There's many tests that need Quorum support in order to run. At the
moment each test implements its own check to see if Quorum is
enabled. This patch centralizes all those checks in a new function
called iotests.supports_quorum().

Signed-off-by: Alberto Garcia <be...@igalia.com>
---
 tests/qemu-iotests/041        | 27 ++++++++++++---------------
 tests/qemu-iotests/139        |  3 ++-
 tests/qemu-iotests/iotests.py |  5 ++++-
 3 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
index d1e1ad8..b4f3748 100755
--- a/tests/qemu-iotests/041
+++ b/tests/qemu-iotests/041
@@ -761,9 +761,6 @@ class TestRepairQuorum(iotests.QMPTestCase):
     image_len = 1 * 1024 * 1024 # MB
     IMAGES = [ quorum_img1, quorum_img2, quorum_img3 ]
 
-    def has_quorum(self):
-        return 'quorum' in iotests.qemu_img_pipe('--help')
-
     def setUp(self):
         self.vm = iotests.VM()
 
@@ -784,7 +781,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         #assemble the quorum block device from the individual files
         args = { "options" : { "driver": "quorum", "node-name": "quorum0",
                  "vote-threshold": 2, "children": [ "img0", "img1", "img2" ] } 
}
-        if self.has_quorum():
+        if iotests.supports_quorum():
             result = self.vm.qmp("blockdev-add", **args)
             self.assert_qmp(result, 'return', {})
 
@@ -799,7 +796,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
                 pass
 
     def test_complete(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         self.assert_no_active_block_jobs()
@@ -818,7 +815,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
                         'target image does not match source after mirroring')
 
     def test_cancel(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         self.assert_no_active_block_jobs()
@@ -835,7 +832,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.vm.shutdown()
 
     def test_cancel_after_ready(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         self.assert_no_active_block_jobs()
@@ -854,7 +851,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
                         'target image does not match source after mirroring')
 
     def test_pause(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         self.assert_no_active_block_jobs()
@@ -884,7 +881,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
                         'target image does not match source after mirroring')
 
     def test_medium_not_found(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         if iotests.qemu_default_machine != 'pc':
@@ -898,7 +895,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_image_not_found(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
@@ -908,7 +905,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_device_not_found(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         result = self.vm.qmp('drive-mirror', job_id='job0',
@@ -919,7 +916,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_wrong_sync_mode(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         result = self.vm.qmp('drive-mirror', device='quorum0', job_id='job0',
@@ -929,7 +926,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_no_node_name(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
@@ -938,7 +935,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_nonexistent_replaces(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
@@ -947,7 +944,7 @@ class TestRepairQuorum(iotests.QMPTestCase):
         self.assert_qmp(result, 'error/class', 'GenericError')
 
     def test_after_a_quorum_snapshot(self):
-        if not self.has_quorum():
+        if not iotests.supports_quorum():
             return
 
         result = self.vm.qmp('blockdev-snapshot-sync', node_name='img1',
diff --git a/tests/qemu-iotests/139 b/tests/qemu-iotests/139
index 47a4c26..376b16d 100644
--- a/tests/qemu-iotests/139
+++ b/tests/qemu-iotests/139
@@ -336,8 +336,9 @@ class TestBlockdevDel(iotests.QMPTestCase):
         self.checkBlockDriverState('node1', False)
 
     def testQuorum(self):
-        if not 'quorum' in iotests.qemu_img_pipe('--help'):
+        if not iotests.supports_quorum():
             return
+
         self.addQuorum('quorum0', 'node0', 'node1')
         # We cannot remove the children of a Quorum device
         self.delBlockDriverState('node0', expect_error = True)
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 3329bc1..ef63ee4 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -318,9 +318,12 @@ def verify_platform(supported_oses=['linux']):
     if True not in [sys.platform.startswith(x) for x in supported_oses]:
         notrun('not suitable for this OS: %s' % sys.platform)
 
+def supports_quorum():
+    return 'quorum' in qemu_img_pipe('--help')
+
 def verify_quorum():
     '''Skip test suite if quorum support is not available'''
-    if 'quorum' not in qemu_img_pipe('--help'):
+    if not supports_quorum():
         notrun('quorum support missing')
 
 def main(supported_fmts=[], supported_oses=['linux']):
-- 
2.9.3


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