testing: use std.Build.TranslateC instead of @cImport

build.zig

@@ -54,10 +54,6 @@ pub fn build(b: *std.Build) !void {
         "update-translations",
         "Update translation files",
     );
-    const test_include_ghostty_h_step = b.step(
-        "test-include-ghostty-h",
-        "Test include of ghostty.h",
-    );
 
     // Ghostty resources like terminfo, shell integration, themes, etc.
     const resources = try buildpkg.GhosttyResources.init(b, &config, &deps);
@@ -292,7 +288,12 @@ pub fn build(b: *std.Build) !void {
             // Crash on x86_64 without this
             .use_llvm = true,
         });
-        test_exe.root_module.addIncludePath(b.path("include"));
+        const ghostty_h = b.addTranslateC(.{
+            .root_source_file = b.path("include/ghostty.h"),
+            .target = config.baselineTarget(),
+            .optimize = .Debug,
+        });
+        test_exe.root_module.addImport("ghostty.h", ghostty_h.createModule());
         if (config.emit_test_exe) b.installArtifact(test_exe);
         _ = try deps.add(test_exe);
 
@@ -303,24 +304,6 @@ pub fn build(b: *std.Build) !void {
         // Normal tests always test our libghostty modules
         //test_step.dependOn(test_lib_vt_step);
 
-        const test_include_ghostty_h_exe = b.addTest(.{
-            .name = "ghostty-include-ghostty-h",
-            .filters = test_filters,
-            .root_module = b.createModule(.{
-                .root_source_file = b.path("include/test.zig"),
-                .target = config.baselineTarget(),
-                .optimize = .Debug,
-                .strip = false,
-                .omit_frame_pointer = false,
-                .unwind_tables = .sync,
-                .link_libc = true,
-            }),
-        });
-        test_include_ghostty_h_exe.addIncludePath(b.path("include"));
-        const test_include_ghostty_h_run = b.addRunArtifact(test_include_ghostty_h_exe);
-        test_include_ghostty_h_step.dependOn(&test_include_ghostty_h_run.step);
-        test_step.dependOn(test_include_ghostty_h_step);
-
         // Valgrind test running
         const valgrind_run = b.addSystemCommand(&.{
             "valgrind",

include/test.zig

@@ -1,5 +0,0 @@
-test "ghostty_h" {
-    _ = @cImport({
-        @cInclude("ghostty.h");
-    });
-}

src/apprt/action.zig

@@ -21,7 +21,7 @@ pub const Target = union(Key) {
         app,
         surface,
 
-        test "ghostty_h Target.Key" {
+        test "ghostty.h Target.Key" {
             try lib.checkGhosttyHEnum(Key, "GHOSTTY_TARGET_");
         }
     };
@@ -407,7 +407,7 @@ pub const Action = union(Key) {
         readonly,
         copy_title_to_clipboard,
 
-        test "ghostty_h Action.Key" {
+        test "ghostty.h Action.Key" {
             try lib.checkGhosttyHEnum(Key, "GHOSTTY_ACTION_");
         }
     };
@@ -492,7 +492,7 @@ pub const SplitDirection = enum(c_int) {
     left,
     up,
 
-    test "ghostty_h SplitDirection" {
+    test "ghostty.h SplitDirection" {
         try lib.checkGhosttyHEnum(SplitDirection, "GHOSTTY_SPLIT_DIRECTION_");
     }
 };
@@ -508,7 +508,7 @@ pub const GotoSplit = enum(c_int) {
     down,
     right,
 
-    test "ghostty_h GotoSplit" {
+    test "ghostty.h GotoSplit" {
         try lib.checkGhosttyHEnum(GotoSplit, "GHOSTTY_GOTO_SPLIT_");
     }
 };
@@ -519,7 +519,7 @@ pub const GotoWindow = enum(c_int) {
     previous,
     next,
 
-    test "ghostty_h GotoWindow" {
+    test "ghostty.h GotoWindow" {
         try lib.checkGhosttyHEnum(GotoWindow, "GHOSTTY_GOTO_WINDOW_");
     }
 };
@@ -535,7 +535,7 @@ pub const ResizeSplit = extern struct {
         left,
         right,
 
-        test "ghostty_h ResizeSplit.Direction" {
+        test "ghostty.h ResizeSplit.Direction" {
             try lib.checkGhosttyHEnum(Direction, "GHOSTTY_RESIZE_SPLIT_");
         }
     };
@@ -555,7 +555,7 @@ pub const GotoTab = enum(c_int) {
     _,
 
     // TODO: check non-exhaustive enums
-    // test "ghostty_h GotoTab" {
+    // test "ghostty.h GotoTab" {
     //     try lib.checkGhosttyHEnum(GotoTab, "GHOSTTY_GOTO_TAB_");
     // }
 };
@@ -570,7 +570,7 @@ pub const Fullscreen = enum(c_int) {
     macos_non_native_visible_menu,
     macos_non_native_padded_notch,
 
-    test "ghostty_h Fullscreen" {
+    test "ghostty.h Fullscreen" {
         try lib.checkGhosttyHEnum(Fullscreen, "GHOSTTY_FULLSCREEN_");
     }
 };
@@ -580,7 +580,7 @@ pub const FloatWindow = enum(c_int) {
     off,
     toggle,
 
-    test "ghostty_h FloatWindow" {
+    test "ghostty.h FloatWindow" {
         try lib.checkGhosttyHEnum(FloatWindow, "GHOSTTY_FLOAT_WINDOW_");
     }
 };
@@ -590,7 +590,7 @@ pub const SecureInput = enum(c_int) {
     off,
     toggle,
 
-    test "ghostty_h SecureInput" {
+    test "ghostty.h SecureInput" {
         try lib.checkGhosttyHEnum(SecureInput, "GHOSTTY_SECURE_INPUT_");
     }
 };
@@ -601,7 +601,7 @@ pub const Inspector = enum(c_int) {
     show,
     hide,
 
-    test "ghostty_h Inspector" {
+    test "ghostty.h Inspector" {
         try lib.checkGhosttyHEnum(Inspector, "GHOSTTY_INSPECTOR_");
     }
 };
@@ -610,7 +610,7 @@ pub const QuitTimer = enum(c_int) {
     start,
     stop,
 
-    test "ghostty_h QuitTimer" {
+    test "ghostty.h QuitTimer" {
         try lib.checkGhosttyHEnum(QuitTimer, "GHOSTTY_QUIT_TIMER_");
     }
 };
@@ -619,7 +619,7 @@ pub const Readonly = enum(c_int) {
     off,
     on,
 
-    test "ghostty_h Readonly" {
+    test "ghostty.h Readonly" {
         try lib.checkGhosttyHEnum(Readonly, "GHOSTTY_READONLY_");
     }
 };
@@ -628,7 +628,7 @@ pub const MouseVisibility = enum(c_int) {
     visible,
     hidden,
 
-    test "ghostty_h MouseVisibility" {
+    test "ghostty.h MouseVisibility" {
         try lib.checkGhosttyHEnum(MouseVisibility, "GHOSTTY_MOUSE_");
     }
 };
@@ -638,7 +638,7 @@ pub const PromptTitle = enum(c_int) {
     surface,
     tab,
 
-    test "ghostty_h PromptTitle" {
+    test "ghostty.h PromptTitle" {
         try lib.checkGhosttyHEnum(PromptTitle, "GHOSTTY_PROMPT_TITLE_");
     }
 };
@@ -846,7 +846,7 @@ pub const ColorKind = enum(c_int) {
     _,
 
     // TODO: check non-non-exhaustive enums
-    // test "ghostty_h ColorKind" {
+    // test "ghostty.h ColorKind" {
     //     try lib.checkGhosttyHEnum(ColorKind, "GHOSTTY_COLOR_KIND_");
     // }
 };
@@ -900,7 +900,7 @@ pub const OpenUrl = struct {
         /// The URL is known to contain HTML content.
         html,
 
-        test "ghostty_h OpenUrl.Kind" {
+        test "ghostty.h OpenUrl.Kind" {
             try lib.checkGhosttyHEnum(Kind, "GHOSTTY_ACTION_OPEN_URL_KIND_");
         }
     };
@@ -930,7 +930,7 @@ pub const CloseTabMode = enum(c_int) {
     /// Close all tabs to the right of the current tab.
     right,
 
-    test "ghostty_h CloseTabMode" {
+    test "ghostty.h CloseTabMode" {
         try lib.checkGhosttyHEnum(CloseTabMode, "GHOSTTY_ACTION_CLOSE_TAB_MODE_");
     }
 };

src/apprt/ipc.zig

@@ -24,7 +24,7 @@ pub const Target = union(Key) {
         class,
         detect,
 
-        test "ghostty_h Target.Key" {
+        test "ghostty.h Target.Key" {
             try lib.checkGhosttyHEnum(Key, "GHOSTTY_IPC_TARGET_");
         }
     };
@@ -114,7 +114,7 @@ pub const Action = union(enum) {
     pub const Key = enum(c_int) {
         new_window,
 
-        test "ghostty_h Action.Key" {
+        test "ghostty.h Action.Key" {
             try lib.checkGhosttyHEnum(Key, "GHOSTTY_IPC_ACTION_");
         }
     };

src/lib/enum.zig

@@ -93,18 +93,18 @@ test "abi by removing a key" {
 }
 
 /// Verify that for every key in enum T, there is a matching declaration in
-/// `ghostty.h` with the correct value.
+/// `ghostty.h` with the correct value. This should only ever be called inside a `test`
+/// because the `ghostty.h` module is only available then.
 pub fn checkGhosttyHEnum(comptime T: type, comptime prefix: []const u8) !void {
     const info = @typeInfo(T);
 
     try std.testing.expect(info == .@"enum");
     try std.testing.expect(info.@"enum".tag_type == c_int);
+    try std.testing.expect(info.@"enum".is_exhaustive == true);
 
     @setEvalBranchQuota(1000000);
 
-    const c = @cImport({
-        @cInclude("ghostty.h");
-    });
+    const c = @import("ghostty.h");
 
     var set: std.EnumSet(T) = .initFull();
 
@@ -137,8 +137,8 @@ pub fn checkGhosttyHEnum(comptime T: type, comptime prefix: []const u8) !void {
         var it = set.iterator();
         while (it.next()) |v| {
             var buf: [128]u8 = undefined;
-            const n = std.ascii.upperString(&buf, @tagName(v));
-            std.log.err("ghostty.h is missing value for {s}{s}, {t}", .{ prefix, n, v });
+            const upper_string = std.ascii.upperString(&buf, @tagName(v));
+            std.log.err("ghostty.h is missing value for {s}{s}", .{ prefix, upper_string });
         }
         return e;
     };

src/renderer.zig

@@ -48,7 +48,7 @@ pub const Health = enum(c_int) {
     healthy,
     unhealthy,
 
-    test "ghostty_h Health" {
+    test "ghostty.h Health" {
         try lib.checkGhosttyHEnum(Health, "GHOSTTY_RENDERER_HEALTH_");
     }
 };

src/terminal/mouse_shape.zig

@@ -65,7 +65,7 @@ pub const MouseShape = enum(c_int) {
         };
     };
 
-    test "ghostty_h MouseShape" {
+    test "ghostty.h MouseShape" {
         try lib.checkGhosttyHEnum(MouseShape, "GHOSTTY_MOUSE_SHAPE_");
     }
 };

src/terminal/osc.zig

@@ -199,7 +199,7 @@ pub const Command = union(Key) {
             indeterminate,
             pause,
 
-            test "ghostty_h Command.ProgressReport.State" {
+            test "ghostty.h Command.ProgressReport.State" {
                 try lib.checkGhosttyHEnum(State, "GHOSTTY_PROGRESS_STATE_");
             }
         };