Add unit tests for resolveOrgAndRepos() covering all 4 branches

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: schurchleycci

src/__tests__/core/build-prompt.unit.test.ts

@@ -0,0 +1,59 @@
+import { beforeEach, describe, expect, it, mock } from "bun:test";
+import { resolveOrgAndRepos } from "../../core/build-prompt";
+
+// Mock the git-remote module
+const mockDetectGitHubOrgAndRepo = mock(() =>
+	Promise.resolve({ org: "detected-org", repo: "detected-repo" }),
+);
+
+mock.module("../../utils/git-remote", () => ({
+	detectGitHubOrgAndRepo: mockDetectGitHubOrgAndRepo,
+}));
+
+describe("resolveOrgAndRepos", () => {
+	beforeEach(() => {
+		mockDetectGitHubOrgAndRepo.mockClear();
+		mockDetectGitHubOrgAndRepo.mockResolvedValue({
+			org: "detected-org",
+			repo: "detected-repo",
+		});
+	});
+
+	it("throws when org is provided without repos", async () => {
+		await expect(resolveOrgAndRepos({ org: "my-org", repos: [] })).rejects.toThrow(
+			"--repos is required when --org is provided",
+		);
+	});
+
+	it("returns org and repos as-is when both are provided", async () => {
+		const result = await resolveOrgAndRepos({
+			org: "my-org",
+			repos: ["repo-a", "repo-b"],
+		});
+
+		expect(result).toEqual({ org: "my-org", repos: ["repo-a", "repo-b"] });
+		expect(mockDetectGitHubOrgAndRepo).not.toHaveBeenCalled();
+	});
+
+	it("auto-detects org and repo when neither is provided", async () => {
+		const result = await resolveOrgAndRepos({ repos: [] });
+
+		expect(result).toEqual({
+			org: "detected-org",
+			repos: ["detected-repo"],
+		});
+		expect(mockDetectGitHubOrgAndRepo).toHaveBeenCalledTimes(1);
+	});
+
+	it("auto-detects org when only repos are provided", async () => {
+		const result = await resolveOrgAndRepos({
+			repos: ["custom-repo-1", "custom-repo-2"],
+		});
+
+		expect(result).toEqual({
+			org: "detected-org",
+			repos: ["custom-repo-1", "custom-repo-2"],
+		});
+		expect(mockDetectGitHubOrgAndRepo).toHaveBeenCalledTimes(1);
+	});
+});