Crate cargo_test_support

Cargo test support.

See https://rust-lang.github.io/cargo/contrib/ for a guide on writing tests.

WARNING: You might not want to use this outside of Cargo.

• This is designed for testing Cargo itself. Use at your own risk.
• No guarantee on any stability across versions.
• No feature request would be accepted unless proved useful for testing Cargo.

Modules

• compare
  Routines for comparing and diffing output.
• containers
  Support for testing using Docker containers.
• cross_compile
  Support for cross-compile tests with the --target flag.
• diff 🔒
  A simple Myers diff implementation.
• git
• install
• paths
• prelude
• publish
• registry
• tools
  Common executables that can be reused by various tests.

Macros

• file
  Declare an expected value for an assert from a file
• str
  Declare an expected value from within Rust source
• t

Structs

• Execs
• FileBuilder 🔒
• Project
  A cargo project to run tests against.
• ProjectBuilder
  Create a project to run tests against
• RawOutput
  This is the raw output from the process.
• RustcInfo 🔒
• SymlinkBuilder 🔒

Traits

• ArgLine
  Add a list of arguments as a line
• CargoCommand
  Test the cargo command
• ChannelChanger
  Enable nightly features for testing
• TestEnv
  Establish a process’s test environment

Functions

• _process 🔒
• basic_bin_manifest
• basic_lib_manifest
• basic_manifest
• cargo_exe
• cargo_process
• execs
• git_process
• is_coarse_mtime
  Returns true if the local filesystem has low-resolution mtimes.
• is_nightly
• main_file
• no_such_file_err_msg
  The error message for ENOENT.
• panic_error
• path2url
• process
• project
• project_in
• project_in_home
• retry
  Helper to retry a function n times.
• rustc_host
  The rustc host such as x86_64-unknown-linux-gnu.
• rustc_host_env
  The host triple suitable for use in a cargo environment variable (uppercased).
• rustc_info 🔒
• sleep_ms
• slow_cpu_multiplier
  Some CI setups are much slower then the equipment used by Cargo itself. Architectures that do not have a modern processor, hardware emulation, etc. This provides a way for those setups to increase the cut off for all the time based test.
• symlink_supported
• thread_wait_timeout
  Helper that waits for a thread to finish, up to n tenths of a second.
• threaded_timeout
  Helper that runs some function, and waits up to n tenths of a second for it to finish.

Attribute Macros

• cargo_test