Base implementation

test/service/runner/gha-runner.test.ts

@@ -0,0 +1,101 @@
+import ArgsParser from "@bp/service/args/args-parser";
+import Runner from "@bp/service/runner/runner";
+import GitCLIService from "@bp/service/git/git-cli";
+import GitHubService from "@bp/service/git/github/github-service";
+import GHAArgsParser from "@bp/service/args/gha/gha-args-parser";
+import { spyGetInput } from "../../support/utils";
+import { setupMoctokit } from "../../support/moctokit/moctokit-support";
+
+jest.mock("@bp/service/git/git-cli");
+jest.spyOn(GitHubService.prototype, "createPullRequest");
+
+let parser: ArgsParser;
+let runner: Runner;
+
+beforeEach(() => {
+  setupMoctokit();
+
+  // create GHA arguments parser
+  parser = new GHAArgsParser();
+
+  // create runner
+  runner = new Runner(parser);
+});
+
+afterEach(() => {
+  jest.clearAllMocks();
+});
+
+describe("pull request runner test", () => {
+  test("with dry run", async () => {
+    spyGetInput({
+      "dry-run": "true",
+      "target-branch": "target",
+      "pull-request": "https://github.com/owner/reponame/pull/2368"
+    });
+    
+    await runner.execute();
+
+    const cwd = process.cwd() + "/bp";
+
+    expect(GitCLIService.prototype.clone).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.clone).toBeCalledWith("https://github.com/owner/reponame.git", cwd, "target");
+
+    expect(GitCLIService.prototype.createLocalBranch).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.createLocalBranch).toBeCalledWith(cwd, "bp-target-28f63db774185f4ec4b57cd9aaeb12dbfb4c9ecc");
+    
+    expect(GitCLIService.prototype.addRemote).toBeCalledTimes(0);
+
+    expect(GitCLIService.prototype.cherryPick).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.cherryPick).toBeCalledWith(cwd, "28f63db774185f4ec4b57cd9aaeb12dbfb4c9ecc");
+
+    expect(GitCLIService.prototype.push).toBeCalledTimes(0);
+    expect(GitHubService.prototype.createPullRequest).toBeCalledTimes(0);
+  });
+
+  test("without dry run", async () => {
+    spyGetInput({
+      "target-branch": "target",
+      "pull-request": "https://github.com/owner/reponame/pull/2368"
+    });
+
+    await runner.execute();
+
+    const cwd = process.cwd() + "/bp";
+
+    expect(GitCLIService.prototype.clone).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.clone).toBeCalledWith("https://github.com/owner/reponame.git", cwd, "target");
+
+    expect(GitCLIService.prototype.createLocalBranch).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.createLocalBranch).toBeCalledWith(cwd, "bp-target-28f63db774185f4ec4b57cd9aaeb12dbfb4c9ecc");
+    
+    expect(GitCLIService.prototype.addRemote).toBeCalledTimes(0);
+
+    expect(GitCLIService.prototype.cherryPick).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.cherryPick).toBeCalledWith(cwd, "28f63db774185f4ec4b57cd9aaeb12dbfb4c9ecc");
+
+    expect(GitCLIService.prototype.push).toBeCalledTimes(1);
+    expect(GitCLIService.prototype.push).toBeCalledWith(cwd, "bp-target-28f63db774185f4ec4b57cd9aaeb12dbfb4c9ecc");
+
+    expect(GitHubService.prototype.createPullRequest).toBeCalledTimes(1);
+    expect(GitHubService.prototype.createPullRequest).toBeCalledWith({
+        owner: "owner", 
+        repo: "reponame", 
+        head: "bp-target-28f63db774185f4ec4b57cd9aaeb12dbfb4c9ecc", 
+        base: "target", 
+        title: "[target] PR Title", 
+        body: expect.stringContaining("**Backport:** https://github.com/owner/reponame/pull/2368"),
+        reviewers: ["gh-user", "that-s-a-user"]
+      }
+    );
+  });
+
+  test("not merged pull request", async () => {
+    spyGetInput({
+      "target-branch": "target",
+      "pull-request": "https://github.com/owner/reponame/pull/4444"
+    });
+
+    expect(async () => await runner.execute()).rejects.toThrow("Provided pull request is not merged!");
+  });
+});