Initial import of cf-temp-email deploy CLI

tests/test_source.py

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+from __future__ import annotations
+
+import subprocess
+from pathlib import Path
+
+from cf_temp_email_deploy.models import DeploymentConfig, DeploymentState
+from cf_temp_email_deploy.source import prepare_source
+from cf_temp_email_deploy.subprocess_runner import CommandRunner
+
+
+def run_git(args: tuple[str, ...], cwd: Path) -> str:
+    completed = subprocess.run(args, cwd=cwd, check=True, capture_output=True, text=True)
+    return completed.stdout.strip()
+
+
+def create_git_repository(path: Path) -> str:
+    path.mkdir(parents=True, exist_ok=True)
+    run_git(("git", "init", "-b", "main"), path)
+    run_git(("git", "config", "user.name", "Codex"), path)
+    run_git(("git", "config", "user.email", "codex@example.com"), path)
+    (path / "README.md").write_text("demo\n", encoding="utf-8")
+    run_git(("git", "add", "README.md"), path)
+    run_git(("git", "commit", "-m", "initial"), path)
+    return run_git(("git", "rev-parse", "HEAD"), path)
+
+
+def test_prepare_local_source_records_commit(tmp_path: Path) -> None:
+    repo_dir = tmp_path / "local-repo"
+    expected_sha = create_git_repository(repo_dir)
+
+    config = DeploymentConfig.model_validate(
+        {
+            "source": {
+                "mode": "local",
+                "local_path": str(repo_dir),
+            },
+            "cloudflare": {"zone_name": "example.com"},
+            "mail": {"domains": ["mail.example.com"], "verified_destination_address": "target@example.com"},
+            "pages": {"custom_domain": "mail.example.com"},
+        }
+    )
+
+    prepared = prepare_source(config, CommandRunner())
+
+    assert prepared.source_dir == repo_dir.resolve()
+    assert prepared.commit_sha == expected_sha
+
+    state = DeploymentState()
+    prepared.apply_to_state(state)
+    assert state.source.source_dir == str(repo_dir.resolve())
+    assert state.source.commit_sha == expected_sha
+
+
+def test_prepare_clone_source_clones_and_checks_out_ref(tmp_path: Path) -> None:
+    origin_dir = tmp_path / "origin-repo"
+    expected_sha = create_git_repository(origin_dir)
+    workspace_dir = tmp_path / "workspace"
+
+    config = DeploymentConfig.model_validate(
+        {
+            "source": {
+                "mode": "clone",
+                "repo_url": str(origin_dir),
+                "repo_ref": "main",
+                "workspace_dir": str(workspace_dir),
+            },
+            "cloudflare": {"zone_name": "example.com"},
+            "mail": {"domains": ["mail.example.com"], "verified_destination_address": "target@example.com"},
+            "pages": {"custom_domain": "mail.example.com"},
+        }
+    )
+
+    prepared = prepare_source(config, CommandRunner())
+
+    assert prepared.source_dir == (workspace_dir / "source").resolve()
+    assert prepared.commit_sha == expected_sha
+    assert (prepared.source_dir / "README.md").read_text(encoding="utf-8") == "demo\n"
+
+
+def test_prepare_clone_source_uses_latest_default_branch_when_repo_ref_empty(tmp_path: Path) -> None:
+    origin_dir = tmp_path / "origin-repo"
+    expected_sha = create_git_repository(origin_dir)
+    workspace_dir = tmp_path / "workspace"
+
+    config = DeploymentConfig.model_validate(
+        {
+            "source": {
+                "mode": "clone",
+                "repo_url": str(origin_dir),
+                "repo_ref": "",
+                "workspace_dir": str(workspace_dir),
+            },
+            "cloudflare": {"zone_name": "example.com"},
+            "mail": {"domains": ["example.com"], "verified_destination_address": "target@example.com"},
+            "pages": {"custom_domain": "email.example.com"},
+        }
+    )
+
+    prepared = prepare_source(config, CommandRunner())
+
+    assert prepared.source_dir == (workspace_dir / "source").resolve()
+    assert prepared.commit_sha == expected_sha