Record total test coverage across in-crate and external tests, and upload to coveralls.io.
The goal is to eventually have feature parity with the assumed-dead travis-cargo
To avoid problems like this one, we link against the cargo crate directly and use its low-level operations. This should be much more reliable than the stdout capture approach. On the other hand, the cargo crate isn't stable, leading to things like this.
cargo install cargo-travis
export PATH=$HOME/.cargo/bin:$PATH
A possible travis.yml configuration is:
sudo: required
language: rust
# Cache cargo symbols for faster build
cache: cargo
# Dependencies of kcov, used by coverage
addons:
apt:
packages:
- libcurl4-openssl-dev
- libelf-dev
- libdw-dev
- binutils-dev
- cmake # also required for cargo-update
sources:
- kalakris-cmake
# run builds for all the trains (and more)
rust:
- nightly
- beta
# check it compiles on the latest stable compiler
- stable
# and the first stable one (this should be bumped as the minimum
# Rust version required changes)
- 1.0.0
before_script:
- export PATH=$HOME/.cargo/bin:$PATH
- cargo install cargo-update || echo "cargo-update already installed"
- cargo install cargo-travis || echo "cargo-travis already installed"
- cargo install-update -a # update outdated cached binaries
# the main build
script:
- |
cargo build &&
cargo test &&
cargo bench &&
cargo doc
after_success:
# measure code coverage and upload to coveralls.io
- cargo coveralls
# upload documentation to github.io (gh-pages branch)
- cargo doc-uploadSee the cargo-update repository for details on cargo-update.
Note that sudo: required is necessary to use kcov. See this issue for more information.
Record coverage of `cargo test`, this runs all binaries that `cargo test` runs
but not doc tests. The results of all tests are merged into a single directory
Usage:
cargo coverage [options] [--] [<args>...]
Coverage Options:
-V, --version Print version info and exit
-m PATH, --merge-into PATH Path to the directory to put the final merged
kcov result into [default: target/kcov]
--exclude-pattern PATTERN Comma-separated path patterns to exclude from the report
--kcov-build-location PATH Path to the directory in which to build kcov (into a new folder)
[default: target] -- kcov ends up in target/kcov-master
Test Options:
-h, --help Print this message
--lib Test only this package's library
--bin NAME Test only the specified binary
--bins Test all binaries
--test NAME Test only the specified integration test target
--tests Test all tests
--bench NAME ... Test only the specified bench target
--benches Test all benches
--all-targets Test all targets (default)
-p SPEC, --package SPEC ... Package to run tests for
--all Test all packages in the workspace
--exclude SPEC ... Exclude packages from the test
-j N, --jobs N Number of parallel jobs, defaults to # of CPUs
--release Build artifacts in release mode, with optimizations
--features FEATURES Space-separated list of features to also build
--all-features Build all available features
--no-default-features Do not build the `default` feature
--target TRIPLE Build for the target triple
--manifest-path PATH Path to the manifest to build tests for
-v, --verbose ... Use verbose output
-q, --quiet No output printed to stdout
--color WHEN Coloring: auto, always, never
--no-fail-fast Run all tests regardless of failure
--frozen Require Cargo.lock and cache are up to date
--locked Require Cargo.lock is up to date
-Z FLAG ... Unstable (nightly-only) flags to Cargo
Record coverage of `cargo test`, this runs all binaries that `cargo test` runs
but not doc tests. The results of all tests are sent to coveralls.io
Usage:
cargo coveralls [options] [--] [<args>...]
Coveralls Options:
-V, --version Print version info and exit
--exclude-pattern PATTERN Comma-separated path patterns to exclude from the report
--kcov-build-location PATH Path to the directory in which to build kcov (into a new folder)
[default: target] -- kcov ends up in target/kcov-master
Test Options:
-h, --help Print this message
--lib Test only this package's library
--bin NAME Test only the specified binary
--bins Test all binaries
--test NAME Test only the specified integration test target
--tests Test all tests
--bench NAME ... Test only the specified bench target
--benches Test all benches
--all-targets Test all targets (default)
-p SPEC, --package SPEC ... Package to run tests for
--all Test all packages in the workspace
--exclude SPEC ... Exclude packages from the test
-j N, --jobs N Number of parallel jobs, defaults to # of CPUs
--release Build artifacts in release mode, with optimizations
--features FEATURES Space-separated list of features to also build
--all-features Build all available features
--no-default-features Do not build the `default` feature
--target TRIPLE Build for the target triple
--manifest-path PATH Path to the manifest to build tests for
-v, --verbose ... Use verbose output
-q, --quiet No output printed to stdout
--color WHEN Coloring: auto, always, never
--no-fail-fast Run all tests regardless of failure
--frozen Require Cargo.lock and cache are up to date
--locked Require Cargo.lock is up to date
-Z FLAG ... Unstable (nightly-only) flags to Cargo
Upload built rustdoc documentation to GitHub pages.
Usage:
cargo doc-upload [options] [--] [<args>...]
Options:
-V, --version Print version info and exit
--branch NAME ... Only publish documentation for these branches
Defaults to only the `master` branch
--token TOKEN Use the specified GitHub token to publish documentation
If unspecified, checks $GH_TOKEN then attempts to use SSH endpoint
--message MESSAGE The message to include in the commit
--deploy BRANCH Deploy to the given branch [default: gh-pages]
--path PATH Upload the documentation to the specified remote path [default: /$TRAVIS_BRANCH/]
--clobber-index Delete `index.html` from repo
--target TRIPLE Fetch the documentation for the target triple
The branch used for doc pushes may be protected, as force-push is not used. Documentation is maintained per-branch
in subdirectories, so user.github.io/repo/PATH is where the master branch's documentation lives. PATH is by
default the name of the branch, you can overwrite that behavior by passing a custom path into --path. A badge is generated
too, like docs.rs, that is located at user.github.io/repo/master/badge.svg. Additionally a
badge.json is generated, that corresponds to shields.io's endpoint. By default only
master has documentation built, but you can build other branches' docs by passing any number of --branch NAME
arguments (the presence of which will disable the default master branch build). Documentation is deployed from
target/doc, the default target for rustdoc, so make sure to run cargo doc before cargo doc-upload, and you can
build up whatever directory structure you want in there if you want to document with alternate configurations. If you need
the documentation from a non-default target, you can pass the target triple into --target, which will then fetch it from
target/TRIPLE/doc instead.
We suggest setting up a index.html in the root directory of documentation to redirect to the actual content.
For this purpose we don't touch the root of the gh-pages branch (except to create the branch folders) and purposefully
ignore index.html in the branch folders. You can opt out of this behaviour by passing --clobber-index. An index.html
file might be created by using cargo rustdoc -- -Z unstable-options --enable-index-page (works only in rust nightly) or
look like this:
<meta http-equiv="refresh" content="0; url=my_crate/index.html">
<a href="my_crate/index.html">Redirect</a>This requires Travis to have write-access to your repository. The simplest (and reasonably secure) way to achieve this
is to create a Personal API Access Token with public_repo scope.
Then on travis, define the secure environment variable GH_TOKEN with the value being the new token.
This gives any script running on Travis permission to read/write public repositories that you can if they use it (on non-PR builds only, though keep in mind that bors staging/trying is not a PR build), so be aware of that. This does work for organization repositories as well, so long as the user's token has permission to write to it.
If you want more security, you can use a deploy key for repo-specific access. If you do not provide a token, the script will use SSH to clone from/write to the repository. Travis Pro handles the deploy key automatically, and regular users can use Travis encrypt-file plus a script to move the private key to the correct location.
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