From a1aa08771850b27afafaaa1c821528b02adf5d9c Mon Sep 17 00:00:00 2001
From: Don Kuntz <don@kuntz.co>
Date: Mon, 19 Aug 2019 17:58:19 -0500
Subject: [PATCH] Add test for creating launch templates with TagSpecifications
 option

---
 moto/ec2/responses/launch_templates.py  | 18 ++++++++++-----
 tests/test_ec2/test_launch_templates.py | 29 +++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/moto/ec2/responses/launch_templates.py b/moto/ec2/responses/launch_templates.py
index 870a8be74..4863492bb 100644
--- a/moto/ec2/responses/launch_templates.py
+++ b/moto/ec2/responses/launch_templates.py
@@ -94,17 +94,25 @@ class LaunchTemplates(BaseResponse):
     def create_launch_template(self):
         name = self._get_param('LaunchTemplateName')
         version_description = self._get_param('VersionDescription')
-        tag_spec = self._get_param('TagSpecifications')
+        tag_spec = self._parse_tag_specification("TagSpecification")
 
         raw_template_data = self._get_dict_param('LaunchTemplateData.')
         parsed_template_data = parse_object(raw_template_data)
 
-        if tag_spec:
-            if 'TagSpecifications' not in parsed_template_data:
-                parsed_template_data['TagSpecifications'] = []
-            parsed_template_data['TagSpecifications'].extend(tag_spec)
 
         if self.is_not_dryrun('CreateLaunchTemplate'):
+            if tag_spec:
+                if 'TagSpecifications' not in parsed_template_data:
+                    parsed_template_data['TagSpecifications'] = []
+                converted_tag_spec = []
+                for resource_type, tags in six.iteritems(tag_spec):
+                    converted_tag_spec.append({
+                        "ResourceType": resource_type,
+                        "Tags": [{"Key": key, "Value": value} for key, value in six.iteritems(tags)],
+                    })
+
+                parsed_template_data['TagSpecifications'].extend(converted_tag_spec)
+
             template = self.ec2_backend.create_launch_template(name, version_description, parsed_template_data)
             version = template.default_version()
 
diff --git a/tests/test_ec2/test_launch_templates.py b/tests/test_ec2/test_launch_templates.py
index afe0488ce..0cdd7ae31 100644
--- a/tests/test_ec2/test_launch_templates.py
+++ b/tests/test_ec2/test_launch_templates.py
@@ -356,3 +356,32 @@ def test_describe_launch_templates_with_filters():
     resp["LaunchTemplates"].should.have.length_of(1)
     resp["LaunchTemplates"][0]["LaunchTemplateName"].should.equal("no-tags")
 
+
+@mock_ec2
+def test_create_launch_template_with_tag_spec():
+    cli = boto3.client("ec2", region_name="us-east-1")
+
+    cli.create_launch_template(
+        LaunchTemplateName="test-template",
+        LaunchTemplateData={"ImageId":"ami-abc123"},
+        TagSpecifications=[{
+            "ResourceType": "instance",
+            "Tags": [
+                {"Key": "key", "Value": "value"}
+            ]
+        }],
+    )
+
+    resp = cli.describe_launch_template_versions(
+        LaunchTemplateName="test-template",
+        Versions=["1"])
+    version = resp["LaunchTemplateVersions"][0]
+
+    version["LaunchTemplateData"].should.have.key("TagSpecifications")
+    version["LaunchTemplateData"]["TagSpecifications"].should.have.length_of(1)
+    version["LaunchTemplateData"]["TagSpecifications"][0].should.equal({
+        "ResourceType": "instance",
+        "Tags": [
+            {"Key": "key", "Value": "value"}
+        ]
+    })