Add warning message for faulty dependencies case.

cdist/test/config/__init__.py

@@ -177,6 +177,22 @@ class ConfigRunTestCase(test.CdistTestCase):
         dryrun.run()
         # if we are here, dryrun works like expected
 
+    def test_desp_resolver(self):
+        """Test to show dependency resolver warning message."""
+        local = cdist.exec.local.Local(
+            target_host=self.target_host,
+            base_root_path=self.host_base_path,
+            host_dir_name=self.hostdir,
+            exec_path=os.path.abspath(os.path.join(
+                my_dir, '../../../scripts/cdist')),
+            initial_manifest=os.path.join(
+                fixtures, 'manifest/init-deps-resolver'),
+            add_conf_dirs=[fixtures])
+
+        # dry_run is ok for dependency testing
+        config = cdist.config.Config(local, self.remote, dry_run=True)
+        config.run()
+
 
 # Currently the resolving code will simply detect that this object does
 # not exist. It should probably check if the type is a singleton as well

cdist/test/config/fixtures/manifest/init-deps-resolver

@@ -0,0 +1,8 @@
+__a a
+require="__e/e" __b b
+require="__f/f" __c c
+__e e
+__f f
+require="__c/c" __d d
+__g g
+__h h

cdist/test/config/fixtures/type/__g/manifest

@@ -0,0 +1 @@
+require="__c/c __d/d" __a a

cdist/test/config/fixtures/type/__h/manifest

@@ -0,0 +1,3 @@
+# require="__b/b" __a a
+require="__j/j" __i i
+__j j

cdist/test/emulator/__init__.py

@@ -499,6 +499,60 @@ class StdinTestCase(test.CdistTestCase):
         self.assertEqual(random_string, stdin_saved_by_emulator)
 
 
+class EmulatorAlreadyExistingRequirementsWarnTestCase(test.CdistTestCase):
+
+    def setUp(self):
+        self.temp_dir = self.mkdtemp()
+        handle, self.script = self.mkstemp(dir=self.temp_dir)
+        os.close(handle)
+        base_path = self.temp_dir
+        hostdir = cdist.str_hash(self.target_host[0])
+        host_base_path = os.path.join(base_path, hostdir)
+
+        self.local = local.Local(
+            target_host=self.target_host,
+            base_root_path=host_base_path,
+            host_dir_name=hostdir,
+            exec_path=test.cdist_exec_path,
+            add_conf_dirs=[conf_dir])
+        self.local.create_files_dirs()
+
+        self.manifest = core.Manifest(self.target_host, self.local)
+        self.env = self.manifest.env_initial_manifest(self.script)
+        self.env['__cdist_object_marker'] = self.local.object_marker_name
+
+    def tearDown(self):
+        shutil.rmtree(self.temp_dir)
+
+    def test_object_existing_requirements_req_none(self):
+        """Test to show dependency resolver warning message."""
+        argv = ['__directory', 'spam']
+        emu = emulator.Emulator(argv, env=self.env)
+        emu.run()
+        argv = ['__file', 'eggs']
+        self.env['require'] = '__directory/spam'
+        emu = emulator.Emulator(argv, env=self.env)
+        emu.run()
+        argv = ['__file', 'eggs']
+        if 'require' in self.env:
+            del self.env['require']
+        emu = emulator.Emulator(argv, env=self.env)
+
+    def test_object_existing_requirements_none_req(self):
+        """Test to show dependency resolver warning message."""
+        argv = ['__directory', 'spam']
+        emu = emulator.Emulator(argv, env=self.env)
+        emu.run()
+        argv = ['__file', 'eggs']
+        if 'require' in self.env:
+            del self.env['require']
+        emu = emulator.Emulator(argv, env=self.env)
+        emu.run()
+        argv = ['__file', 'eggs']
+        self.env['require'] = '__directory/spam'
+        emu = emulator.Emulator(argv, env=self.env)
+
+
 if __name__ == '__main__':
     import unittest
     unittest.main()