update installer under scenario

1. post, add one or more new installers
2. update, replace existed installers as a totality
3. delete, delete one or more installers by name
4. in post&update, if schema is not consistent with ScenarioInstaller model,
BadRequest will be raised(only extra keys will be detected currently)
5. in post, if installer already exist, return Conflict with already exist
message
6. in update, if a installer appears more than once, also return Conflict
with already exist message

Change-Id: I830dba3bcf5f1a9d1c93513b4aae59009f69dc8f
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

3 files changed, 132 insertions, 9 deletions

diff --git a/testapi/opnfv_testapi/resources/scenario_handlers.py b/testapi/opnfv_testapi/resources/scenario_handlers.py
index d6918a6..6cdf99e 100644
--- a/testapi/opnfv_testapi/resources/scenario_handlers.py
+++ b/testapi/opnfv_testapi/resources/scenario_handlers.py
@@ -150,6 +150,9 @@ class ScenarioUpdater(object):
             ('versions', 'post'): self._update_requests_add_versions,
             ('versions', 'put'): self._update_requests_update_versions,
             ('versions', 'delete'): self._update_requests_delete_versions,
+            ('installers', 'post'): self._update_requests_add_installers,
+            ('installers', 'put'): self._update_requests_update_installers,
+            ('installers', 'delete'): self._update_requests_delete_installers,
         }
         updates[(item, action)](self.data)
 
@@ -250,6 +253,19 @@ class ScenarioUpdater(object):
     def _update_requests_delete_versions(self, installer):
         installer.versions = self._remove_versions(installer.versions)
 
+    def _update_requests_add_installers(self, scenario):
+        scenario.installers = self._update_with_body(models.ScenarioInstaller,
+                                                     'installer',
+                                                     scenario.installers)
+
+    def _update_requests_update_installers(self, scenario):
+        scenario.installers = self._update_with_body(models.ScenarioInstaller,
+                                                     'installer',
+                                                     list())
+
+    def _update_requests_delete_installers(self, scenario):
+        scenario.installers = self._remove_installers(scenario.installers)
+
     def _update_with_body(self, clazz, field, withs):
         exists = list()
         malformat = list()
@@ -272,6 +288,9 @@ class ScenarioUpdater(object):
     def _filter_installers(self, installers):
         return self._filter('installer', installers)
 
+    def _remove_installers(self, installers):
+        return self._remove('installer', installers)
+
     def _filter_versions(self, versions):
         return self._filter('version', versions)
 
@@ -688,3 +707,56 @@ class ScenarioVersionsHandler(GenericScenarioUpdateHandler):
                        'delete',
                        locators={'scenario': scenario,
                                  'installer': None})
+
+
+class ScenarioInstallersHandler(GenericScenarioUpdateHandler):
+    @swagger.operation(nickname="addInstallersUnderScenario")
+    def post(self, scenario):
+        """
+        @description: add installers to scenario
+        @notes: add one or multiple installers
+            POST /api/v1/scenarios/<scenario_name>/installers
+        @param body: installers to be added
+        @type body: C{list} of L{ScenarioInstaller}
+        @in body: body
+        @return 200: installers are added.
+        @raise 400: bad schema
+        @raise 409: conflict, installer already exists
+        @raise 404:  scenario not exist
+        """
+        self.do_update('installers',
+                       'post',
+                       locators={'scenario': scenario})
+
+    @swagger.operation(nickname="updateInstallersUnderScenario")
+    def put(self, scenario):
+        """
+        @description: replace all installers
+        @notes: substitute all installers as a totality
+            PUT /api/v1/scenarios/<scenario_name>/installers
+        @param body: new installers
+        @type body: C{list} of L{ScenarioInstaller}
+        @in body: body
+        @return 200: replace versions success.
+        @raise 400: bad schema
+        @raise 404:  scenario/installer not exist
+        """
+        self.do_update('installers',
+                       'put',
+                       locators={'scenario': scenario})
+
+    @swagger.operation(nickname="deleteInstallersUnderScenario")
+    def delete(self, scenario):
+        """
+        @description: delete one or multiple installers
+        @notes: delete one or multiple installers
+            DELETE /api/v1/scenarios/<scenario_name>/installers
+        @param body: installers(names) to be deleted
+        @type body: C{list} of L{string}
+        @in body: body
+        @return 200: delete versions success.
+        @raise 404:  scenario/installer not exist
+        """
+        self.do_update('installers',
+                       'delete',
+                       locators={'scenario': scenario})
diff --git a/testapi/opnfv_testapi/router/url_mappings.py b/testapi/opnfv_testapi/router/url_mappings.py
index bdfc701..3e3ab87 100644
--- a/testapi/opnfv_testapi/router/url_mappings.py
+++ b/testapi/opnfv_testapi/router/url_mappings.py
@@ -66,6 +66,8 @@ mappings = [
      scenario_handlers.ScenarioOwnerHandler),
     (r"/api/v1/scenarios/([^/]+)/versions",
      scenario_handlers.ScenarioVersionsHandler),
+    (r"/api/v1/scenarios/([^/]+)/installers",
+     scenario_handlers.ScenarioInstallersHandler),
 
     # static path
     (r'/(.*\.(css|png|gif|js|html|json|map|woff2|woff|ttf))',
diff --git a/testapi/opnfv_testapi/tests/unit/resources/test_scenario.py b/testapi/opnfv_testapi/tests/unit/resources/test_scenario.py
index 9190af5..4f0fad4 100644
--- a/testapi/opnfv_testapi/tests/unit/resources/test_scenario.py
+++ b/testapi/opnfv_testapi/tests/unit/resources/test_scenario.py
@@ -170,6 +170,7 @@ class TestScenarioUpdate(TestScenarioBase):
     def update_url_fixture(item):
         def _update_url_fixture(xstep):
             def wrapper(self, *args, **kwargs):
+                self.update_url = '{}/{}'.format(self.scenario_url, item)
                 locator = None
                 if item in ['projects', 'owner']:
                     locator = 'installer={}&version={}'.format(
@@ -179,9 +180,9 @@ class TestScenarioUpdate(TestScenarioBase):
                     locator = 'installer={}'.format(
                         self.installer)
 
-                self.update_url = '{}/{}?{}'.format(self.scenario_url,
-                                                    item,
-                                                    locator)
+                if locator:
+                    self.update_url = '{}?{}'.format(self.update_url, locator)
+
                 xstep(self, *args, **kwargs)
             return wrapper
         return _update_url_fixture
@@ -280,9 +281,8 @@ class TestScenarioUpdate(TestScenarioBase):
     @update_url_fixture('projects')
     @update_partial('_update', '_conflict')
     def test_updateProjects_duplicated(self):
-        update1 = models.ScenarioProject(project='qtip').format()
-        update2 = models.ScenarioProject(project='qtip').format()
-        return [update1, update2]
+        update = models.ScenarioProject(project='qtip').format()
+        return [update, update]
 
     @update_url_fixture('projects')
     @update_partial('_update', '_bad_request')
@@ -339,9 +339,8 @@ class TestScenarioUpdate(TestScenarioBase):
     @update_url_fixture('versions')
     @update_partial('_update', '_conflict')
     def test_updateVersions_duplicated(self):
-        update1 = models.ScenarioVersion(version='euphrates').format()
-        update2 = models.ScenarioVersion(version='euphrates').format()
-        return [update1, update2]
+        update = models.ScenarioVersion(version='euphrates').format()
+        return [update, update]
 
     @update_url_fixture('versions')
     @update_partial('_update', '_bad_request')
@@ -360,6 +359,56 @@ class TestScenarioUpdate(TestScenarioBase):
             versions)
         return deletes
 
+    @update_url_fixture('installers')
+    @update_partial('_add', '_success')
+    def test_addInstallers_succ(self):
+        add = models.ScenarioInstaller(installer='daisy').format()
+        self.req_d['installers'].append(add)
+        return [add]
+
+    @update_url_fixture('installers')
+    @update_partial('_add', '_conflict')
+    def test_addInstallers_already_exist(self):
+        add = models.ScenarioInstaller(installer='apex').format()
+        return [add]
+
+    @update_url_fixture('installers')
+    @update_partial('_add', '_bad_request')
+    def test_addInstallers_bad_schema(self):
+        add = models.ScenarioInstaller(installer='daisy').format()
+        add['not_exist'] = 'not_exist'
+        return [add]
+
+    @update_url_fixture('installers')
+    @update_partial('_update', '_success')
+    def test_updateInstallers_succ(self):
+        update = models.ScenarioInstaller(installer='daisy').format()
+        self.req_d['installers'] = [update]
+        return [update]
+
+    @update_url_fixture('installers')
+    @update_partial('_update', '_conflict')
+    def test_updateInstallers_duplicated(self):
+        update = models.ScenarioInstaller(installer='daisy').format()
+        return [update, update]
+
+    @update_url_fixture('installers')
+    @update_partial('_update', '_bad_request')
+    def test_updateInstallers_bad_schema(self):
+        update = models.ScenarioInstaller(installer='daisy').format()
+        update['not_exist'] = 'not_exist'
+        return [update]
+
+    @update_url_fixture('installers')
+    @update_partial('_delete', '_success')
+    def test_deleteInstallers(self):
+        deletes = ['apex']
+        installers = self.req_d['installers']
+        self.req_d['installers'] = filter(
+            lambda f: f['installer'] != 'apex',
+            installers)
+        return deletes
+
     def _add(self, update_req):
         return self.post_direct_url(self.update_url, update_req)