From 760a9246618862b56bafe3dd5d95a77fdd668a6c Mon Sep 17 00:00:00 2001
From: Nic Gaffney <gaffney_nic@protonmail.com>
Date: Tue, 13 Aug 2024 20:36:31 -0500
Subject: Unit tests now pass

---
 build.zig | 54 +++++++++++++++++++++++-------------------------------
 1 file changed, 23 insertions(+), 31 deletions(-)

(limited to 'build.zig')

diff --git a/build.zig b/build.zig
index e8b9c5e..4606ade 100644
--- a/build.zig
+++ b/build.zig
@@ -13,7 +13,8 @@ pub fn build(b: *std.Build) !void {
     });
 
     const llvm = b.dependency("llvm-zig", .{});
-    exe.root_module.addImport("llvm", llvm.module("llvm"));
+    _ = try b.modules.put("llvm", llvm.module("llvm"));
+    exe.root_module.addImport("llvm", b.modules.get("llvm").?);
 
     b.installArtifact(exe);
 
@@ -28,38 +29,29 @@ pub fn build(b: *std.Build) !void {
     const run_step = b.step("run", "Run the compiler");
     run_step.dependOn(&run_cmd.step);
 
-    const exe_unit_tests = b.addTest(.{
-        .root_source_file = b.path("src/main.zig"),
-        .target = target,
-        .optimize = optimize,
-    });
-
-    const token_unit_tests = b.addTest(.{
-        .root_source_file = b.path("src/tokenize.zig"),
-        .target = target,
-        .optimize = optimize,
-    });
-
-    const parse_unit_tests = b.addTest(.{
-        .root_source_file = b.path("src/parser.zig"),
-        .target = target,
-        .optimize = optimize,
-    });
+    const test_step = b.step("test", "Run unit tests");
+    for ([_][]const u8{
+        "src/main.zig",
+        "src/tokenize.zig",
+        "src/parser.zig",
+        "src/codegen.zig",
+    }) |file|
+        unit_test(b, target, optimize, test_step, file);
+}
 
-    const codegen_unit_tests = b.addTest(.{
-        .root_source_file = b.path("src/codegen.zig"),
+fn unit_test(
+    b: *std.Build,
+    target: std.Build.ResolvedTarget,
+    optimize: std.builtin.OptimizeMode,
+    test_step: *std.Build.Step,
+    fname: []const u8,
+) void {
+    const unit = b.addTest(.{
+        .root_source_file = b.path(fname),
         .target = target,
         .optimize = optimize,
     });
-
-    const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
-    const run_token_unit_tests = b.addRunArtifact(token_unit_tests);
-    const run_parse_unit_tests = b.addRunArtifact(parse_unit_tests);
-    const run_codegen_unit_tests = b.addRunArtifact(codegen_unit_tests);
-
-    const test_step = b.step("test", "Run unit tests");
-    test_step.dependOn(&run_exe_unit_tests.step);
-    test_step.dependOn(&run_token_unit_tests.step);
-    test_step.dependOn(&run_parse_unit_tests.step);
-    test_step.dependOn(&run_codegen_unit_tests.step);
+    const unit_tests = b.addRunArtifact(unit);
+    test_step.dependOn(&unit_tests.step);
+    unit.root_module.addImport("llvm", b.modules.get("llvm").?);
 }
-- 
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