Mocked test for create happy path, refs #3

s3_credentials/cli.py

@@ -159,7 +159,7 @@ def log(message):
         UserName=username,
     )
     log("Created access key for user: {}".format(username))
-    click.echo(response)
+    click.echo(json.dumps(response, indent=4, default=str))
 
 
 @cli.command()

tests/test_s3_credentials.py

@@ -2,6 +2,7 @@
 from s3_credentials.cli import cli
 import json
 import pytest
+from unittest.mock import call, Mock
 
 
 def test_whoami(mocker):
@@ -36,3 +37,29 @@ def test_list_users(mocker, option, expected):
         result = runner.invoke(cli, ["list-users"] + ([option] if option else []))
         assert result.exit_code == 0
         assert result.output == expected
+
+
+def test_create(mocker):
+    boto3 = mocker.patch("boto3.client")
+    boto3.return_value = Mock()
+    boto3.return_value.create_access_key.return_value = {
+        "Key": "key",
+        "Secret": "secret",
+    }
+    runner = CliRunner()
+    with runner.isolated_filesystem():
+        result = runner.invoke(cli, ["create", "pytest-bucket-simonw-1", "-c"])
+        assert result.exit_code == 0
+        assert result.output == (
+            "Attached policy s3.read-write.pytest-bucket-simonw-1 to user s3.read-write.pytest-bucket-simonw-1\n"
+            "Created access key for user: s3.read-write.pytest-bucket-simonw-1\n"
+            '{\n    "Key": "key",\n    "Secret": "secret"\n}\n'
+        )
+        assert [str(c) for c in boto3.mock_calls] == [
+            "call('s3')",
+            "call('iam')",
+            "call().head_bucket(Bucket='pytest-bucket-simonw-1')",
+            "call().get_user(UserName='s3.read-write.pytest-bucket-simonw-1')",
+            'call().put_user_policy(PolicyDocument=\'{"Version": "2012-10-17", "Statement": [{"Sid": "ListObjectsInBucket", "Effect": "Allow", "Action": ["s3:ListBucket"], "Resource": ["arn:aws:s3:::pytest-bucket-simonw-1"]}, {"Sid": "AllObjectActions", "Effect": "Allow", "Action": "s3:*Object", "Resource": ["arn:aws:s3:::pytest-bucket-simonw-1/*"]}]}\', PolicyName=\'s3.read-write.pytest-bucket-simonw-1\', UserName=\'s3.read-write.pytest-bucket-simonw-1\')',
+            "call().create_access_key(UserName='s3.read-write.pytest-bucket-simonw-1')",
+        ]