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Move std.testing.zig_exe_path into build options

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This commit is contained in:
Martin Wickham 2022-05-11 02:22:13 -05:00 committed by Andrew Kelley
parent 61aaef0b07
commit 5523e2061b
6 changed files with 12 additions and 46 deletions
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5
build.zig
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@ -46,6 +46,11 @@ pub fn build(b: *Builder) !void {
test_cases.addPackagePath("test_cases", "test/cases.zig");
test_cases.single_threaded = single_threaded;
const test_options = b.addOptions();
test_options.addOption([]const u8, "zig_exe_path", b.zig_exe);
test_cases.addOptions("test_options", test_options);
test_cases.step.dependOn(&test_options.step);
const fmt_build_zig = b.addFmt(&[_][]const u8{"build.zig"});
const skip_debug = b.option(bool, "skip-debug", "Main test suite skips debug builds") orelse false;

1
lib/std/process.zig
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@ -822,7 +822,6 @@ test "args iterator" {
const given_suffix = std.fs.path.basename(prog_name);
try testing.expect(mem.eql(u8, expected_suffix, given_suffix));
try testing.expect(it.skip()); // Skip over zig_exe_path, passed to the test runner
try testing.expect(it.next() == null);
try testing.expect(!it.skip());
}

4
lib/std/testing.zig
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@ -22,10 +22,6 @@ pub var base_allocator_instance = std.heap.FixedBufferAllocator.init("");
/// TODO https://github.com/ziglang/zig/issues/5738
pub var log_level = std.log.Level.warn;
/// This is available to any test that wants to execute Zig in a child process.
/// It will be the same executable that is running `zig test`.
pub var zig_exe_path: []const u8 = undefined;
/// This function is intended to be used only in tests. It prints diagnostics to stderr
/// and then returns a test failure error when actual_error_union is not expected_error.
pub fn expectError(expected_error: anyerror, actual_error_union: anytype) !void {

17
lib/test_runner.zig
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@ -6,29 +6,12 @@ pub const io_mode: io.Mode = builtin.test_io_mode;
var log_err_count: usize = 0;
var args_buffer: [std.fs.MAX_PATH_BYTES + std.mem.page_size]u8 = undefined;
var args_allocator = std.heap.FixedBufferAllocator.init(&args_buffer);
fn processArgs() void {
const args = std.process.argsAlloc(args_allocator.allocator()) catch {
@panic("Too many bytes passed over the CLI to the test runner");
};
if (args.len != 2) {
const self_name = if (args.len >= 1) args[0] else if (builtin.os.tag == .windows) "test.exe" else "test";
const zig_ext = if (builtin.os.tag == .windows) ".exe" else "";
std.debug.print("Usage: {s} path/to/zig{s}\n", .{ self_name, zig_ext });
@panic("Wrong number of command line arguments");
}
std.testing.zig_exe_path = args[1];
}
pub fn main() void {
if (builtin.zig_backend != .stage1 and
(builtin.zig_backend != .stage2_llvm or builtin.cpu.arch == .wasm32))
{
return main2() catch @panic("test failure");
}
processArgs();
const test_fn_list = builtin.test_functions;
var ok_count: usize = 0;
var skip_count: usize = 0;

23
src/main.zig
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@ -3057,7 +3057,6 @@ fn buildOutputType(
gpa,
arena,
test_exec_args.items,
self_exe_path,
arg_mode,
target_info,
watch,
@ -3129,7 +3128,6 @@ fn buildOutputType(
gpa,
arena,
test_exec_args.items,
self_exe_path,
arg_mode,
target_info,
watch,
@ -3154,7 +3152,6 @@ fn buildOutputType(
gpa,
arena,
test_exec_args.items,
self_exe_path,
arg_mode,
target_info,
watch,
@ -3233,7 +3230,6 @@ fn runOrTest(
gpa: Allocator,
arena: Allocator,
test_exec_args: []const ?[]const u8,
self_exe_path: []const u8,
arg_mode: ArgMode,
target_info: std.zig.system.NativeTargetInfo,
watch: bool,
@ -3253,25 +3249,10 @@ fn runOrTest(
defer argv.deinit();
if (test_exec_args.len == 0) {
// when testing pass the zig_exe_path to argv
if (arg_mode == .zig_test)
try argv.appendSlice(&[_][]const u8{
exe_path, self_exe_path,
})
// when running just pass the current exe
else
try argv.appendSlice(&[_][]const u8{
exe_path,
});
try argv.append(exe_path);
} else {
for (test_exec_args) |arg| {
if (arg) |a| {
try argv.append(a);
} else {
try argv.appendSlice(&[_][]const u8{
exe_path, self_exe_path,
});
}
try argv.append(arg orelse exe_path);
}
}
if (runtime_args_start) |i| {

8
src/test.zig
View File

@ -1329,6 +1329,8 @@ pub const TestContext = struct {
&[_][]const u8{ tmp_dir_path, "zig-cache" },
);
const zig_exe_path = @import("test_options").zig_exe_path;
for (case.files.items) |file| {
try tmp.dir.writeFile(file.path, file.src);
}
@ -1351,7 +1353,7 @@ pub const TestContext = struct {
try tmp.dir.writeFile(tmp_src_path, update.src);
var zig_args = std.ArrayList([]const u8).init(arena);
try zig_args.append(std.testing.zig_exe_path);
try zig_args.append(zig_exe_path);
if (case.is_test) {
try zig_args.append("test");
@ -1545,7 +1547,7 @@ pub const TestContext = struct {
.link_libc = case.link_libc,
.use_llvm = use_llvm,
.use_stage1 = null, // We already handled stage1 tests
.self_exe_path = std.testing.zig_exe_path,
.self_exe_path = zig_exe_path,
// TODO instead of turning off color, pass in a std.Progress.Node
.color = .off,
// TODO: force self-hosted linkers with stage2 backend to avoid LLD creeping in
@ -1795,7 +1797,7 @@ pub const TestContext = struct {
continue :update; // Pass test.
}
try argv.appendSlice(&[_][]const u8{
std.testing.zig_exe_path,
zig_exe_path,
"run",
"-cflags",
"-std=c99",