opsworks: impl create_layers; describe_layers

tests/test_opsworks/test_layers.py

@@ -0,0 +1,69 @@
+from __future__ import unicode_literals
+import boto3
+import sure  # noqa
+import re
+
+from moto import mock_opsworks
+
+
+@mock_opsworks
+def test_create_layer_response():
+    client = boto3.client('opsworks')
+    stack_id = client.create_stack(
+        Name="test_stack_1",
+        Region="us-east-1",
+        ServiceRoleArn="service_arn",
+        DefaultInstanceProfileArn="profile_arn"
+    )['StackId']
+
+    response = client.create_layer(
+        StackId=stack_id,
+        Type="custom",
+        Name="TestLayer",
+        Shortname="TestLayerShortName"
+    )
+
+    response.should.contain("LayerId")
+
+    # ClientError
+    client.create_layer.when.called_with(
+        StackId=stack_id,
+        Type="custom",
+        Name="TestLayer",
+        Shortname="_"
+    ).should.throw(
+        Exception, re.compile(r'already a layer named "TestLayer"')
+    )
+    # ClientError
+    client.create_layer.when.called_with(
+        StackId=stack_id,
+        Type="custom",
+        Name="_",
+        Shortname="TestLayerShortName"
+    ).should.throw(
+        Exception, re.compile(r'already a layer with shortname "TestLayerShortName"')
+    )
+
+
+@mock_opsworks
+def test_describe_layers():
+    client = boto3.client('opsworks')
+    stack_id = client.create_stack(
+        Name="test_stack_1",
+        Region="us-east-1",
+        ServiceRoleArn="service_arn",
+        DefaultInstanceProfileArn="profile_arn"
+    )['StackId']
+    layer_id = client.create_layer(
+        StackId=stack_id,
+        Type="custom",
+        Name="TestLayer",
+        Shortname="TestLayerShortName"
+    )['LayerId']
+
+    rv1 = client.describe_layers(StackId=stack_id)
+    rv2 = client.describe_layers(LayerIds=[layer_id])
+    rv1.should.equal(rv2)
+
+    rv1['Layers'][0]['Name'].should.equal("TestLayer")
+