"""
mbed SDK
Copyright (c) 2011-2015 ARM Limited

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""

import six
import sys
import unittest

from mbed_greentea import mbed_greentea_cli
from mbed_greentea.tests_spec import TestSpec

test_spec_def = {
    "builds": {
        "K64F-ARM": {
            "platform": "K64F",
            "toolchain": "ARM",
            "base_path": "./.build/K64F/ARM",
            "baud_rate": 115200,
            "tests": {
                "mbed-drivers-test-generic_tests":{
                    "binaries":[
                        {
                            "binary_type": "bootable",
                            "path": "./.build/K64F/ARM/mbed-drivers-test-generic_tests.bin"
                        }
                    ]
                },
                "mbed-drivers-test-c_strings":{
                    "binaries":[
                        {
                            "binary_type": "bootable",
                            "path": "./.build/K64F/ARM/mbed-drivers-test-c_strings.bin"
                        }
                    ]
                }
            }
        }
    }
}

class GreenteaCliFunctionality(unittest.TestCase):

    def setUp(self):
        pass

    def tearDown(self):
        pass

    def test_get_greentea_version(self):
        version = mbed_greentea_cli.get_greentea_version()

        self.assertIs(type(version), str)

        version_list = version.split('.')

        self.assertEqual(version_list[0].isdigit(), True)
        self.assertEqual(version_list[1].isdigit(), True)
        self.assertEqual(version_list[2].isdigit(), True)

    def test_print_version(self):
        version = mbed_greentea_cli.get_greentea_version()

        old_stdout = sys.stdout
        sys.stdout = stdout_capture = six.StringIO()
        mbed_greentea_cli.print_version()
        sys.stdout = old_stdout

        printed_version = stdout_capture.getvalue().splitlines()[0]
        self.assertEqual(printed_version, version)

    def test_get_hello_string(self):
        version = mbed_greentea_cli.get_greentea_version()
        hello_string = mbed_greentea_cli.get_hello_string()

        self.assertIs(type(version), str)
        self.assertIs(type(hello_string), str)
        self.assertIn(version, hello_string)

    def test_get_local_host_tests_dir_invalid_path(self):
        test_path = mbed_greentea_cli.get_local_host_tests_dir("invalid-path")
        self.assertEqual(test_path, None)

    def test_get_local_host_tests_dir_valid_path(self):
        path = "."
        test_path = mbed_greentea_cli.get_local_host_tests_dir(path)
        self.assertEqual(test_path, path)

    def test_get_local_host_tests_dir_default_path(self):
        import os
        import shutil
        import tempfile

        curr_dir = os.getcwd()
        test1_dir = tempfile.mkdtemp()
        test2_dir = os.mkdir(os.path.join(test1_dir, "test"))
        test3_dir = os.mkdir(os.path.join(test1_dir, "test", "host_tests"))

        os.chdir(test1_dir)

        test_path = mbed_greentea_cli.get_local_host_tests_dir("")
        self.assertEqual(test_path, "./test/host_tests")

        os.chdir(curr_dir)
        shutil.rmtree(test1_dir)

    def test_create_filtered_test_list(self):
        test_spec = TestSpec()
        test_spec.parse(test_spec_def)
        test_build = test_spec.get_test_builds()[0]

        test_list = mbed_greentea_cli.create_filtered_test_list(test_build.get_tests(),
                                                                'mbed-drivers-test-generic_*',
                                                                None,
                                                                test_spec=test_spec)
        self.assertEqual(set(test_list.keys()), set(['mbed-drivers-test-generic_tests']))

        test_list = mbed_greentea_cli.create_filtered_test_list(test_build.get_tests(),
                                                                '*_strings',
                                                                None,
                                                                test_spec=test_spec)
        self.assertEqual(set(test_list.keys()), set(['mbed-drivers-test-c_strings']))

        test_list = mbed_greentea_cli.create_filtered_test_list(test_build.get_tests(),
                                                                'mbed*s',
                                                                None,
                                                                test_spec=test_spec)
        expected = set(['mbed-drivers-test-c_strings', 'mbed-drivers-test-generic_tests'])
        self.assertEqual(set(test_list.keys()), expected)

        test_list = mbed_greentea_cli.create_filtered_test_list(test_build.get_tests(),
                                                                '*-drivers-*',
                                                                None,
                                                                test_spec=test_spec)
        expected = set(['mbed-drivers-test-c_strings', 'mbed-drivers-test-generic_tests'])
        self.assertEqual(set(test_list.keys()), expected)

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