'initial commit'

utils.test.ts

@@ -1,4 +1,8 @@
-import { getChangelogEntry, BumpLevels } from "./utils";
+import { getChangelogEntry, BumpLevels, getChangedPackages } from "./utils";
+import tempy from "tempy";
+import { exec } from "@actions/exec";
+import * as fs from "fs-extra";
+import path from "path";
 
 let changelog = `# @keystone-alpha/email
 
@@ -78,3 +82,25 @@ test("it works", () => {
   expect(entry.content).toMatchSnapshot();
   expect(entry.highestLevel).toBe(BumpLevels.patch);
 });
+
+test("getChangedPackages works", async () => {
+  let dir = tempy.directory();
+  await exec("git", ["init"], { cwd: dir });
+  await fs.writeJson(path.join(dir, "package.json"), {
+    name: "some-package",
+    version: "1.0.0"
+  });
+  await exec("git", ["add", "."]);
+  await exec("git", ["commit", "-m", "'initial commit'"]);
+  let emptyWorkspaces = await getChangedPackages(dir);
+  expect(emptyWorkspaces).toEqual([]);
+  let workspace = {
+    name: "some-package",
+    version: "2.0.0"
+  };
+  await fs.writeJson(path.join(dir, "package.json"), workspace);
+  let workspaces = await getChangedPackages(dir);
+  expect(workspaces).toEqual([
+    { name: "some-package", dir, config: workspace }
+  ]);
+});