"""deploy.py 门禁编排单测（CI 第二阶段覆盖率补点）。

只测编排层：run() 的 check 开关、check_clean_tree 的
拒绝/告警/放行、deploy_via_git 的 dry-run 与各门禁拒绝、
main() 的 git 分发与 tar 路径前置检查。真实 SSH/传输仍由
test_deploy.py 的 transfer/remote_sha 测试覆盖，本文件不
碰网络与主机。
"""

import os
import subprocess
import sys
import unittest
from types import SimpleNamespace
from unittest import mock

REPO_ROOT = os.path.join(os.path.dirname(__file__), "..", "..")
sys.path.insert(0, os.path.join(REPO_ROOT, "deploy"))
import deploy as deploy_mod  # noqa: E402


def _args(**over):
    base = dict(tarball=None, build_only=False, host=None, user="root",
                dry_run=True, repo="git@github.com:openqj/codex-app-server",
                git_key="/tmp/k", allow_dirty=False, skip_tests=False,
                ref="HEAD", commit=None, source="git",
                out_dir="/tmp/out")
    base.update(over)
    return SimpleNamespace(**base)


class RunAndCleanTreeTest(unittest.TestCase):
    def test_run_check_exits_on_failure(self):
        bad = subprocess.CompletedProcess(args=[], returncode=1,
                                          stdout="", stderr="boom")
        with mock.patch.object(deploy_mod.subprocess, "run",
                               return_value=bad):
            with self.assertRaises(SystemExit) as ctx:
                deploy_mod.run(["false"])
            self.assertEqual(ctx.exception.code, 1)

    def test_run_no_check_returns_result(self):
        bad = subprocess.CompletedProcess(args=[], returncode=1,
                                          stdout="o", stderr="e")
        with mock.patch.object(deploy_mod.subprocess, "run",
                               return_value=bad):
            self.assertIs(deploy_mod.run(["false"], check=False), bad)

    def test_clean_tree_dirty_refuses_and_warns(self):
        dirty = SimpleNamespace(returncode=1)
        with mock.patch.object(deploy_mod, "run", return_value=dirty):
            with self.assertRaises(SystemExit) as ctx:
                deploy_mod.check_clean_tree(False)
            self.assertEqual(ctx.exception.code, 2)
            deploy_mod.check_clean_tree(True)  # 只告警，不退出

    def test_clean_tree_clean_passes(self):
        clean = SimpleNamespace(returncode=0)
        with mock.patch.object(deploy_mod, "run", return_value=clean):
            deploy_mod.check_clean_tree(False)


class DeployViaGitTest(unittest.TestCase):
    def _patched(self, commit="a" * 40, on_main=True):
        return (mock.patch.object(deploy_mod, "check_clean_tree"),
                mock.patch.object(deploy_mod, "run_tests"),
                mock.patch.object(deploy_mod, "git_commit",
                                  return_value=commit),
                mock.patch.object(deploy_mod, "commit_on_origin_main",
                                  return_value=on_main))

    def test_dry_run_success(self):
        patches = self._patched()
        for p in patches:
            p.start()
        try:
            self.assertEqual(deploy_mod.deploy_via_git(_args()), 0)
        finally:
            for p in patches:
                p.stop()

    def test_gates(self):
        cases = [
            (_args(tarball="/tmp/x.tgz"), "tarball 冲突"),
            (_args(repo="https://github.com/o/r"), "非 SSH 仓库"),
        ]
        for args, _why in cases:
            patches = self._patched()
            for p in patches:
                p.start()
            try:
                with self.assertRaises(SystemExit) as ctx:
                    deploy_mod.deploy_via_git(args)
                self.assertEqual(ctx.exception.code, 2)
            finally:
                for p in patches:
                    p.stop()
        patches = self._patched(commit="abc")
        for p in patches:
            p.start()
        try:
            with self.assertRaises(SystemExit) as ctx:
                deploy_mod.deploy_via_git(_args())
            self.assertEqual(ctx.exception.code, 2)
        finally:
            for p in patches:
                p.stop()
        patches = self._patched(on_main=False)
        for p in patches:
            p.start()
        try:
            with self.assertRaises(SystemExit) as ctx:
                deploy_mod.deploy_via_git(_args())
            self.assertEqual(ctx.exception.code, 2)
        finally:
            for p in patches:
                p.stop()


class MainDispatchTest(unittest.TestCase):
    def test_main_dispatches_git(self):
        seen = []
        with mock.patch.object(
                deploy_mod, "deploy_via_git",
                side_effect=lambda a: seen.append(a) or 0):
            rc = deploy_mod.main(["h", "root", "--source", "git",
                                  "--dry-run"])
        self.assertEqual(rc, 0)
        self.assertEqual(seen[0].source, "git")
        self.assertTrue(seen[0].dry_run)

    def test_main_tar_needs_host_or_mode(self):
        with self.assertRaises(SystemExit) as ctx:
            deploy_mod.main([])
        self.assertEqual(ctx.exception.code, 2)

    def test_main_build_only_tar_path(self):
        with mock.patch.object(deploy_mod, "check_clean_tree"), \
                mock.patch.object(deploy_mod, "run_tests"), \
                mock.patch.object(
                    deploy_mod, "build_release",
                    return_value=("tb.tgz", "sha", "c" * 40)):
            rc = deploy_mod.main(["myhost", "--build-only"])
        self.assertEqual(rc, 0)


if __name__ == "__main__":
    unittest.main()