mirror of
https://github.com/NixOS/nixpkgs.git
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add254658a
In https://github.com/NixOS/nix/pull/9269 the error messages change which would've broken this test.
91 lines
2.7 KiB
Bash
Executable File
91 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tests lib/filesystem.nix
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# Run:
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# [nixpkgs]$ lib/tests/filesystem.sh
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# or:
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# [nixpkgs]$ nix-build lib/tests/release.nix
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set -euo pipefail
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shopt -s inherit_errexit
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# Use
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# || die
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die() {
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echo >&2 "test case failed: " "$@"
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exit 1
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}
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if test -n "${TEST_LIB:-}"; then
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NIX_PATH=nixpkgs="$(dirname "$TEST_LIB")"
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else
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NIX_PATH=nixpkgs="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.."; pwd)"
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fi
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export NIX_PATH
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work="$(mktemp -d)"
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clean_up() {
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rm -rf "$work"
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}
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trap clean_up EXIT
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cd "$work"
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mkdir directory
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touch regular
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ln -s target symlink
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mkfifo fifo
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expectSuccess() {
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local expr=$1
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local expectedResultRegex=$2
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if ! result=$(nix-instantiate --eval --strict --json \
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--expr "with (import <nixpkgs/lib>).filesystem; $expr"); then
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die "$expr failed to evaluate, but it was expected to succeed"
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fi
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if [[ ! "$result" =~ $expectedResultRegex ]]; then
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die "$expr == $result, but $expectedResultRegex was expected"
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fi
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}
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expectFailure() {
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local expr=$1
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local expectedErrorRegex=$2
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if result=$(nix-instantiate --eval --strict --json 2>"$work/stderr" \
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--expr "with (import <nixpkgs/lib>).filesystem; $expr"); then
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die "$expr evaluated successfully to $result, but it was expected to fail"
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fi
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if [[ ! "$(<"$work/stderr")" =~ $expectedErrorRegex ]]; then
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die "Error was $(<"$work/stderr"), but $expectedErrorRegex was expected"
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fi
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}
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expectSuccess "pathType /." '"directory"'
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expectSuccess "pathType $PWD/directory" '"directory"'
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expectSuccess "pathType $PWD/regular" '"regular"'
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expectSuccess "pathType $PWD/symlink" '"symlink"'
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expectSuccess "pathType $PWD/fifo" '"unknown"'
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# Only check error message when a Nixpkgs-specified error is thrown,
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# which is only the case when `readFileType` is not available
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# and the fallback implementation needs to be used.
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if [[ "$(nix-instantiate --eval --expr 'builtins ? readFileType')" == false ]]; then
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expectFailure "pathType $PWD/non-existent" \
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"error: evaluation aborted with the following error message: 'lib.filesystem.pathType: Path $PWD/non-existent does not exist.'"
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fi
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expectSuccess "pathIsDirectory /." "true"
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expectSuccess "pathIsDirectory $PWD/directory" "true"
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expectSuccess "pathIsDirectory $PWD/regular" "false"
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expectSuccess "pathIsDirectory $PWD/symlink" "false"
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expectSuccess "pathIsDirectory $PWD/fifo" "false"
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expectSuccess "pathIsDirectory $PWD/non-existent" "false"
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expectSuccess "pathIsRegularFile /." "false"
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expectSuccess "pathIsRegularFile $PWD/directory" "false"
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expectSuccess "pathIsRegularFile $PWD/regular" "true"
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expectSuccess "pathIsRegularFile $PWD/symlink" "false"
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expectSuccess "pathIsRegularFile $PWD/fifo" "false"
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expectSuccess "pathIsRegularFile $PWD/non-existent" "false"
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echo >&2 tests ok
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