test: add compile test

internal/crosscompile/compile/compile.go

@@ -43,7 +43,7 @@ func (g CompileGroup) Compile(outputDir, cc, linkerName string, extraCCFlags, ex
 
 	compiler := clang.NewCompiler(cfg)
 
-	compiler.Verbose = true
+	compiler.Verbose = false
 
 	archive := filepath.Join(outputDir, g.OutputFileName)
 	fmt.Fprintf(os.Stderr, "Start to compile group %s to %s...\n", g.OutputFileName, archive)
@@ -75,8 +75,9 @@ func (g CompileGroup) Compile(outputDir, cc, linkerName string, extraCCFlags, ex
 	llvmAr := filepath.Join(ccDir, "llvm-ar")
 
 	cmd := exec.Command(llvmAr, args...)
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
+	// TODO(MeteorsLiu): support verbose
+	// cmd.Stdout = os.Stdout
+	// cmd.Stderr = os.Stderr
 	err = cmd.Run()
 	return
 }

internal/crosscompile/compile/compile_test.go

@@ -0,0 +1,142 @@
+package compile
+
+import (
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/goplus/llgo/xtool/nm"
+)
+
+func TestIsCompile(t *testing.T) {
+	t.Run("IsCompile Not Exists", func(t *testing.T) {
+		cfg := CompileConfig{
+			Groups: []CompileGroup{
+				{
+					OutputFileName: "fakefile1.a",
+				},
+			},
+		}
+
+		if cfg.IsCompiled(".") || cfg.Groups[0].IsCompiled(".") {
+			t.Errorf("unexpected result: should false")
+		}
+	})
+	t.Run("IsCompile Exists", func(t *testing.T) {
+		tmpFile, err := os.CreateTemp(".", "test*.a")
+		if err != nil {
+			t.Error(err)
+			return
+		}
+		defer os.Remove(tmpFile.Name())
+		cfg := CompileConfig{
+			Groups: []CompileGroup{
+				{
+					OutputFileName: tmpFile.Name(),
+				},
+			},
+		}
+
+		if !cfg.IsCompiled(".") && !cfg.Groups[0].IsCompiled(".") {
+			t.Errorf("unexpected result: should true")
+		}
+	})
+}
+
+func TestCompile(t *testing.T) {
+	t.Run("Skip compile", func(t *testing.T) {
+		tmpFile, err := os.CreateTemp(".", "test*.a")
+		if err != nil {
+			t.Error(err)
+			return
+		}
+		defer os.Remove(tmpFile.Name())
+		group := CompileGroup{
+			OutputFileName: tmpFile.Name(),
+		}
+		err = group.Compile(".", "clang", "lld", nil, nil)
+		if err != nil {
+			t.Errorf("unexpected result: should nil")
+		}
+	})
+
+	t.Run("TmpDir Fail", func(t *testing.T) {
+		err := os.Mkdir("test-compile", 0)
+		if err != nil {
+			t.Error(err)
+			return
+		}
+		defer os.RemoveAll("test-compile")
+
+		os.Setenv("TMPDIR", "test-compile")
+		defer os.Unsetenv("TMPDIR")
+
+		group := CompileGroup{
+			OutputFileName: "nop.a",
+		}
+		err = group.Compile(".", "clang", "lld", nil, nil)
+		if err == nil {
+			t.Errorf("unexpected result: should not nil")
+		}
+	})
+
+	t.Run("Compile", func(t *testing.T) {
+		tmpFile, err := os.CreateTemp("", "test*.c")
+		if err != nil {
+			t.Error(err)
+			return
+		}
+		defer os.Remove(tmpFile.Name())
+
+		_, err = tmpFile.Write([]byte(`#include <math.h>
+		void Foo() {
+			double x = 2.0;
+			double y = sqrt(x);
+			(void) y ;
+		}
+		`))
+		if err != nil {
+			t.Error(err)
+			return
+		}
+
+		group := CompileGroup{
+			OutputFileName: "nop.a",
+			Files:          []string{tmpFile.Name()},
+		}
+		err = group.Compile(".", "clang", "lld", []string{"-nostdinc"}, nil)
+		if err == nil {
+			t.Errorf("unexpected result: should not nil")
+		}
+		err = group.Compile(".", "clang", "lld", nil, nil)
+		if err != nil {
+			t.Errorf("unexpected result: should not nil")
+		}
+		if _, err := os.Stat("nop.a"); os.IsNotExist(err) {
+			t.Error("unexpected result: compiled nop.a not found")
+			return
+		}
+		defer os.Remove("nop.a")
+
+		items, err := nm.New("").List("nop.a")
+		if err != nil {
+			t.Error(err)
+			return
+		}
+
+		want := "Foo"
+		found := false
+	loop:
+		for _, item := range items {
+			for _, sym := range item.Symbols {
+				if strings.Contains(sym.Name, want) {
+					found = true
+					break loop
+				}
+			}
+		}
+		if !found {
+			t.Errorf("cannot find symbol Foo")
+		}
+	})
+}

internal/crosscompile/fetch_test.go

@@ -287,7 +287,7 @@ func TestDownloadAndExtractArchive(t *testing.T) {
 
 func TestDownloadAndExtractArchiveUnsupportedFormat(t *testing.T) {
 	server := createTestServer(t, map[string]string{
-		"test.zip": "fake zip content",
+		"test.7z": "fake zip content",
 	})
 	defer server.Close()