Add e2e tests for setup-ci command

test/e2e/setup-ci.e2e.spec.js

@@ -0,0 +1,82 @@
+import { describe, it, before, beforeEach, afterEach } from "node:test";
+import { DockerTestContainer } from "./DockerTestContainer.js";
+import assert from "node:assert";
+
+describe("E2E: safe-chain setup-ci command", () => {
+  let container;
+
+  before(async () => {
+    DockerTestContainer.buildImage();
+  });
+
+  beforeEach(async () => {
+    container = new DockerTestContainer();
+    await container.start();
+  });
+
+  afterEach(async () => {
+    if (container) {
+      await container.stop();
+      container = null;
+    }
+  });
+
+  for (let shell of ["bash", "zsh"]) {
+    it(`safe-chain setup-ci wraps npm command with PATH shim after installation for ${shell}`, async () => {
+      // setting up the container
+      const installationShell = await container.openShell(shell);
+      await installationShell.runCommand("safe-chain setup-ci");
+
+      // Add $HOME/.safe-chain/shims to PATH for the test commands
+      // Usually this would be done by adding ENV in a Dockerfile, or by
+      // the CI system picking up GITHUB_PATH or similar. Here we do it manually
+      // to simulate the effect.
+      await installationShell.runCommand(
+        "echo 'export PATH=\"$HOME/.safe-chain/shims:$PATH\"' >> ~/.zshrc"
+      );
+      await installationShell.runCommand(
+        "echo 'export PATH=\"$HOME/.safe-chain/shims:$PATH\"' >> ~/.bashrc"
+      );
+
+      const projectShell = await container.openShell(shell);
+      const result = await projectShell.runCommand("npm i axios");
+
+      const hasExpectedOutput = result.output.includes(
+        "Scanning for malicious packages..."
+      );
+      assert.ok(
+        hasExpectedOutput,
+        hasExpectedOutput
+          ? "Expected npm command to be wrapped by safe-chain"
+          : `Output did not contain "Scanning for malicious packages...": \n${result.output}`
+      );
+    });
+  }
+
+  it("writes to GITHUB_PATH when GITHUB_PATH is set", async () => {
+    const installationShell = await container.openShell("zsh");
+    await installationShell.runCommand("export GITHUB_PATH=/tmp/github_path");
+    await installationShell.runCommand("safe-chain setup-ci");
+
+    const result = await installationShell.runCommand(
+      "cat /tmp/github_path | grep '.safe-chain/shims'"
+    );
+
+    assert.ok(
+      result.output.includes("/root/.safe-chain/shims"),
+      `GITHUB_PATH did not contain expected shim path. Output was:\n${result.output}`
+    );
+  });
+
+  it("writes ##vso[task.prependpath] when TF_BUILD is set", async () => {
+    const installationShell = await container.openShell("zsh");
+    await installationShell.runCommand("export TF_BUILD=true");
+
+    var result = await installationShell.runCommand("safe-chain setup-ci");
+
+    assert.ok(
+      result.output.includes("##vso[task.prependpath]/root/.safe-chain/shims"),
+      `TF_BUILD did not contain expected prepend path. Output was:\n${result.output}`
+    );
+  });
+});