Fix unit tests (py36)

It completes the patch "Update to Python3" [1] which was not fully
verified in Functest Gates [2].

[1] https://gerrit.opnfv.org/gerrit/#/c/67782/
[2] https://travis-ci.org/collivier/functest-xtesting/jobs/531380395

Change-Id: Icd0d743e14ca1430828907cefba10b50489020a5
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
(cherry picked from commit 934e90a269ea6b65e38578ac3f9a8bf7fc5212b1)

2 files changed, 12 insertions, 12 deletions

diff --git a/xtesting/tests/unit/core/test_feature.py b/xtesting/tests/unit/core/test_feature.py
index cbee8511..30678798 100644
--- a/xtesting/tests/unit/core/test_feature.py
+++ b/xtesting/tests/unit/core/test_feature.py
@@ -115,8 +115,8 @@ class BashFeatureTesting(FeatureTestingBase):
     @mock.patch('os.path.isdir', return_value=True)
     @mock.patch('subprocess.Popen')
     def test_run_ko2(self, *args):
-        stream = six.StringIO()
-        stream.write("foo")
+        stream = six.BytesIO()
+        stream.write(b"foo")
         stream.seek(0)
         attrs = {'return_value.stdout': stream, 'return_value.returncode': 1}
         args[0].configure_mock(**attrs)
@@ -131,8 +131,8 @@ class BashFeatureTesting(FeatureTestingBase):
     @mock.patch('os.path.isdir', return_value=True)
     @mock.patch('subprocess.Popen')
     def test_run1(self, *args):
-        stream = six.StringIO()
-        stream.write("foo")
+        stream = six.BytesIO()
+        stream.write(b"foo")
         stream.seek(0)
         attrs = {'return_value.stdout': stream, 'return_value.returncode': 0}
         args[0].configure_mock(**attrs)
@@ -147,8 +147,8 @@ class BashFeatureTesting(FeatureTestingBase):
     @mock.patch('os.path.isdir', return_value=True)
     @mock.patch('subprocess.Popen')
     def test_run2(self, *args):
-        stream = six.StringIO()
-        stream.write("foo")
+        stream = six.BytesIO()
+        stream.write(b"foo")
         stream.seek(0)
         attrs = {'return_value.stdout': stream, 'return_value.returncode': 0}
         args[0].configure_mock(**attrs)
@@ -163,8 +163,8 @@ class BashFeatureTesting(FeatureTestingBase):
     @mock.patch('os.path.isdir', return_value=True)
     @mock.patch('subprocess.Popen')
     def test_run3(self, *args):
-        stream = six.StringIO()
-        stream.write("foo")
+        stream = six.BytesIO()
+        stream.write(b"foo")
         stream.seek(0)
         attrs = {'return_value.stdout': stream, 'return_value.returncode': 0}
         args[0].configure_mock(**attrs)
@@ -180,8 +180,8 @@ class BashFeatureTesting(FeatureTestingBase):
     @mock.patch('os.path.isdir', return_value=False)
     @mock.patch('subprocess.Popen')
     def test_run4(self, *args):
-        stream = six.StringIO()
-        stream.write("foo")
+        stream = six.BytesIO()
+        stream.write(b"foo")
         stream.seek(0)
         attrs = {'return_value.stdout': stream, 'return_value.returncode': 0}
         args[0].configure_mock(**attrs)
diff --git a/xtesting/tests/unit/core/test_unit.py b/xtesting/tests/unit/core/test_unit.py
index 0af3ddca..3be41442 100644
--- a/xtesting/tests/unit/core/test_unit.py
+++ b/xtesting/tests/unit/core/test_unit.py
@@ -34,7 +34,7 @@ class SuiteTesting(unittest.TestCase):
 
     @mock.patch('subprocess.Popen',
                 return_value=mock.Mock(
-                    communicate=mock.Mock(return_value=("foo", "bar"))))
+                    communicate=mock.Mock(return_value=(b"foo", b"bar"))))
     def test_generate_stats_ok(self, *args):
         stream = six.StringIO()
         self.psrunner.generate_stats(stream)
@@ -57,7 +57,7 @@ class SuiteTesting(unittest.TestCase):
 
     @mock.patch('subprocess.Popen',
                 return_value=mock.Mock(
-                    communicate=mock.Mock(return_value=("foo", "bar"))))
+                    communicate=mock.Mock(return_value=(b"foo", b"bar"))))
     def test_generate_xunit_ok(self, *args):
         stream = six.BytesIO()
         with mock.patch('six.moves.builtins.open',