AssertContains checks if a string contains a substring.

GetEC2Client retrieves the EC2 client from the context.

GetTestContext returns a context with a mock EC2 client.

GetTestContextWithClient returns a context with the given mock EC2 client.

InitTestLogger initializes a logger for testing with debug level.

MockImage creates a mock AMI with common fields.

MockInstance creates a mock EC2 instance with common fields.

RunCommandTest runs a command test with the given test cases.

SetupDefaultMocks configures common mock responses for testing.

SetupImageMock configures common image-related mock responses.

SetupInstanceMock configures common instance-related mock responses.

SetupMockEC2Client sets up a mock EC2 client for testing.

SetupTestCommand sets up a test command with the given arguments.

SetupTestLogger sets up a test logger that writes to a buffer with info level.

EC2ClientKey is the context key for the EC2 client.

CommandTestCase represents a test case for a cobra command.

ContextKey is a custom type for context keys to avoid collisions.