Add parralelization

urql-graphql · Apr 7, 2020 · c947812 · c947812
1 parent 7d9c61b
commit c947812
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Showing 3 changed files with 24 additions and 1 deletion.
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -51,6 +51,7 @@ jobs:
       - run: TZ=Europe/London yarn run test --coverage
 
   visual regression:
+    parallelism: 4
     machine:
       image: ubuntu-1604:201903-01
     steps:

diff --git a/docker-compose.yml b/docker-compose.yml
@@ -20,6 +20,8 @@ services:
     environment:
       - TARGET_HOST=cosmos:5000
       - USER=root
+      - CIRCLE_NODE_TOTAL
+      - CIRCLE_NODE_INDEX
     entrypoint: ["/bin/bash", "-c"]
     command:
       - npx wait-on http://cosmos:5000 && yarn jest --clearCache && yarn run visual-regression-exec

diff --git a/src/panel/visual-regression.test.ts b/src/panel/visual-regression.test.ts
@@ -40,7 +40,27 @@ beforeAll(async () => {
   jest.setTimeout(60000);
 });
 
-describe.each(fixtures)("%s", (id, url) => {
+/** Parallelize for CircleCI */
+const parallelize = (arr: any[]) => {
+  try {
+    if (!process.env.CIRCLE_NODE_TOTAL) {
+      throw Error();
+    }
+
+    const total = parseInt(process.env.CIRCLE_NODE_TOTAL);
+    const index = parseInt(process.env.CIRCLE_NODE_INDEX);
+    const interval = Math.round((arr.length * 1) / total);
+
+    const start = index * interval;
+    const end = index === total - 1 ? arr.length + 1 : interval * (index + 1);
+
+    return arr.slice(start, end);
+  } catch (err) {
+    return arr;
+  }
+};
+
+describe.each(parallelize(fixtures))("%s", (id, url) => {
   it("matches snapshot", async () => {
     await page.goto(url, { waitUntil: "load" });
     await page.mouse.move(0, 0);