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const std = @import("std");
const builtin = @import("builtin");
const expect = std.testing.expect;
pub fn main(init: std.process.Init) !void {
const io = init.io;
const gpa = init.arena.allocator();
const args = try init.minimal.args.toSlice(gpa);
if (args.len == 2 and std.mem.eql(u8, args[1], "--listen=-")) return fixture(init);
if (args.len != 2) return error.ExpectedProfilerPath;
const self = try std.process.executablePathAlloc(io, gpa);
const cases = .{
.{ "pass", "", "", 2, 0, 0 },
.{ "delayed-start", "", "", 2, 0, 0 },
.{ "skip", "", "", 1, 0, 1 },
.{ "fail", "", "TestFailed", 1, 1, 0 },
.{ "log", "", "TestFailed", 1, 1, 0 },
.{ "leak", "", "TestFailed", 1, 1, 0 },
.{ "pass", "fixture.two", "", 1, 0, 0 },
.{ "pass", "absent", "NoMatchingTests", 0, 0, 0 },
.{ "version", "", "DifferentZigVersion", 0, 0, 0 },
.{ "metadata", "", "InvalidMetadata", 0, 0, 0 },
.{ "index", "", "UnexpectedTestIndex", 0, 0, 0 },
.{ "status", "", "InvalidTestStatus", 0, 0, 0 },
.{ "oversized", "", "MessageTooLarge", 0, 0, 0 },
.{ "truncated", "", "EndOfStream", 0, 0, 0 },
.{ "hang-version", "", "Timeout", 0, 0, 0 },
.{ "hang-metadata", "", "Timeout", 0, 0, 0 },
.{ "hang-start", "", "Timeout", 0, 0, 0 },
.{ "hang-result", "", "Timeout", 0, 0, 0 },
.{ "hang-body", "", "Timeout", 0, 0, 0 },
.{ "split-deadline", "", "Timeout", 0, 0, 0 },
.{ "hang-exit", "", "Timeout", 0, 0, 0 },
.{ "hang-exit-closed", "", "Timeout", 0, 0, 0 },
.{ "exit", "", "TestRunnerFailed", 2, 0, 0 },
};
inline for (cases) |case| {
try init.environ_map.put("PARDES_PROFILE_FIXTURE", case[0]);
const result = try std.process.run(gpa, io, .{
.argv = &.{ args[1], self, case[1], if (std.mem.eql(u8, case[2], "Timeout")) "--timeout-ms=150" else "--timeout-ms=1500" },
.environ_map = init.environ_map,
.stdout_limit = .limited(1024 * 1024),
.stderr_limit = .limited(1024 * 1024),
.timeout = .{ .duration = .{ .clock = .awake, .raw = .fromSeconds(5) } },
});
errdefer std.debug.print("profile fixture {s}: {s}\n{s}\n", .{ case[0], result.stdout, result.stderr });
const success = result.term == .exited and result.term.exited == 0;
try expect(success == (case[2].len == 0));
if (case[2].len != 0) try expect(std.mem.indexOf(u8, result.stderr, "error: " ++ case[2]) != null);
if (std.mem.eql(u8, case[2], "Timeout")) {
const phase = if (std.mem.eql(u8, case[0], "hang-version"))
"fixture reached startup"
else if (std.mem.eql(u8, case[0], "hang-metadata"))
"fixture reached metadata"
else if (std.mem.startsWith(u8, case[0], "hang-exit"))
"fixture reached exit"
else
"running fixture.one";
try expect(std.mem.indexOf(u8, result.stderr, phase) != null);
}
var lines = std.mem.tokenizeScalar(u8, result.stdout, '\n');
var sum: i128 = 0;
var count: usize = 0;
var summary = false;
while (lines.next()) |line| {
const parsed = try std.json.parseFromSlice(std.json.Value, gpa, line, .{});
const object = parsed.value.object;
if (std.mem.eql(u8, object.get("kind").?.string, "case")) {
const elapsed = object.get("request_to_result_ns").?.integer;
try expect(elapsed > 0);
if (std.mem.eql(u8, case[0], "delayed-start")) try expect(elapsed >= 60 * std.time.ns_per_ms);
sum += elapsed;
count += 1;
} else {
try expect(!summary);
summary = true;
try expect(object.get("passed").?.integer == case[3]);
try expect(object.get("failed").?.integer == case[4]);
try expect(object.get("skipped").?.integer == case[5]);
try expect(object.get("request_to_result_ns").?.integer == sum);
try expect(object.get("process_wall_ns").?.integer >= sum);
}
}
if (std.mem.startsWith(u8, case[0], "hang-exit")) {
try expect(count == 2 and !summary);
} else if (case[3] + case[4] + case[5] != 0 or std.mem.eql(u8, case[2], "NoMatchingTests")) {
try expect(summary);
try expect(count == case[3] + case[4] + case[5]);
} else try expect(!summary);
}
var random: [12]u8 = undefined;
io.random(&random);
const path = try std.fmt.allocPrint(gpa, "profile-{x}", .{random});
var parent = try std.Io.Dir.cwd().createDirPathOpen(io, ".zig-cache/tmp", .{});
defer parent.close(io);
try parent.createDir(io, path, .default_dir);
defer parent.deleteTree(io, path) catch {};
var dir = try parent.openDir(io, path, .{});
defer dir.close(io);
try dir.symLink(io, self, "empty", .{});
try dir.symLink(io, self, "zero", .{});
const absolute = try dir.realPathFileAlloc(io, ".", gpa);
const empty = try std.fmt.allocPrint(gpa, "{s}/empty", .{absolute});
const zero = try std.fmt.allocPrint(gpa, "{s}/zero", .{absolute});
try init.environ_map.put("PARDES_PROFILE_FIXTURE", "check");
const checks = [_]struct { filter: []const u8, binaries: []const []const u8, passes: bool }{
.{ .filter = "fixture.one", .binaries = &.{self}, .passes = true },
.{ .filter = "fixture.one", .binaries = &.{ empty, self }, .passes = true },
.{ .filter = "fixture.one", .binaries = &.{ zero, self }, .passes = true },
.{ .filter = "named.test_0", .binaries = &.{self}, .passes = true },
.{ .filter = "absent", .binaries = &.{self}, .passes = false },
.{ .filter = "", .binaries = &.{empty}, .passes = false },
.{ .filter = "", .binaries = &.{zero}, .passes = false },
.{ .filter = "test_", .binaries = &.{empty}, .passes = false },
};
for (checks) |case| {
var command: std.ArrayList([]const u8) = .empty;
try command.appendSlice(gpa, &.{ args[1], "--check-filter", case.filter });
try command.appendSlice(gpa, case.binaries);
const result = try std.process.run(gpa, io, .{
.argv = command.items,
.environ_map = init.environ_map,
.timeout = .{ .duration = .{ .clock = .awake, .raw = .fromSeconds(5) } },
});
errdefer std.debug.print("filter fixture '{s}': {s}\n{s}\n", .{ case.filter, result.stdout, result.stderr });
try expect((result.term == .exited and result.term.exited == 0) == case.passes);
try expect(result.stdout.len == 0);
if (!case.passes) try expect(std.mem.indexOf(u8, result.stderr, "error: NoMatchingTests") != null);
}
std.debug.print("unit-profile: {d} protocol, timing and filter fixtures passed\n", .{cases.len + checks.len});
}
fn stall(io: std.Io) !void {
try io.sleep(.fromSeconds(2), .awake);
return error.FixtureWasNotTerminated;
}
fn fixture(init: std.process.Init) !void {
const io = init.io;
const mode = init.environ_map.get("PARDES_PROFILE_FIXTURE") orelse return error.ExpectedFixtureMode;
const args = try init.minimal.args.toSlice(init.arena.allocator());
const empty = std.mem.eql(u8, std.fs.path.basename(args[0]), "empty");
const zero = std.mem.eql(u8, std.fs.path.basename(args[0]), "zero");
if (std.mem.eql(u8, mode, "hang-version")) {
std.debug.print("fixture reached startup\n", .{});
return stall(io);
}
var read_buffer: [1024]u8 = undefined;
var write_buffer: [1024]u8 = undefined;
var reader = std.Io.File.stdin().readerStreaming(io, &read_buffer);
var writer = std.Io.File.stdout().writerStreaming(io, &write_buffer);
var server = try std.zig.Server.init(.{
.in = &reader.interface,
.out = &writer.interface,
.zig_version = if (std.mem.eql(u8, mode, "version")) "wrong-version" else builtin.zig_version_string,
});
while (true) {
const request = try server.receiveMessage();
switch (request.tag) {
.query_test_metadata => {
if (std.mem.eql(u8, mode, "hang-metadata")) {
std.debug.print("fixture reached metadata\n", .{});
return stall(io);
}
if (std.mem.eql(u8, mode, "metadata")) {
try server.serveStringMessage(.test_metadata, "bad");
continue;
}
try server.serveTestMetadata(.{
.names = if (zero) &.{} else if (empty) &.{ 1, 16 } else &.{ 1, 13 },
.expected_panic_msgs = if (zero) &.{} else &.{ 0, 0 },
.string_bytes = if (zero)
"\x00"
else if (empty)
"\x00fixture.test_0\x00fixture.test_11\x00"
else if (std.mem.eql(u8, mode, "check"))
"\x00fixture.one\x00fixture.test.named.test_0\x00"
else
"\x00fixture.one\x00fixture.two\x00",
});
},
.run_test => {
if (std.mem.eql(u8, mode, "check")) return error.TestWasRunDuringMatchValidation;
const index = try server.receiveBody_u32();
if (std.mem.eql(u8, mode, "hang-start")) return stall(io);
if (std.mem.eql(u8, mode, "delayed-start")) try io.sleep(.fromMilliseconds(70), .awake);
if (std.mem.eql(u8, mode, "split-deadline")) try io.sleep(.fromMilliseconds(100), .awake);
try server.serveStringMessage(.test_started, "");
if (std.mem.eql(u8, mode, "hang-result")) return stall(io);
if (std.mem.eql(u8, mode, "split-deadline")) try io.sleep(.fromMilliseconds(100), .awake);
if (std.mem.eql(u8, mode, "oversized")) {
try server.serveMessageHeader(.{ .tag = .test_results, .bytes_len = 16 * 1024 * 1024 + 1 });
try writer.interface.flush();
return stall(io);
}
if (std.mem.eql(u8, mode, "truncated") or std.mem.eql(u8, mode, "hang-body")) {
try server.serveMessageHeader(.{ .tag = .test_results, .bytes_len = 12 });
try writer.interface.writeAll("oops");
try writer.interface.flush();
if (std.mem.eql(u8, mode, "hang-body")) return stall(io);
return;
}
if (std.mem.eql(u8, mode, "status")) {
var bytes: [12]u8 = @splat(0);
bytes[4] = 3;
try server.serveStringMessage(.test_results, &bytes);
continue;
}
var flags: std.zig.Server.Message.TestResults.Flags = .{
.status = .pass,
.fuzz = false,
.log_err_count = 0,
.leak_count = 0,
};
if (index == 0) {
if (std.mem.eql(u8, mode, "fail")) flags.status = .fail;
if (std.mem.eql(u8, mode, "skip")) flags.status = .skip;
if (std.mem.eql(u8, mode, "log")) flags.log_err_count = 1;
if (std.mem.eql(u8, mode, "leak")) flags.leak_count = 1;
}
try server.serveTestResults(.{ .index = if (std.mem.eql(u8, mode, "index")) index + 1 else index, .flags = flags });
},
.exit => {
if (std.mem.startsWith(u8, mode, "hang-exit")) std.debug.print("fixture reached exit\n", .{});
if (std.mem.eql(u8, mode, "hang-exit-closed")) {
std.Io.File.stdout().close(io);
return stall(io);
}
if (std.mem.eql(u8, mode, "hang-exit")) return stall(io);
if (std.mem.eql(u8, mode, "exit")) std.process.exit(7);
return;
},
else => return error.UnexpectedRequest,
}
}
}
|
