Hojun-Cho
99e3393048
30 lib test files: package <mod> -> <mod>_test, the sanctioned Go-over-Hare departure (CLAUDE.md rule-9 carve-out; white-box testing deferred, not forbidden). decimaltest retired per .ai/rob-16-decimaltest-ruling.md: Hare ships no decimal_test.ha (engine covered transitively); coverage migrated losslessly into stoftest rows (all-9s carry, nd>19 pure-decimal) + ftostest f64_roundtrip mirroring ref/hare strconv ftos_test.ha tcsf64; k=0 micro-gap documented at site. regex_test keeps its white-box internal probes under a documented rule-7 divergence (rehome = task #9). 922_decimal_run + its 989 byte-id row removed with the fixture.
263 lines
7.5 KiB
Plaintext
263 lines
7.5 KiB
Plaintext
// logtest — exercises lib/log. Run with `out/bin/ww run lib/log/logtest.ww`.
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//
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// One scenario per @test fn (the ww-stdlib idiom): each scenario
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// constructs a stdlogger over a memio.stream and asserts the bytes
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// the logger produced. The test surface mirrors what drew called out
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// in the design read: lprintln-to-memio, silent-writes-nothing, and
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// setlogger-swap. The process-terminating arm ([[log.fatal]] /
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// [[log.lfatal]]) needs a subprocess to verify exit(255) without
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// killing the test driver — left as a TODO until the project grows
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// a subprocess fixture.
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package log_test;
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import fmt;
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import io;
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import log;
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import memio;
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import os;
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// signalled — bumped before each scenario so a failing exit code
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// pinpoints the offending case.
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let signalled: i32 = 0;
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fn fail() void = { os.exit(signalled + 10); };
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fn streq(a: str, b: str) bool = {
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if (a.len != b.len) { return false; };
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let i: i32 = 0;
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for (i < a.len) {
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if (a[i] != b[i]) { return false; };
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i += 1;
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};
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return true;
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};
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// ---- default points at global after init (must run first) ------------
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// log.default writes to stderr through the private stderrsink — we
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// can't easily capture stderr from inside the test, so this scenario
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// verifies the initial wiring only: after lazy [[ensureinit]] runs,
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// [[log.default]] / [[log.silent]] are non-nil and [[log.global]]
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// equals [[log.default]]. The check is order-sensitive: any later
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// scenario that calls [[log.setlogger]] mutates the global, so this
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// scenario must run before [[setloggerswap]].
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@test fn defaultwiredtoglobal() void = {
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let buf: [4]u8;
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let mem = memio.fixed(buf[0:4]);
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let s = &mem.vt;
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let sl = log.new(s); // triggers ensureinit
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if (log.silent == nil) { fail(); };
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if (log.default == nil) { fail(); };
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if (log.global == nil) { fail(); };
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if (log.global != log.default) { fail(); };
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};
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// ---- lprintln to a memio sink: exact-byte assertion -------------------
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@test fn lprintlnbasic() void = {
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let buf: [32]u8;
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let mem = memio.fixed(buf[0:32]);
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let s = &mem.vt;
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let sl = log.new(s);
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log.lprintln(&sl.logger, "hello", 42i64);
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if (!streq(memio.string(&mem), "hello 42\n")) { fail(); };
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};
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// ---- lprintln single-arg: no leading space, just trailing newline -----
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@test fn lprintlnsingle() void = {
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let buf: [16]u8;
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let mem = memio.fixed(buf[0:16]);
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let s = &mem.vt;
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let sl = log.new(s);
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log.lprintln(&sl.logger, "only");
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if (!streq(memio.string(&mem), "only\n")) { fail(); };
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};
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// ---- lprintln zero args: bare newline ---------------------------------
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@test fn lprintlnempty() void = {
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let buf: [4]u8;
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let mem = memio.fixed(buf[0:4]);
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let s = &mem.vt;
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let sl = log.new(s);
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log.lprintln(&sl.logger);
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if (!streq(memio.string(&mem), "\n")) { fail(); };
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};
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// ---- silent: lprintln through log.silent writes no bytes --------------
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// The silent logger's callback discards args without touching fmt or
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// any sink. Verified indirectly: we wire a memio.stream and never
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// pass it to log.silent — but the @test fn calling log.new first
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// triggers [[log.ensureinit]] so log.silent is non-nil here. Then
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// lprintln(silent, ...) must not crash and the memio sink must stay
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// empty (silent has no path to it anyway).
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@test fn silentwritesnothing() void = {
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let buf: [16]u8;
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let mem = memio.fixed(buf[0:16]);
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let s = &mem.vt;
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let sl = log.new(s); // triggers log.ensureinit; populates log.silent
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if (log.silent == nil) { fail(); };
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log.lprintln(log.silent, "ignored", 1i64, true);
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if (mem.pos != 0) { fail(); };
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};
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// ---- setlogger swap: global redirects to a new sink, then to silent --
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// Three-phase: install sl1 as global, println writes there; swap to
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// sl2, println writes there only; swap to silent, println discards.
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// Each memio sink starts empty and is asserted at each phase to pin
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// the swap semantics.
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@test fn setloggerswap() void = {
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let buf1: [32]u8;
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let mem1 = memio.fixed(buf1[0:32]);
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let s1 = &mem1.vt;
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let sl1 = log.new(s1);
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let buf2: [32]u8;
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let mem2 = memio.fixed(buf2[0:32]);
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let s2 = &mem2.vt;
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let sl2 = log.new(s2);
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log.setlogger(&sl1.logger);
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log.println("first");
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if (!streq(memio.string(&mem1), "first\n")) { fail(); };
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if (mem2.pos != 0) { fail(); };
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log.setlogger(&sl2.logger);
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log.println("second");
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if (!streq(memio.string(&mem2), "second\n")) { fail(); };
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// mem1 must be unchanged.
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if (!streq(memio.string(&mem1), "first\n")) { fail(); };
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log.setlogger(log.silent);
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log.println("dropped");
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// Both sinks unchanged.
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if (!streq(memio.string(&mem1), "first\n")) { fail(); };
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if (!streq(memio.string(&mem2), "second\n")) { fail(); };
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};
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// ---- lprintfln: {n}-placeholder render into a memio sink -------------
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@test fn lprintflnbasic() void = {
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let buf: [32]u8;
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let mem = memio.fixed(buf[0:32]);
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let s = &mem.vt;
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let sl = log.new(s);
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log.lprintfln(&sl.logger, "x={} y={}", 42i64, "hi");
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if (!streq(memio.string(&mem), "x=42 y=hi\n")) { fail(); };
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};
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// ---- printfln through global: setlogger then dispatch ---------------
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// Mirrors [[setloggerswap]] but exercises the format-string path:
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// install sl1 as global, printfln writes there; mem2 stays empty.
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@test fn printflnglobal() void = {
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let buf1: [32]u8;
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let mem1 = memio.fixed(buf1[0:32]);
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let s1 = &mem1.vt;
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let sl1 = log.new(s1);
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let buf2: [32]u8;
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let mem2 = memio.fixed(buf2[0:32]);
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let s2 = &mem2.vt;
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let sl2 = log.new(s2);
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log.setlogger(&sl1.logger);
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log.printfln("v={}", 7i64);
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if (!streq(memio.string(&mem1), "v=7\n")) { fail(); };
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if (mem2.pos != 0) { fail(); };
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};
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// ---- silent.printfln writes nothing ---------------------------------
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// The silent logger's printfln callback discards args without touching
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// fmt or any sink. Same pattern as [[silentwritesnothing]] for the
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// bare-args path.
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@test fn silentignoresprintfln() void = {
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let buf: [16]u8;
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let mem = memio.fixed(buf[0:16]);
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let s = &mem.vt;
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let sl = log.new(s); // triggers log.ensureinit; populates log.silent
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if (log.silent == nil) { fail(); };
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log.lprintfln(log.silent, "ignored={}", 1i64);
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if (mem.pos != 0) { fail(); };
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};
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// ---- lprintfln: indexed {N} placeholder across log → fmt seam -------
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// The fmt parser proper is covered in fmttest; this pins that log's
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// variadic forwarding propagates argv order so indexed placeholders
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// resolve correctly.
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@test fn lprintflnindexed() void = {
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let buf: [16]u8;
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let mem = memio.fixed(buf[0:16]);
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let s = &mem.vt;
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let sl = log.new(s);
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log.lprintfln(&sl.logger, "{1} {0}", "a", "b");
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if (!streq(memio.string(&mem), "b a\n")) { fail(); };
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};
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// ---- lprintfln: {:mods} modifier across log → fmt seam --------------
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// Pins that mod-bearing placeholders flow through log's forwarding
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// intact (parser proper covered in fmttest).
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@test fn lprintflnmods() void = {
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let buf: [16]u8;
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let mem = memio.fixed(buf[0:16]);
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let s = &mem.vt;
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let sl = log.new(s);
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log.lprintfln(&sl.logger, "{:5}", 42i64);
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if (!streq(memio.string(&mem), " 42\n")) { fail(); };
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};
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// TODO subprocess: log.fatal / log.lfatal / log.fatalf / log.lfatalf
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// exit(255). Verifying them needs a fork+wait fixture so the parent
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// can assert WEXITSTATUS == 255 without the test process itself
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// terminating. lib/os doesn't ship process spawning yet; revisit
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// when that lands.
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export fn main() i32 = {
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signalled = 1; defaultwiredtoglobal();
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signalled = 2; lprintlnbasic();
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signalled = 3; lprintlnsingle();
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signalled = 4; lprintlnempty();
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signalled = 5; silentwritesnothing();
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signalled = 6; setloggerswap();
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signalled = 7; lprintflnbasic();
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signalled = 8; printflnglobal();
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signalled = 9; silentignoresprintfln();
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signalled = 10; lprintflnindexed();
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signalled = 11; lprintflnmods();
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return 0;
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};
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