UI-6384 - Test the CLI

package.json

@@ -43,6 +43,7 @@
     "@types/jest": "^26.0.14",
     "antd": "4.12.2",
     "css-loader": "^5.1.3",
+    "execa": "^5.1.1",
     "file-loader": "^6.2.0",
     "fs-extra": "^9.0.0",
     "react": "^17.0.0",

src/cli/bin.ts

@@ -39,6 +39,9 @@ yargs
       const servers = await fs.readJSON(serversPath);
       const migratedUIFolder = migrateUIFolder(legacyUIFolder, servers);
       await fs.writeJSON(outputPath, migratedUIFolder, { spaces: 2 });
+      // FIXME Rely on yargs instead of having to call process.exit manually.
+      // See https://support.activeviam.com/jira/browse/UI-7198
+      process.exit(0);
     }
   )
   .demandCommand(1)

src/cli/cli.test.ts

@@ -0,0 +1,38 @@
+import execa from "execa";
+import fs from "fs-extra";
+import path from "path";
+import pkgDir from "pkg-dir";
+import os from "os";
+
+const binPath = path.join(pkgDir.sync()!, "bin");
+
+// Make sure to rebuild the package before running the test.
+describe("Migration CLI", () => {
+  it("creates a json file corresponding to the input AUI4 content migrated to AUI5", async () => {
+    const pathToTmpDirectory = await fs.mkdtemp(`${os.tmpdir()}${path.sep}`);
+    const outputFileName = "aui5_ui_folder.json";
+    const pathToTmpOutput = path.join(pathToTmpDirectory, outputFileName);
+
+    try {
+      // Migrate through the CLI.
+      await execa("node", [
+        binPath,
+        "-i",
+        path.join(__dirname, "..", "__test_resources__", "aui4_ui_folder.json"),
+        "-s",
+        path.join(__dirname, "..", "__test_resources__", "servers.json"),
+        "-o",
+        pathToTmpOutput,
+      ]);
+
+      const outputFiles = await fs.readdir(pathToTmpDirectory);
+      expect(outputFiles.length).toBe(1);
+      expect(outputFiles[0]).toBe(outputFileName);
+
+      const migratedContent = await fs.readJson(pathToTmpOutput);
+      expect(migratedContent).toMatchSnapshot();
+    } finally {
+      await fs.rm(pathToTmpDirectory, { force: true, recursive: true });
+    }
+  });
+});

yarn.lock

@@ -6858,7 +6858,7 @@ exec-sh@^0.3.2:
   resolved "https://registry.yarnpkg.com/exec-sh/-/exec-sh-0.3.6.tgz#ff264f9e325519a60cb5e273692943483cca63bc"
   integrity sha512-nQn+hI3yp+oD0huYhKwvYI32+JFeq+XkNcD1GAo3Y/MjxsfVGmrrzrnzjWiNY6f+pUCP440fThsFh5gZrRAU/w==
 
-[email protected], execa@^5.0.0:
+[email protected], execa@^5.0.0, execa@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/execa/-/execa-5.1.1.tgz#f80ad9cbf4298f7bd1d4c9555c21e93741c411dd"
   integrity sha512-8uSpZZocAZRBAPIEINJj3Lo9HyGitllczc27Eh5YYojjMFMn8yHMDMaUHE2Jqfq05D/wucwI4JGURyXt1vchyg==