diff options
Diffstat (limited to 'build.zig')
-rw-r--r-- | build.zig | 36 |
1 files changed, 29 insertions, 7 deletions
@@ -1,6 +1,7 @@ const std = @import("std"); const builtin = @import("builtin"); const compat = @import("src/compat.zig"); +const tests = @import("test/tests.zig"); const Build = compat.Build; const Step = compat.build.Step; @@ -8,7 +9,7 @@ const Step = compat.build.Step; const assert = std.debug.assert; const print = std.debug.print; -const Exercise = struct { +pub const Exercise = struct { /// main_file must have the format key_name.zig. /// The key will be used as a shorthand to build /// just one example. @@ -511,6 +512,7 @@ const exercises = [_]Exercise{ pub fn build(b: *Build) !void { if (!compat.is_compatible) compat.die(); + if (!validate_exercises()) std.os.exit(1); use_color_escapes = false; if (std.io.getStdErr().supportsAnsiEscapeCodes()) { @@ -558,15 +560,12 @@ pub fn build(b: *Build) !void { const header_step = PrintStep.create(b, logo, std.io.getStdErr()); if (exno) |i| { - const ex = blk: { - for (exercises) |ex| { - if (ex.number() == i) break :blk ex; - } - + if (i == 0 or i > exercises.len - 1) { print("unknown exercise number: {}\n", .{i}); std.os.exit(1); - }; + } + const ex = exercises[i - 1]; const base_name = ex.baseName(); const file_path = std.fs.path.join(b.allocator, &[_][]const u8{ if (use_healed) "patches/healed" else "exercises", ex.main_file, @@ -667,6 +666,9 @@ pub fn build(b: *Build) !void { } } ziglings_step.dependOn(prev_step); + + const test_step = b.step("test", "Run all the tests"); + test_step.dependOn(tests.addCliTests(b, &exercises)); } var use_color_escapes = false; @@ -921,3 +923,23 @@ const SkipStep = struct { } } }; + +// Check that each exercise number, excluding the last, forms the sequence `[1, exercise.len)`. +fn validate_exercises() bool { + // Don't use the "multi-object for loop" syntax, in order to avoid a syntax error with old Zig + // compilers. + var i: usize = 0; + for (exercises[0 .. exercises.len - 1]) |ex| { + i += 1; + if (ex.number() != i) { + print( + "exercise {s} has an incorrect number: expected {}, got {s}\n", + .{ ex.main_file, i, ex.key() }, + ); + + return false; + } + } + + return true; +} |