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https://github.com/NixOS/nixpkgs.git
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649a766e35
The throwTestFailures tests in misc.nix produce confusing trace output that looks like test failures even when tests pass. This commit moves these tests to a new lib/tests/debug.sh script, following the pattern from modules.sh, sources.sh, and filesystem.sh. The confusing trace output does not appear in any logs anymore. Example of the confusing log: trace: FAIL "testDerivation": Expected: <derivation a> Result: <derivation b> evaluation warning: Using `lib.generators.toPlist` without `escape = true` is deprecated [ ]
80 lines
1.9 KiB
Bash
Executable file
80 lines
1.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Tests lib/debug.nix
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# Run:
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# [nixpkgs]$ lib/tests/debug.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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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>).debug; $expr" 2>/dev/null); then
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die "$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>).debug; $expr"); then
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die "$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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# Test throwTestFailures with empty failures list
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expectSuccess 'throwTestFailures { failures = [ ]; }' "null"
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# Test throwTestFailures with actual failures
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# This should throw with a specific error message format
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expectFailure 'throwTestFailures {
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failures = [
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{
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name = "testDerivation";
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expected = builtins.derivation {
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name = "a";
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builder = "bash";
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system = "x86_64-linux";
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};
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result = builtins.derivation {
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name = "b";
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builder = "bash";
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system = "x86_64-linux";
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};
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}
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];
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}' "1 tests failed"
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echo >&2 tests ok
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