Check to see if the command is available before running command tests.

tests/test_cmdline/cmdline.py

@@ -28,6 +28,7 @@ from ipalib import api, request
 from ipalib import errors
 from tests.test_xmlrpc.xmlrpc_test import XMLRPC_test
 from ipaserver.plugins.ldap2 import ldap2
+from ipapython import ipautil
 
 # See if our LDAP server is up and we can talk to it over GSSAPI
 ccache = krbV.default_context().default_ccache().name
@@ -46,8 +47,16 @@ class cmdline_test(XMLRPC_test):
     """
     Base class for all command-line tests
     """
+    # some reasonable default command
+    command = '/bin/ls'
 
     def setUp(self):
+        # raise an error if the command is missing even if the remote
+        # server is not available.
+        if not ipautil.file_exists(self.command):
+            raise AssertionError(
+                'Command %r not available' % self.command
+            )
         super(cmdline_test, self).setUp()
         if not server_available:
             raise nose.SkipTest(

tests/test_cmdline/test_ipagetkeytab.py

@@ -58,6 +58,7 @@ class test_ipagetkeytab(cmdline_test):
     """
     Test `ipa-getkeytab`.
     """
+    command = "ipa-client/ipa-getkeytab"
     host_fqdn = u'ipatest.%s' % api.env.domain
     service_princ = u'test/%s@%s' % (host_fqdn, api.env.realm)
     subject = 'CN=%s,O=IPA' % host_fqdn
@@ -79,7 +80,7 @@ class test_ipagetkeytab(cmdline_test):
         """
         Create a keytab with `ipa-getkeytab` for a non-existent service.
         """
-        new_args = ["ipa-client/ipa-getkeytab",
+        new_args = [self.command,
                     "-s", api.env.host,
                     "-p", "test/notfound.example.com",
                     "-k", self.keytabname,
@@ -99,7 +100,7 @@ class test_ipagetkeytab(cmdline_test):
             pass
 
         os.unlink(self.keytabname)
-        new_args = ["ipa-client/ipa-getkeytab",
+        new_args = [self.command,
                     "-s", api.env.host,
                     "-p", self.service_princ,
                     "-k", self.keytabname,