Initial commit (docker/build-push-action#87)

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

__tests__/buildx.test.ts

@@ -0,0 +1,37 @@
+import fs = require('fs');
+import * as buildx from '../src/buildx';
+import * as path from 'path';
+import * as os from 'os';
+
+const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'setup-buildx-'));
+
+describe('buildx', () => {
+  it('is available', async () => {
+    expect(await buildx.isAvailable()).toBe(true);
+  }, 100000);
+
+  it('count builders', async () => {
+    const countBuilders = await buildx.countBuilders();
+    console.log(`countBuilders: ${countBuilders}`);
+    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);
+
+  it('acquires v0.2.2 version of buildx', async () => {
+    const buildxBin = await buildx.install('v0.2.2', tmpDir);
+    console.log(buildxBin);
+    expect(fs.existsSync(buildxBin)).toBe(true);
+  }, 100000);
+
+  it('acquires latest version of buildx', async () => {
+    const buildxBin = await buildx.install('latest', tmpDir);
+    console.log(buildxBin);
+    expect(fs.existsSync(buildxBin)).toBe(true);
+  }, 100000);
+});

__tests__/github.test.ts

@@ -0,0 +1,17 @@
+import * as github from '../src/github';
+
+describe('github', () => {
+  it('returns latest buildx GitHub release', async () => {
+    const release = await github.getRelease('latest');
+    console.log(release);
+    expect(release).not.toBeNull();
+    expect(release?.tag_name).not.toEqual('');
+  });
+
+  it('returns v0.2.2 buildx GitHub release', async () => {
+    const release = await github.getRelease('v0.2.2');
+    console.log(release);
+    expect(release).not.toBeNull();
+    expect(release?.tag_name).toEqual('v0.2.2');
+  });
+});