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#!/usr/bin/env bash
# Tests lib/debug.nix
# Run:
# [nixpkgs]$ lib/tests/debug.sh
# or:
# [nixpkgs]$ nix-build lib/tests/release.nix
set -euo pipefail
shopt -s inherit_errexit
# Use
# || die
die() {
echo >&2 "test case failed: " "$@"
exit 1
}
if test -n "${TEST_LIB:-}"; then
NIX_PATH=nixpkgs="$(dirname "$TEST_LIB")"
else
NIX_PATH=nixpkgs="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.."; pwd)"
fi
export NIX_PATH
work="$(mktemp -d)"
clean_up() {
rm -rf "$work"
}
trap clean_up EXIT
cd "$work"
expectSuccess() {
local expr=$1
local expectedResultRegex=$2
if ! result=$(nix-instantiate --eval --strict --json \
--expr "with (import <nixpkgs/lib>).debug; $expr" 2>/dev/null); then
die "$expr failed to evaluate, but it was expected to succeed"
fi
if [[ ! "$result" =~ $expectedResultRegex ]]; then
die "$expr == $result, but $expectedResultRegex was expected"
fi
}
expectFailure() {
local expr=$1
local expectedErrorRegex=$2
if result=$(nix-instantiate --eval --strict --json 2>"$work/stderr" \
--expr "with (import <nixpkgs/lib>).debug; $expr"); then
die "$expr evaluated successfully to $result, but it was expected to fail"
fi
if [[ ! "$(<"$work/stderr")" =~ $expectedErrorRegex ]]; then
die "Error was $(<"$work/stderr"), but $expectedErrorRegex was expected"
fi
}
# Test throwTestFailures with empty failures list
expectSuccess 'throwTestFailures { failures = [ ]; }' "null"
# Test throwTestFailures with actual failures
# This should throw with a specific error message format
expectFailure 'throwTestFailures {
failures = [
{
name = "testDerivation";
expected = builtins.derivation {
name = "a";
builder = "bash";
system = "x86_64-linux";
};
result = builtins.derivation {
name = "b";
builder = "bash";
system = "x86_64-linux";
};
}
];
}' "1 tests failed"
echo >&2 tests ok
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