import unittest

from tools import go_systemd_prod_smoke as smoke


class GoSystemdProdSmokeTest(unittest.TestCase):
    def test_service_checks_require_all_go_units_active(self):
        output = """
lingniu-go-gateway.service active enabled
lingniu-go-history-writer.service active enabled
lingniu-go-stat-writer.service active enabled
lingniu-go-realtime-api.service active enabled
"""

        checks = smoke.service_checks(output, smoke.DEFAULT_SERVICES)

        self.assertTrue(all(check.status == "pass" for check in checks))

    def test_service_checks_fail_when_unit_is_missing_or_inactive(self):
        output = """
lingniu-go-gateway.service active enabled
lingniu-go-history-writer.service failed enabled
"""

        checks = smoke.service_checks(output, smoke.DEFAULT_SERVICES)
        by_name = {check.name: check for check in checks}

        self.assertEqual(by_name["service.lingniu-go-history-writer.service"].status, "fail")
        self.assertEqual(by_name["service.lingniu-go-stat-writer.service"].status, "fail")

    def test_service_checks_fail_when_unit_is_not_enabled(self):
        output = """
lingniu-go-gateway.service active disabled
lingniu-go-history-writer.service active enabled
lingniu-go-stat-writer.service active enabled
lingniu-go-realtime-api.service active enabled
"""

        checks = smoke.service_checks(output, smoke.DEFAULT_SERVICES)
        by_name = {check.name: check for check in checks}

        self.assertEqual(by_name["service.lingniu-go-gateway.service"].status, "fail")
        self.assertIn("enabled=disabled", by_name["service.lingniu-go-gateway.service"].message)

    def test_port_checks_require_expected_go_processes(self):
        output = """
LISTEN 0 4096 *:32960 *:* users:(("gateway",pid=10,fd=3))
LISTEN 0 4096 *:808 *:* users:(("gateway",pid=10,fd=4))
LISTEN 0 4096 *:20210 *:* users:(("realtime-api",pid=11,fd=3))
"""

        checks = smoke.port_checks(output, smoke.DEFAULT_PORTS)

        self.assertTrue(all(check.status == "pass" for check in checks))

    def test_port_checks_fail_when_java_owns_ingest_port(self):
        output = """
LISTEN 0 4096 *:808 *:* users:(("java",pid=20,fd=4))
LISTEN 0 4096 *:32960 *:* users:(("gateway",pid=10,fd=3))
LISTEN 0 4096 *:20210 *:* users:(("realtime-api",pid=11,fd=3))
"""

        checks = smoke.port_checks(output, smoke.DEFAULT_PORTS)
        by_name = {check.name: check for check in checks}

        self.assertEqual(by_name["port.808"].status, "fail")
        self.assertIn("java", by_name["port.808"].message)

    def test_spool_check_passes_when_no_pending_files(self):
        check = smoke.spool_check("files=0 bytes=208896 recent=0")

        self.assertEqual(check.status, "pass")
        self.assertIn("files=0", check.message)

    def test_spool_check_fails_when_pending_or_recent_files_exist(self):
        for output in ["files=2 bytes=300 recent=0", "files=0 bytes=208896 recent=1"]:
            check = smoke.spool_check(output)

            self.assertEqual(check.status, "fail")

    def test_release_check_passes_when_current_release_has_all_binaries(self):
        check = smoke.release_check(
            "current=/opt/lingniu-go-native/releases/8def635 "
            "gateway=1 history-writer=1 stat-writer=1 realtime-api=1"
        )

        self.assertEqual(check.status, "pass")
        self.assertIn("8def635", check.message)

    def test_release_check_fails_when_binary_is_missing(self):
        check = smoke.release_check(
            "current=/opt/lingniu-go-native/releases/8def635 "
            "gateway=1 history-writer=0 stat-writer=1 realtime-api=1"
        )

        self.assertEqual(check.status, "fail")
        self.assertIn("history-writer=0", check.message)


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