diff --git a/test/is-docker.test.ts b/test/is-docker.test.ts
deleted file mode 100644
index 62dc374c29..0000000000
--- a/test/is-docker.test.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import { test } from 'tap';
-import * as sinon from 'sinon';
-import * as fs from 'fs';
-import * as path from 'path';
-
-import { isDocker } from '../src/lib/is-docker';
-
-test('inside a Docker container (.dockerenv test)', async (t) => {
-  delete require.cache[path.join(__dirname, 'index.js')];
-  const statSyncStub = sinon.stub(fs, 'statSync').returns({} as any);
-  t.true(isDocker());
-  statSyncStub.restore();
-});
-
-test('inside a Docker container (cgroup test)', async (t) => {
-  delete require.cache[path.join(__dirname, 'index.js')];
-
-  const statSyncStub = sinon.stub(fs, 'statSync');
-  statSyncStub
-    .withArgs('/.dockerenv')
-    .throws("ENOENT, no such file or directory '/.dockerinit'");
-  const readFileSyncStub = sinon.stub(fs, 'readFileSync');
-  readFileSyncStub
-    .withArgs('/proc/self/cgroup', 'utf8')
-    .returns('xxx docker yyyy');
-
-  t.true(isDocker());
-
-  statSyncStub.restore();
-  readFileSyncStub.restore();
-});
-
-test('not inside a Docker container', async (t) => {
-  delete require.cache[path.join(__dirname, 'index.js')];
-
-  const statSyncStub = sinon.stub(fs, 'statSync');
-  statSyncStub
-    .withArgs('/.dockerenv')
-    .throws("ENOENT, no such file or directory '/.dockerinit'");
-  const readFileSyncStub = sinon.stub(fs, 'readFileSync');
-  readFileSyncStub.throws('ENOENT, no such file or directory');
-
-  t.false(isDocker());
-  statSyncStub.restore();
-});
diff --git a/test/jest/unit/is-docker.spec.ts b/test/jest/unit/is-docker.spec.ts
new file mode 100644
index 0000000000..15d7b72d66
--- /dev/null
+++ b/test/jest/unit/is-docker.spec.ts
@@ -0,0 +1,56 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+import { isDocker } from '../../../src/lib/is-docker';
+
+describe('isDocker', () => {
+  afterEach(() => {
+    jest.restoreAllMocks();
+  });
+
+  it('inside a Docker container (.dockerenv test)', async () => {
+    delete require.cache[path.join(__dirname, 'index.js')];
+    const statSyncSpy = jest.spyOn(fs, 'statSync').mockReturnValue({} as any);
+    expect(isDocker()).toBeTruthy();
+    expect(statSyncSpy).toHaveBeenCalledTimes(1);
+    expect(statSyncSpy).toHaveBeenLastCalledWith('/.dockerenv');
+  });
+
+  it('inside a Docker container (cgroup test)', async () => {
+    delete require.cache[path.join(__dirname, 'index.js')];
+
+    const statSyncSpy = jest.spyOn(fs, 'statSync');
+    const readFileSyncSpy = jest.spyOn(fs, 'readFileSync');
+
+    statSyncSpy.mockImplementationOnce((path): any => {
+      if (path === '/.dockerenv') {
+        throw new Error("ENOENT, no such file or directory '/.dockerinit'");
+      }
+    });
+
+    readFileSyncSpy.mockImplementationOnce((path, options): any => {
+      if (path === '/proc/self/cgroup' && options === 'utf8') {
+        return 'xxx docker yyyy';
+      }
+    });
+
+    expect(isDocker()).toEqual(true);
+  });
+
+  it('not inside a Docker container', async () => {
+    const statSyncSpy = jest.spyOn(fs, 'statSync');
+    const readFileSync = jest.spyOn(fs, 'readFileSync');
+
+    statSyncSpy.mockImplementationOnce((path): any => {
+      if (path === '/.dockerenv') {
+        throw new Error("ENOENT, no such file or directory '/.dockerinit'");
+      }
+    });
+
+    readFileSync.mockImplementationOnce((): any => {
+      throw new Error("ENOENT, no such file or directory '/.dockerinit'");
+    });
+
+    expect(isDocker()).toEqual(false);
+  });
+});