from unittest import mock
import platform
import sys

import pytest
from qtpy import PYQT5, PYSIDE2


@pytest.mark.skipif(not PYQT5, reason="Targeted to PyQt5")
@mock.patch.object(platform, 'mac_ver')
def test_qt59_exception(mac_ver, monkeypatch):
    # Remove qtpy to reimport it again
    try:
        del sys.modules["qtpy"]
    except KeyError:
        pass

    # Patch stdlib to emulate a macOS system
    monkeypatch.setattr("sys.platform", 'darwin')
    mac_ver.return_value = ('10.9.2',)

    # Patch Qt version
    monkeypatch.setattr("PyQt5.QtCore.QT_VERSION_STR", '5.9.1')

    # This should raise an Exception
    with pytest.raises(Exception) as e:
        import qtpy

    assert '10.10' in str(e.value)
    assert '5.9' in str(e.value)


@pytest.mark.skipif(not PYQT5, reason="Targeted to PyQt5")
@mock.patch.object(platform, 'mac_ver')
def test_qt59_no_exception(mac_ver, monkeypatch):
    # Remove qtpy to reimport it again
    try:
        del sys.modules["qtpy"]
    except KeyError:
        pass

    # Patch stdlib to emulate a macOS system
    monkeypatch.setattr("sys.platform", 'darwin')
    mac_ver.return_value = ('10.10.1',)

    # Patch Qt version
    monkeypatch.setattr("PyQt5.QtCore.QT_VERSION_STR", '5.9.5')

    # This should not raise an Exception
    try:
        import qtpy
    except Exception:
        pytest.fail("Error!")


@pytest.mark.skipif(not (PYQT5 or PYSIDE2),
                    reason="Targeted to PyQt5 or PySide2")
@mock.patch.object(platform, 'mac_ver')
def test_qt511_exception(mac_ver, monkeypatch):
    # Remove qtpy to reimport it again
    try:
        del sys.modules["qtpy"]
    except KeyError:
        pass

    # Patch stdlib to emulate a macOS system
    monkeypatch.setattr("sys.platform", 'darwin')
    mac_ver.return_value = ('10.10.3',)

    # Patch Qt version
    if PYQT5:
        monkeypatch.setattr("PyQt5.QtCore.QT_VERSION_STR", '5.11.1')
    else:
        monkeypatch.setattr("PySide2.QtCore.__version__", '5.11.1')

    # This should raise an Exception
    with pytest.raises(Exception) as e:
        import qtpy

    assert '10.11' in str(e.value)
    assert '5.11' in str(e.value)


@pytest.mark.skipif(not (PYQT5 or PYSIDE2),
                    reason="Targeted to PyQt5 or PySide2")
@mock.patch.object(platform, 'mac_ver')
def test_qt511_no_exception(mac_ver, monkeypatch):
    # Remove qtpy to reimport it again
    try:
        del sys.modules["qtpy"]
    except KeyError:
        pass

    # Patch stdlib to emulate a macOS system
    monkeypatch.setattr("sys.platform", 'darwin')
    mac_ver.return_value = ('10.13.2',)

    # Patch Qt version
    if PYQT5:
        monkeypatch.setattr("PyQt5.QtCore.QT_VERSION_STR", '5.11.1')
    else:
        monkeypatch.setattr("PySide2.QtCore.__version__", '5.11.1')

   # This should not raise an Exception
    try:
        import qtpy
    except Exception:
        pytest.fail("Error!")