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authorJulien Dessaux2022-02-20 23:05:50 +0100
committerJulien Dessaux2022-02-20 23:06:19 +0100
commit0c80404e1140b19576505c3cf4416cad56400d29 (patch)
treeffa713ec0d25cc3ee2f9b27c11bfed3a5ff7fb5a /build.zig
parentBegan implementing the funge98 stack stack (diff)
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Added code coverage to tests with zig build test -Dtest-coverage
Diffstat (limited to 'build.zig')
-rw-r--r--build.zig21
1 files changed, 21 insertions, 0 deletions
diff --git a/build.zig b/build.zig
index 556896e..799aebb 100644
--- a/build.zig
+++ b/build.zig
@@ -22,6 +22,8 @@ pub fn build(b: *std.build.Builder) void {
run_cmd.addArgs(args);
}
+ const coverage = b.option(bool, "test-coverage", "Generate test coverage") orelse false;
+
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
@@ -29,6 +31,25 @@ pub fn build(b: *std.build.Builder) void {
exe_tests.setTarget(target);
exe_tests.setBuildMode(mode);
+ // Code coverage with kcov, we need an allocator for the setup
+ var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+ defer _ = general_purpose_allocator.deinit();
+ const gpa = general_purpose_allocator.allocator();
+ // We want to exclude the $HOME/.zig path
+ const home = std.process.getEnvVarOwned(gpa, "HOME") catch "";
+ defer gpa.free(home);
+ const exclude = std.fmt.allocPrint(gpa, "--exclude-path={s}/.zig/", .{home}) catch "";
+ defer gpa.free(exclude);
+ if (coverage) {
+ exe_tests.setExecCmd(&[_]?[]const u8{
+ "kcov",
+ exclude,
+ //"--path-strip-level=3", // any kcov flags can be specified here
+ "kcov-output", // output dir for kcov
+ null, // to get zig to use the --test-cmd-bin flag
+ });
+ }
+
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&exe_tests.step);
}