Reference

Errors

CheckError	A goalie check failed.
CheckTypeError	A value has the wrong type.
CheckValueError	A value has the right type but an unacceptable value.

Collection and string checks

are_set_equal	Check whether x and y contain the same elements, ignoring order.
has_duplicates	Check whether the input has duplicate elements.
is_hex_color	Check whether the input is a hexadecimal color code.
is_matching_regex	Check whether the string matches a regex pattern.
is_subset	Check whether x is a subset of y.

Filesystem and URL checks

has_access	Check filesystem access rights.
is_aws_s3_uri	Check whether the input contains an AWS S3 URI.
is_compressed_file	Check whether the input is a compressed file.
is_existing_aws_s3_uri	Check whether an AWS S3 URI exists (object is accessible).
is_existing_url	Check whether the URL exists (is accessible).
is_git_repo	Check whether the input is a git repository.
is_temp_file	Check whether the input is a file inside the system temp directory.
is_url	Check whether the input contains a URL.

System checks

has_cpu	Check whether the machine has at least n CPU cores.
has_github_pat	Check whether a GitHub PAT is set in the environment.
has_internet	Check whether an internet connection is available.
has_ram	Check whether the machine has at least n GB of RAM.
is_conda_enabled	Check whether a conda environment is active.
is_docker	Check whether the session is running inside Docker.
is_installed	Check whether a Python package is installed (importable).
is_linux	Check whether the OS is Linux.
is_macos	Check whether the OS is macOS.
is_package_version	Check whether an installed package satisfies a version constraint.
is_system_command	Check whether a system command is available on PATH.
is_unix	Check whether the OS is Unix-based (Linux or macOS).
is_vscode	Check whether the session is running inside VS Code.
is_windows	Check whether the OS is Windows.