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https://codeberg.org/ziglang/zig.git
synced 2026-04-26 13:01:34 +03:00
Matthew Lugg
291addadf8
Having the matrix of test targets for incremental compilation in the individual test manifests has turned out to be inconvenient for a few reasons: the tests are almost certain to accidentally get out of sync, disabling targets entirely is annoying to do, and incr-check needs to take care to print the target in all error messages (which currently does not always happen). If I recall correctly, I originally designed it this way because it allows targets to be disabled at the granularity of individual tests, but there's an easier approach to that: just let a test manifest that it should be *skipped* on a certain target! As skipping is the rare case, and also the case you want readers to notice, it makes sense for *it* to be explicitly specified, like how unit tests use `error.SkipZigTest`. So, `incr-check` no longer runs through a list of targets specified in the manifest. Instead, it accepts (and, in fact, requires) a single target on the command line, and runs the test for that specific target. If the file contains a `#skip_target` directive for that target, then `incr-check` exits immediately, so we can still disable targets at individual test granularity, but you can also disable a target for all tests by just commenting it out of the matrix in `test/tests.zig`. As a nice bonus, this also allows the build system to run different incremental test targets in parallel, because the targets are now different steps. This definitely seems like a better way to split the work between the build system and incr-check---sorry for getting this wrong initially!
42 lines
1.1 KiB
Plaintext
42 lines
1.1 KiB
Plaintext
#update=initial version
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#file=main.zig
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const std = @import("std");
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pub fn main() !void {
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try std.Io.File.stdout().writeStreamingAll(io, a);
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}
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const a = "Hello, World!\n";
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const io = std.Io.Threaded.global_single_threaded.io();
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#expect_stdout="Hello, World!\n"
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#update=introduce compile error
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#file=main.zig
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const std = @import("std");
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pub fn main() !void {
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try std.Io.File.stdout().writeStreamingAll(io, a);
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}
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const a = @compileError("bad a");
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const io = std.Io.Threaded.global_single_threaded.io();
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#expect_error=main.zig:5:11: error: bad a
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#update=remove error reference
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#file=main.zig
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const std = @import("std");
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pub fn main() !void {
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try std.Io.File.stdout().writeStreamingAll(io, b);
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}
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const a = @compileError("bad a");
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const b = "Hi there!\n";
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const io = std.Io.Threaded.global_single_threaded.io();
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#expect_stdout="Hi there!\n"
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#update=introduce and remove reference to error
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#file=main.zig
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const std = @import("std");
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pub fn main() !void {
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try std.Io.File.stdout().writeStreamingAll(io, a);
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}
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const a = "Back to a\n";
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const b = @compileError("bad b");
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const io = std.Io.Threaded.global_single_threaded.io();
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#expect_stdout="Back to a\n"
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