Fix yarn test for container based dev flow

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

Dockerfile

@@ -4,7 +4,7 @@ FROM node:14 AS deps
 WORKDIR /src
 COPY package.json yarn.lock ./
 RUN --mount=type=cache,target=/usr/local/share/.cache/yarn \
-  yarn install 
+  yarn install
 
 FROM scratch AS update-yarn
 COPY --from=deps /src/yarn.lock /
@@ -26,9 +26,9 @@ ARG BUILDX_VERSION=v0.4.2
 ENV RUNNER_TEMP=/tmp/github_runner
 ENV RUNNER_TOOL_CACHE=/tmp/github_tool_cache
 RUN mkdir -p /usr/local/lib/docker/cli-plugins && \
-  curl -fsSL https://github.com/docker/buildx/releases/download/$BUILDX_VERSION/buildx-$BUILDX_VERSION.$TARGETOS-$TARGETARCH > /usr/local/lib/docker/cli-plugins/buildx && \
-  chmod +x /usr/local/lib/docker/cli-plugins/buildx && \
-  docker buildx --version && env
+  curl -fsSL https://github.com/docker/buildx/releases/download/$BUILDX_VERSION/buildx-$BUILDX_VERSION.$TARGETOS-$TARGETARCH > /usr/local/lib/docker/cli-plugins/docker-buildx && \
+  chmod +x /usr/local/lib/docker/cli-plugins/docker-buildx && \
+  docker buildx version
 COPY . .
 RUN yarn run test
 

__tests__/buildx.test.ts

@@ -1,4 +1,5 @@
 import fs = require('fs');
+import * as docker from '../src/docker';
 import * as buildx from '../src/buildx';
 import * as path from 'path';
 import * as os from 'os';
@@ -6,6 +7,10 @@ import * as os from 'os';
 const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'setup-buildx-'));
 
 describe('buildx', () => {
+  async function isDaemonRunning() {
+    return await docker.isDaemonRunning();
+  }
+
   it('is available', async () => {
     expect(await buildx.isAvailable()).toBe(true);
   }, 100000);
@@ -16,12 +21,16 @@ describe('buildx', () => {
     expect(countBuilders).toBeGreaterThan(0);
   }, 100000);
 
-  it('platforms', async () => {
-    const platforms = await buildx.platforms();
-    console.log(`platforms: ${platforms}`);
-    expect(platforms).not.toBeUndefined();
-    expect(platforms).not.toEqual('');
-  }, 100000);
+  (isDaemonRunning() ? it : it.skip)(
+    'platforms',
+    async () => {
+      const platforms = buildx.platforms();
+      console.log(`platforms: ${platforms}`);
+      expect(platforms).not.toBeUndefined();
+      expect(platforms).not.toEqual('');
+    },
+    100000
+  );
 
   it('acquires v0.2.2 version of buildx', async () => {
     const buildxBin = await buildx.install('v0.2.2', tmpDir);

src/docker.ts

@@ -0,0 +1,7 @@
+import * as exec from './exec';
+
+export async function isDaemonRunning(): Promise<boolean> {
+  return await exec.exec(`docker`, ['version', '--format', '{{.Server.Os}}'], true).then(res => {
+    return !res.stdout.includes(' ') && res.success;
+  });
+}