[pytango] 55/122: Add tests for attributes and properties

[Sandor Bodo-Merle]

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sbodomerle-guest pushed a commit to tag v9.2.1
in repository pytango.

commit 9601ab001b10c1a9230363e33e66735c991610c3
Author: Vincent Michel <vincent.michel at maxlab.lu.se>
Date:   Tue Oct 11 11:13:05 2016 +0200

    Add tests for attributes and properties
---
 test/test_server.py | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 61 insertions(+), 2 deletions(-)

diff --git a/test/test_server.py b/test/test_server.py
index dfcbd86..7ef39b1 100644
--- a/test/test_server.py
+++ b/test/test_server.py
@@ -4,8 +4,9 @@ import pytest
 from six import add_metaclass
 
 import tango
-from tango import DevState, utils
-from tango.server import Device, DeviceMeta, command
+from tango import DevState, AttrWriteType, utils
+from tango.server import Device, DeviceMeta
+from tango.server import command, attribute, device_property
 
 from context import TangoTestContext
 
@@ -95,3 +96,61 @@ def test_identity_command(type_value):
         for value in values:
             expected = pytest.approx(value)
             assert proxy.identity(value) == expected
+
+
+# Test attributes
+
+def test_read_write_attribute(type_value):
+    dtype, values = type_value
+
+    @add_metaclass(DeviceMeta)
+    class TestDevice(Device):
+
+        @attribute(dtype=dtype, access=AttrWriteType.READ_WRITE)
+        def attr(self):
+            return self.attr_value
+
+        @attr.write
+        def attr(self, value):
+            self.attr_value = value
+
+    with TangoTestContext(TestDevice) as proxy:
+        for value in values:
+            proxy.attr = value
+            expected = pytest.approx(value)
+            assert proxy.attr == expected
+
+
+# Test properties
+
+ at pytest.fixture
+def device_with_property(type_value):
+    dtype, values = type_value
+    default = values[0]
+    other = values[1]
+
+    @add_metaclass(DeviceMeta)
+    class TestDevice(Device):
+
+        prop = device_property(dtype=dtype, default_value=default)
+
+        @command(dtype_out=dtype)
+        def get_prop(self):
+            return self.prop
+
+    return TestDevice, default, other
+
+
+def test_default_property(device_with_property):
+    TestDevice, default, _ = device_with_property
+    with TangoTestContext(TestDevice) as proxy:
+        expected = pytest.approx(default)
+        assert proxy.get_prop() == expected
+
+
+def test_device_property(device_with_property):
+    TestDevice, _, value = device_with_property
+    properties = {'prop': value}
+    with TangoTestContext(TestDevice, properties=properties) as proxy:
+        expected = pytest.approx(value)
+        assert proxy.get_prop() == expected

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