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test: sibling projects inherit the loading project's args

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ProjectArgs loads a chain app -> lib -> leaf of LocalProjects with --debug
and a project flag. lib, loaded without .args, has to see both, and so
does its own sibling, which takes the default one level further down.
Copies loaded with `.args = {}` and with an explicit list get nothing and
exactly that list. The GitProjectSpec default is checked on the spec
itself, since a GitProject would need a repository to clone. Without the
defaults, five of its checks fail.

ProjectDependency now also loads its consumer with a project flag: the
pragma dependency must still come back with no args. Without the explicit
`.args = {}` in the pragma path it gets the consumer's flag.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jorijn van der Graaf 2026-10-31 02:56:15 +01:00 • committed by jorijnvdgraaf
commit 3ad1951057
6 changed files with 175 additions and 0 deletions
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29
tests/ProjectArgs/fixture/app/project.cpp Normal file
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// SPDX-License-Identifier: LGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
import std;
import Crafter.Build;
using namespace Crafter;
// Loads the same sibling three ways: with its args left at their default,
// with nothing forwarded, and with a list of its own. The test reads what
// each copy received back out of cfg.dependencies.
extern "C" Configuration CrafterBuildProject(std::span<const std::string_view> args) {
Configuration* inherited = LocalProject({ .projectFile = "../lib/project.cpp" });
Configuration* none = LocalProject({ .projectFile = "../lib/project.cpp", .args = {} });
Configuration* replaced = LocalProject({ .projectFile = "../lib/project.cpp", .args = { "--only" } });
Configuration cfg;
cfg.path = "./";
cfg.name = "app";
cfg.outputName = "app";
cfg.type = ConfigurationType::Executable;
ApplyStandardArgs(cfg, args);
cfg.dependencies = { inherited, none, replaced };
// GitProjectSpec takes the same default. Checked on the spec itself,
// since a GitProject would need a repository to clone.
const GitProjectSpec git{ .source = { .url = "unused" } };
const bool gitDefault = git.args == std::vector<std::string>(args.begin(), args.end());
cfg.compileFlags.push_back(gitDefault ? "-DGIT_DEFAULT=1" : "-DGIT_DEFAULT=0");
return cfg;
}