Add sub-minimal mocking of elasticbeanstalk:create_application()

moto/__init__.py

@@ -18,6 +18,7 @@ from .datapipeline import mock_datapipeline, mock_datapipeline_deprecated  # fla
 from .dynamodb import mock_dynamodb, mock_dynamodb_deprecated  # flake8: noqa
 from .dynamodb2 import mock_dynamodb2, mock_dynamodb2_deprecated  # flake8: noqa
 from .dynamodbstreams import mock_dynamodbstreams # flake8: noqa
+from .eb import mock_eb  # flake8: noqa
 from .ec2 import mock_ec2, mock_ec2_deprecated  # flake8: noqa
 from .ecr import mock_ecr, mock_ecr_deprecated  # flake8: noqa
 from .ecs import mock_ecs, mock_ecs_deprecated  # flake8: noqa

moto/eb/__init__.py

@@ -0,0 +1,4 @@
+from .models import eb_backends
+from moto.core.models import base_decorator
+
+mock_eb = base_decorator(eb_backends)

moto/eb/exceptions.py

@@ -0,0 +1,7 @@
+from moto.core.exceptions import RESTError
+
+
+class InvalidParameterValueError(RESTError):
+    def __init__(self, message):
+        super(InvalidParameterValueError, self).__init__(
+            "InvalidParameterValue", message)

moto/eb/models.py

@@ -0,0 +1,37 @@
+import boto.beanstalk
+
+from moto.core import BaseBackend, BaseModel
+from .exceptions import InvalidParameterValueError
+
+
+class FakeApplication(BaseModel):
+    def __init__(self, application_name):
+        self.application_name = application_name
+
+
+class EBBackend(BaseBackend):
+    def __init__(self, region):
+        self.region = region
+        self.applications = dict()
+
+    def reset(self):
+        # preserve region
+        region = self.region
+        self._reset_model_refs()
+        self.__dict__ = {}
+        self.__init__(region)
+
+    def create_application(self, application_name):
+        if application_name in self.applications:
+            raise InvalidParameterValueError(
+                "Application {} already exists.".format(application_name)
+            )
+        new_app = FakeApplication(
+            application_name=application_name,
+        )
+        self.applications[application_name] = new_app
+        return new_app
+
+
+eb_backends = dict((region.name, EBBackend(region.name))
+                   for region in boto.beanstalk.regions())

moto/eb/responses.py

@@ -0,0 +1,92 @@
+from moto.core.responses import BaseResponse
+from .models import eb_backends
+
+EB_CREATE_APPLICATION = """
+<CreateApplicationResponse xmlns="http://elasticbeanstalk.amazonaws.com/docs/2010-12-01/">
+  <CreateApplicationResult>
+    <Application>
+      <ConfigurationTemplates/>
+      <DateCreated>2019-09-03T13:08:29.049Z</DateCreated>
+      <ResourceLifecycleConfig>
+        <VersionLifecycleConfig>
+          <MaxAgeRule>
+            <DeleteSourceFromS3>false</DeleteSourceFromS3>
+            <MaxAgeInDays>180</MaxAgeInDays>
+            <Enabled>false</Enabled>
+          </MaxAgeRule>
+          <MaxCountRule>
+            <DeleteSourceFromS3>false</DeleteSourceFromS3>
+            <MaxCount>200</MaxCount>
+            <Enabled>false</Enabled>
+          </MaxCountRule>
+        </VersionLifecycleConfig>
+      </ResourceLifecycleConfig>
+      <ApplicationArn>arn:aws:elasticbeanstalk:{{ region_name }}:111122223333:application/{{ application_name }}</ApplicationArn>
+      <ApplicationName>{{ application.application_name }}</ApplicationName>
+      <DateUpdated>2019-09-03T13:08:29.049Z</DateUpdated>
+    </Application>
+  </CreateApplicationResult>
+  <ResponseMetadata>
+    <RequestId>1b6173c8-13aa-4b0a-99e9-eb36a1fb2778</RequestId>
+  </ResponseMetadata>
+</CreateApplicationResponse>
+"""
+
+
+EB_DESCRIBE_APPLICATIONS = """
+<DescribeApplicationsResponse xmlns="http://elasticbeanstalk.amazonaws.com/docs/2010-12-01/">
+  <DescribeApplicationsResult>
+    <Applications>
+      {% for application in applications %}
+      <member>
+        <ConfigurationTemplates/>
+        <DateCreated>2019-09-03T13:08:29.049Z</DateCreated>
+        <ResourceLifecycleConfig>
+          <VersionLifecycleConfig>
+            <MaxAgeRule>
+              <MaxAgeInDays>180</MaxAgeInDays>
+              <DeleteSourceFromS3>false</DeleteSourceFromS3>
+              <Enabled>false</Enabled>
+            </MaxAgeRule>
+            <MaxCountRule>
+              <DeleteSourceFromS3>false</DeleteSourceFromS3>
+              <MaxCount>200</MaxCount>
+              <Enabled>false</Enabled>
+            </MaxCountRule>
+          </VersionLifecycleConfig>
+        </ResourceLifecycleConfig>
+        <ApplicationArn>arn:aws:elasticbeanstalk:{{ region_name }}:387323646340:application/{{ application.name }}</ApplicationArn>
+        <ApplicationName>{{ application.application_name }}</ApplicationName>
+        <DateUpdated>2019-09-03T13:08:29.049Z</DateUpdated>
+      </member>
+      {% endfor %}
+    </Applications>
+  </DescribeApplicationsResult>
+  <ResponseMetadata>
+    <RequestId>015a05eb-282e-4b76-bd18-663fdfaf42e4</RequestId>
+  </ResponseMetadata>
+</DescribeApplicationsResponse>
+"""
+
+
+class EBResponse(BaseResponse):
+    @property
+    def backend(self):
+        return eb_backends[self.region]
+
+    def create_application(self):
+        app = self.backend.create_application(
+            application_name=self._get_param('ApplicationName'),
+        )
+
+        template = self.response_template(EB_CREATE_APPLICATION)
+        return template.render(
+            region_name=self.backend.region,
+            application=app,
+        )
+
+    def describe_applications(self):
+        template = self.response_template(EB_DESCRIBE_APPLICATIONS)
+        return template.render(
+            applications=self.backend.applications.values(),
+        )

moto/eb/urls.py

@@ -0,0 +1,11 @@
+from __future__ import unicode_literals
+
+from .responses import EBResponse
+
+url_bases = [
+    r"https?://elasticbeanstalk.(?P<region>[a-zA-Z0-9\-_]+).amazonaws.com",
+]
+
+url_paths = {
+    '{0}/$': EBResponse.dispatch,
+}

tests/test_eb/test_eb.py

@@ -1,15 +1,39 @@
 import boto3
+import sure  # noqa
+from botocore.exceptions import ClientError
+
 from moto import mock_eb
 
 
 @mock_eb
-def test_application():
+def test_create_application():
     # Create Elastic Beanstalk Application
-    eb_client = boto3.client('elasticbeanstalk', region_name='us-east-1')
+    conn = boto3.client('elasticbeanstalk', region_name='us-east-1')
+    app = conn.create_application(
+        ApplicationName="myapp",
+    )
+    app['Application']['ApplicationName'].should.equal("myapp")
 
-    eb_client.create_application(
+
+@mock_eb
+def test_create_application_dup():
+    conn = boto3.client('elasticbeanstalk', region_name='us-east-1')
+    conn.create_application(
+        ApplicationName="myapp",
+    )
+    conn.create_application.when.called_with(
+        ApplicationName="myapp",
+    ).should.throw(ClientError)
+
+
+@mock_eb
+def test_describe_applications():
+    # Create Elastic Beanstalk Application
+    conn = boto3.client('elasticbeanstalk', region_name='us-east-1')
+    conn.create_application(
         ApplicationName="myapp",
     )
 
-    eb_apps = eb_client.describe_applications()
+    apps = conn.describe_applications()
-    eb_apps['Applications'][0]['ApplicationName'].should.equal("myapp")
+    len(apps['Applications']).should.equal(1)
+    apps['Applications'][0]['ApplicationName'].should.equal('myapp')