feat: add test framework (#48)

* Add test framework

* Add aws-region tests

* Add azure-region tests

* Update CONTRIBUTING.md

* Add formatting

* Improve fmt

* Format Terraform

git-clone/main.test.ts

@@ -0,0 +1,39 @@
+import { describe, expect, it } from "bun:test";
+import {
+  executeScriptInContainer,
+  runTerraformApply,
+  runTerraformInit,
+  testRequiredVariables,
+} from "../test";
+
+describe("git-clone", async () => {
+  await runTerraformInit(import.meta.dir);
+
+  testRequiredVariables(import.meta.dir, {
+    agent_id: "foo",
+    url: "foo",
+  });
+
+  it("fails without git", async () => {
+    const state = await runTerraformApply(import.meta.dir, {
+      agent_id: "foo",
+      url: "some-url",
+    });
+    const output = await executeScriptInContainer(state, "alpine");
+    expect(output.exitCode).toBe(1);
+    expect(output.stdout).toEqual(["Git is not installed!"]);
+  });
+
+  it("runs with git", async () => {
+    const state = await runTerraformApply(import.meta.dir, {
+      agent_id: "foo",
+      url: "fake-url",
+    });
+    const output = await executeScriptInContainer(state, "alpine/git");
+    expect(output.exitCode).toBe(128);
+    expect(output.stdout).toEqual([
+      "Creating directory ~/fake-url...",
+      "Cloning fake-url to ~/fake-url...",
+    ]);
+  });
+});