lib/tests: move throwTestFailures tests to standalone script (#465418) (70295ac5) · Commits · nix / nixpkgs

lib/tests/debug.sh

0 → 100755

+80 −0

Original line number	Diff line number	Diff line
		#!/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

lib/tests/misc.nix

+2 −29

Original line number	Diff line number	Diff line
		@@ -6,7 +6,8 @@
		which is `throw`'s and `abort`'s, without error messages.

		If you need to test error messages or more complex evaluations, see
		`lib/tests/modules.sh`, `lib/tests/sources.sh` or `lib/tests/filesystem.sh` as examples.
		`lib/tests/modules.sh`, `lib/tests/sources.sh`, `lib/tests/filesystem.sh` or
		`lib/tests/debug.sh` as examples.

		To run these tests:

		@@ -4813,32 +4814,4 @@ runTests {
		targetTarget = "prefix-tt";
		};
		};

		testThrowTestFailuresEmpty = {
		expr = lib.debug.throwTestFailures {
		failures = [ ];
		};

		expected = null;
		};

		testThrowTestFailures = testingThrow (
		lib.debug.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";
		};
		}
		];
		}
		);
		}

lib/tests/test-with-nix.nix

+3 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,9 @@ pkgs.runCommand "nixpkgs-lib-tests-nix-${nix.version}"
		echo "Running lib/tests/sources.sh"
		TEST_LIB=$PWD/lib bash lib/tests/sources.sh

		echo "Running lib/tests/debug.sh"
		TEST_LIB=$PWD/lib bash lib/tests/debug.sh

		echo "Running lib/tests/network.sh"
		TEST_LIB=$PWD/lib bash lib/tests/network.sh