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heroku-buildpack-python/test/run-features
T
Ed Morley 2097eab028 Install an explicit version of wheel rather than latest (#1007)
Before:
- if `wheel` was not already installed, then `get-pip.py` would
  automatically install the latest version on PyPI, which is `0.34.2`
  (or `0.33.6` for Python 3.4).
- if `wheel` was already installed, then it was left unchanged
  regardless of the version installed.

Now:
- if `wheel` is not already installed, then the same versions will be
  installed as before, except these versions are pinned and will now not
  change unexpectedly after future `wheel` releases.
- if `wheel` is already installed, then it's upgraded/downgraded to the
  target version as needed.

Partly addresses #1000, though this change only helps builds where the
pip/setuptools/wheel install flow is triggered (currently only new apps
or ones where Python was purged or pip was not the correct version).

Since the wheel version is now known, it's output to the build log to
ease debugging and for parity with pip/setuptools.

The rest of #1000 will be fixed in later commits.
2020-07-29 19:11:35 +01:00

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#!/usr/bin/env bash
# Default Python Versions
# shellcheck source=bin/default_pythons
source "bin/default_pythons"
testGitEgg() {
compile "git-egg"
assertCaptured "requests"
assertCapturedSuccess
}
testSmartRequirements() {
local cache_dir="$(mktmpdir)"
compile "requirements-standard" "$cache_dir"
assertFile "requests" ".heroku/python/requirements-declared.txt"
assertCapturedSuccess
compile "psycopg2" "$cache_dir"
assertFile "psycopg2" ".heroku/python/requirements-declared.txt"
assertCapturedSuccess
}
testStackChange() {
local cache_dir="$(mktmpdir)"
mkdir -p "${cache_dir}/.heroku"
echo "different-stack" > "${cache_dir}/.heroku/python-stack"
compile "requirements-standard" "$cache_dir"
assertCaptured "clearing cache"
assertFile "$STACK" ".heroku/python-stack"
assertCapturedSuccess
}
testSetupPy() {
compile "setup-py"
assertCaptured "maya"
assertCapturedSuccess
}
testStandardRequirements() {
compile "requirements-standard"
assertCaptured "requests"
assertCapturedSuccess
}
testPipenv() {
compile "pipenv"
assertCaptured "Installing pip 9.0.2, setuptools 39.0.1 and wheel 0.34.2"
assertCapturedSuccess
}
testPipenvLock() {
compile "pipenv-lock"
assertCapturedSuccess
}
testPipenvVersion() {
compile "pipenv-version"
assertCaptured $DEFAULT_PYTHON_VERSION
assertCapturedSuccess
}
testPipenvVersion2() {
compile "pipenv-version2"
assertCaptured $LATEST_27
assertCapturedSuccess
}
testPipenvFullVersion() {
compile "pipenv-full-version"
assertCaptured "3.6.3"
assertCapturedSuccess
}
testNoRequirements() {
compile "no-requirements"
assertCapturedError
}
testWarnOldDjango() {
compile "old-django"
assertCaptured "Your Django version is nearing the end of its community support."
assertCapturedSuccess
}
testDontWarnOldDjango() {
compile "not-old-django"
assertNotCaptured "Your Django version is nearing the end of its community support."
assertCapturedSuccess
}
testHooks() {
# Test that the hooks are called correctly, and that the environment contains
# the app's config vars but no unexpected env vars from the buildpack.
local env_dir="$(mktmpdir)"
echo 'test' > "${env_dir}/SOME_APP_CONFIG_VAR"
local expected_env_vars=(
_
BIN_DIR
BUILD_DIR
BUILDPACK_LOG_FILE
CACHE_DIR
C_INCLUDE_PATH
CPLUS_INCLUDE_PATH
ENV_DIR
EXPORT_PATH
HOME
LANG
LD_LIBRARY_PATH
LIBRARY_PATH
OLDPWD
PATH
PKG_CONFIG_PATH
PROFILE_PATH
PWD
PYTHONUNBUFFERED
SHLVL
SOME_APP_CONFIG_VAR
STACK
VENDOR_URL
)
if [[ "${STACK}" == "cedar-14" || "${STACK}" == "heroku-16" ]]; then
# Remove "OLDPWD" from expected_env_vars since for bash <4.4 it's not exported to subshells:
# https://github.com/heroku/heroku-buildpack-python/pull/1011#issuecomment-665117835
read -ra expected_env_vars <<< "${expected_env_vars[@]/OLDPWD/}"
fi
compile 'hooks' '' "${env_dir}"
assertCaptured "pre_compile ran!"
assertCaptured "pre_compile env: ${expected_env_vars[*]}."
assertCaptured "post_compile ran!"
assertCaptured "post_compile env: ${expected_env_vars[*]}."
assertCapturedSuccess
}
pushd $(dirname 0) >/dev/null
popd >/dev/null
source $(pwd)/test/utils
source $(pwd)/test/shunit2