Big-Link-Man/tests/unit/test_s3_storage.py

396 lines
15 KiB
Python

"""
Unit tests for S3StorageClient
Story 6.2: AWS S3 Client Implementation
"""
import os
import pytest
from unittest.mock import Mock, patch, MagicMock
from botocore.exceptions import ClientError, BotoCoreError
from src.deployment.s3_storage import (
S3StorageClient,
S3StorageError,
S3StorageAuthError
)
from src.deployment.bunny_storage import UploadResult
from src.database.models import SiteDeployment
class TestS3StorageClient:
"""Test S3 Storage client"""
@pytest.fixture
def mock_site(self):
"""Fixture for a mock site deployment with S3 config"""
site = Mock(spec=SiteDeployment)
site.s3_bucket_name = "test-bucket"
site.s3_bucket_region = "us-east-1"
site.s3_custom_domain = None
site.s3_endpoint_url = None
return site
@pytest.fixture
def mock_s3_client(self):
"""Fixture for a mocked boto3 S3 client"""
mock_client = Mock()
mock_resource = Mock()
mock_bucket = Mock()
mock_resource.Bucket.return_value = mock_bucket
with patch('src.deployment.s3_storage.boto3.client', return_value=mock_client), \
patch('src.deployment.s3_storage.boto3.resource', return_value=mock_resource):
yield {
'client': mock_client,
'resource': mock_resource,
'bucket': mock_bucket
}
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_success(self, mock_site, mock_s3_client):
"""Test successful file upload"""
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert result.success is True
assert result.file_path == "test.html"
assert "Public URL" in result.message
# Verify put_object was called with correct parameters
mock_s3_client['client'].put_object.assert_called_once()
call_kwargs = mock_s3_client['client'].put_object.call_args[1]
assert call_kwargs['Bucket'] == "test-bucket"
assert call_kwargs['Key'] == "test.html"
assert call_kwargs['ContentType'] == "text/html"
assert call_kwargs['ACL'] == "public-read"
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_with_custom_domain(self, mock_site, mock_s3_client):
"""Test file upload with custom domain"""
mock_site.s3_custom_domain = "cdn.example.com"
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="article.html",
content="<html>Content</html>"
)
assert result.success is True
assert "cdn.example.com" in result.message
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_missing_bucket_name(self, mock_s3_client):
"""Test upload fails when bucket name is missing"""
site = Mock(spec=SiteDeployment)
site.s3_bucket_name = None
client = S3StorageClient(max_retries=3)
with pytest.raises(ValueError) as exc_info:
client.upload_file(
site=site,
file_path="test.html",
content="<html>Test</html>"
)
assert "s3_bucket_name not configured" in str(exc_info.value)
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_no_such_bucket(self, mock_site, mock_s3_client):
"""Test upload fails when bucket doesn't exist"""
error_response = {
'Error': {
'Code': 'NoSuchBucket',
'Message': 'The specified bucket does not exist'
}
}
mock_s3_client['client'].put_object.side_effect = ClientError(
error_response, 'PutObject'
)
mock_s3_client['client'].head_bucket.side_effect = ClientError(
error_response, 'HeadBucket'
)
client = S3StorageClient(max_retries=3)
with pytest.raises(S3StorageError) as exc_info:
client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert "does not exist" in str(exc_info.value)
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_access_denied(self, mock_site, mock_s3_client):
"""Test upload fails with access denied error"""
error_response = {
'Error': {
'Code': 'AccessDenied',
'Message': 'Access Denied'
}
}
mock_s3_client['client'].put_object.side_effect = ClientError(
error_response, 'PutObject'
)
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
with pytest.raises(S3StorageAuthError) as exc_info:
client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert "Access denied" in str(exc_info.value)
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_retry_on_transient_error(self, mock_site, mock_s3_client):
"""Test upload retries on transient errors"""
error_response = {
'Error': {
'Code': 'ServiceUnavailable',
'Message': 'Service temporarily unavailable'
}
}
# First call fails, second succeeds
mock_s3_client['client'].put_object.side_effect = [
ClientError(error_response, 'PutObject'),
{}
]
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert result.success is True
assert mock_s3_client['client'].put_object.call_count == 2
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_content_type_detection(self, mock_site, mock_s3_client):
"""Test content type is correctly detected from file extension"""
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
# Test HTML file
client.upload_file(site=mock_site, file_path="page.html", content="<html></html>")
call_kwargs = mock_s3_client['client'].put_object.call_args[1]
assert call_kwargs['ContentType'] == "text/html"
# Test CSS file
mock_s3_client['client'].put_object.reset_mock()
client.upload_file(site=mock_site, file_path="style.css", content="body {}")
call_kwargs = mock_s3_client['client'].put_object.call_args[1]
assert call_kwargs['ContentType'] == "text/css"
# Test JS file
mock_s3_client['client'].put_object.reset_mock()
client.upload_file(site=mock_site, file_path="script.js", content="console.log()")
call_kwargs = mock_s3_client['client'].put_object.call_args[1]
assert call_kwargs['ContentType'] == "application/javascript"
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-west-2'
})
def test_upload_file_uses_site_region(self, mock_site, mock_s3_client):
"""Test upload uses region from site config"""
mock_site.s3_bucket_region = "us-west-2"
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert result.success is True
# Verify boto3.client was called with correct region
import boto3
# The region is passed during client creation, verify it's in the URL
assert "us-west-2" in result.message or "test-bucket" in result.message
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_upload_file_s3_compatible_endpoint(self, mock_site, mock_s3_client):
"""Test upload with S3-compatible endpoint URL"""
mock_site.s3_endpoint_url = "https://nyc3.digitaloceanspaces.com"
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert result.success is True
# Verify endpoint_url was passed to boto3.client
# This is verified by the fact that put_object succeeded with custom endpoint
def test_missing_aws_credentials(self, mock_site):
"""Test error when AWS credentials are missing"""
with patch.dict(os.environ, {}, clear=True):
client = S3StorageClient(max_retries=3)
with pytest.raises(S3StorageAuthError) as exc_info:
client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
assert "AWS credentials not found" in str(exc_info.value)
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_configure_bucket_public_read(self, mock_site, mock_s3_client):
"""Test bucket configuration for public read access"""
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
# This is called internally during upload_file
client.upload_file(
site=mock_site,
file_path="test.html",
content="<html>Test</html>"
)
# Verify bucket configuration methods were called
mock_s3_client['client'].put_public_access_block.assert_called_once()
mock_s3_client['client'].put_bucket_policy.assert_called_once()
# Verify bucket policy allows public read only
policy_call = mock_s3_client['client'].put_bucket_policy.call_args
import json
policy = json.loads(policy_call[1]['Policy'])
assert policy['Statement'][0]['Action'] == 's3:GetObject'
assert policy['Statement'][0]['Effect'] == 'Allow'
assert policy['Statement'][0]['Principal'] == '*'
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_generate_public_url_default(self, mock_site, mock_s3_client):
"""Test public URL generation with default S3 format"""
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="article.html",
content="<html>Content</html>"
)
assert "test-bucket.s3-website-us-east-1.amazonaws.com/article.html" in result.message
@patch.dict(os.environ, {
'AWS_ACCESS_KEY_ID': 'test-key',
'AWS_SECRET_ACCESS_KEY': 'test-secret',
'AWS_REGION': 'us-east-1'
})
def test_generate_public_url_custom_domain(self, mock_site, mock_s3_client):
"""Test public URL generation with custom domain"""
mock_site.s3_custom_domain = "cdn.example.com"
mock_s3_client['client'].put_object.return_value = {}
mock_s3_client['client'].head_bucket.return_value = {}
mock_s3_client['client'].put_public_access_block.return_value = {}
mock_s3_client['client'].put_bucket_policy.return_value = {}
client = S3StorageClient(max_retries=3)
result = client.upload_file(
site=mock_site,
file_path="article.html",
content="<html>Content</html>"
)
assert "cdn.example.com/article.html" in result.message