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#	http://www.apache.org/licenses/LICENSE-2.0
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import unittest.mock as mock
from unittest import TestCase

from osbenchmark import exceptions
from osbenchmark.builder import java_resolver


class JavaResolverTests(TestCase):
    @mock.patch("osbenchmark.utils.jvm.resolve_path")
    def test_resolves_java_home_for_default_runtime_jdk(self, resolve_jvm_path):
        resolve_jvm_path.return_value = (12, "/opt/jdk12")
        major, java_home = java_resolver.java_home("12,11,10,9,8",
                                                   specified_runtime_jdk=None,
                                                   provides_bundled_jdk=True)

        self.assertEqual(major, 12)
        self.assertEqual(java_home, "/opt/jdk12")

    @mock.patch("osbenchmark.utils.jvm.resolve_path")
    def test_resolves_java_home_for_specific_runtime_jdk(self, resolve_jvm_path):
        resolve_jvm_path.return_value = (8, "/opt/jdk8")
        major, java_home = java_resolver.java_home("12,11,10,9,8",
                                                   specified_runtime_jdk=8,
                                                   provides_bundled_jdk=True)

        self.assertEqual(major, 8)
        self.assertEqual(java_home, "/opt/jdk8")
        resolve_jvm_path.assert_called_with([8])

    @mock.patch("osbenchmark.utils.sysstats.os_name", return_value="Windows")
    def test_resolves_java_home_for_bundled_jdk_windows(self, os_name):
        with self.assertRaises(exceptions.SystemSetupError) as ctx:
            java_resolver.java_home("12,11,10,9,8", specified_runtime_jdk="bundled", provides_bundled_jdk=True)
        self.assertEqual("OpenSearch doesn't provide release artifacts for Windows currently.", ctx.exception.args[0])

    def test_disallowed_bundled_jdk(self):
        with self.assertRaises(exceptions.SystemSetupError) as ctx:
            java_resolver.java_home("12,11,10,9,8", specified_runtime_jdk="bundled")
        self.assertEqual("This OpenSearch version does not contain a bundled JDK. Please specify a different runtime JDK.",
                         ctx.exception.args[0])