+    let caught = false;
+    await client.get({path: '/url/path'}).then(() => fail('Expected request to fail')).catch((error) => {
+      caught = true;
+      expect(error).toBeInstanceOf(ShopifyErrors.HttpInternalError);
+      expect(error.message).toEqual(
+        `Shopify internal error:` +
+        `\n"Something went wrong"`,
+      );
+    });
+    expect(caught).toEqual(true);
+    assertHttpRequest({method: 'GET', domain, path: '/url/path'});
+  });
+
+  it('properly encodes objects in the error message', async () => {
+    setRestClientRetryTime(0);
+    const client = new HttpClient(domain);
+
+    fetchMock.mockResponses(
+      [
+        JSON.stringify({errors: {title: 'Invalid title', description: 'Invalid description'}}),
+        {status: 500, statusText: 'Did not work'},
+      ],
+    );
+
+    let caught = false;
+    await client.get({path: '/url/path'}).then(() => fail('Expected request to fail')).catch((error) => {
+      caught = true;
+      expect(error).toBeInstanceOf(ShopifyErrors.HttpInternalError);
+      expect(error.message).toEqual(
+        `Shopify internal error:` +
+        `\n{` +
+        `\n  "title": "Invalid title",` +
+        `\n  "description": "Invalid description"` +
+        `\n}`,
+      );
+    });
+    expect(caught).toEqual(true);
+    assertHttpRequest({method: 'GET', domain, path: '/url/path'});
+  });
 });
 
 function setRestClientRetryTime(time: number) {