Turn off KVM for non x86 architectures

Fix #289

tests/conftest.py

@@ -165,3 +165,35 @@ def run_around_tests(monkeypatch):
         shutil.rmtree(tmppath)
     except:
         pass
+
+@pytest.yield_fixture
+def darwin_platform():
+    """
+    Change sys.plaform to Darwin
+    """
+    old_platform = sys.platform
+    sys.platform = "darwin10.10"
+    yield
+    sys.plaform = old_platform
+
+
+@pytest.yield_fixture
+def windows_platform():
+    """
+    Change sys.plaform to Windows
+    """
+    old_platform = sys.platform
+    sys.platform = "win10"
+    yield
+    sys.plaform = old_platform
+
+
+@pytest.yield_fixture
+def linux_platform():
+    """
+    Change sys.plaform to Linux
+    """
+    old_platform = sys.platform
+    sys.platform = "linuxdebian"
+    yield
+    sys.plaform = old_platform

tests/modules/qemu/test_qemu_vm.py

@@ -428,3 +428,54 @@ def test_get_qemu_img_not_exist(vm, tmpdir):
     vm._qemu_path = str(tmpdir / "qemu-sytem-x86_64")
     with pytest.raises(QemuError):
         vm._get_qemu_img()
+
+
+def test_run_with_kvm_darwin(darwin_platform, vm):
+
+    with patch("configparser.SectionProxy.getboolean", return_value=True):
+        assert vm._run_with_kvm("qemu-system-x86_64", "") is False
+
+
+
+def test_run_with_kvm_windows(windows_platform, vm):
+
+    with patch("configparser.SectionProxy.getboolean", return_value=True):
+        assert vm._run_with_kvm("qemu-system-x86_64.exe", "") is False
+
+
+def test_run_with_kvm_linux(linux_platform, vm):
+
+    with patch("os.path.exists", return_value=True) as os_path:
+        with patch("configparser.SectionProxy.getboolean", return_value=True):
+            assert vm._run_with_kvm("qemu-system-x86_64", "") is True
+            os_path.assert_called_with("/dev/kvm")
+
+
+def test_run_with_kvm_linux_config_desactivated(linux_platform, vm):
+
+    with patch("os.path.exists", return_value=True) as os_path:
+        with patch("configparser.SectionProxy.getboolean", return_value=False):
+            assert vm._run_with_kvm("qemu-system-x86_64", "") is False
+
+
+def test_run_with_kvm_linux_options_no_kvm(linux_platform, vm):
+
+    with patch("os.path.exists", return_value=True) as os_path:
+        with patch("configparser.SectionProxy.getboolean", return_value=True):
+            assert vm._run_with_kvm("qemu-system-x86_64", "-no-kvm") is False
+
+
+def test_run_with_kvm_not_x86(linux_platform, vm):
+
+    with patch("os.path.exists", return_value=True) as os_path:
+        with patch("configparser.SectionProxy.getboolean", return_value=True):
+            assert vm._run_with_kvm("qemu-system-arm", "") is False
+
+
+
+def test_run_with_kvm_linux_dev_kvm_missing(linux_platform, vm):
+
+    with patch("os.path.exists", return_value=False) as os_path:
+        with patch("configparser.SectionProxy.getboolean", return_value=True):
+            with pytest.raises(QemuError):
+                vm._run_with_kvm("qemu-system-x86_64", "")