added simple support of testing lanai-cli

Author: stonedu1011

cmd/lanai-cli/cmdutils/global.go

@@ -41,6 +41,7 @@ type Global struct {
 	TmpDir     string `flag:"tmp-dir" desc:"temporary directory."`
 	OutputDir  string `flag:"output,o" desc:"output directory. All non-absolute paths for output are relative to this directory"`
 	Verbose    bool   `flag:"debug" desc:"show debug information"`
+	DryRun     bool   `flag:"dry-run" desc:"do not actually execute shell commands"`
 }
 
 func (g Global) AbsPath(base, path string) string {

cmd/lanai-cli/cmdutils/shell.go

@@ -149,6 +149,11 @@ func runSingleCommand(ctx context.Context, cmd string, opt *ShCmdOption) (uint8,
 		logger.WithContext(ctx).Infof("Shell Command: %s", cmd)
 	}
 
+	if GlobalArgs.DryRun {
+		logger.WithContext(ctx).Infof("Run: %s", cmd)
+		return 0, nil
+	}
+
 	if e := r.Run(ctx, p); e != nil {
 		if status, ok := interp.IsExitStatus(err); ok {
 			return status, e

cmd/lanai-cli/initcmd/binaries_test.go

@@ -0,0 +1,48 @@
+package initcmd
+
+import (
+	"context"
+	"github.com/cisco-open/go-lanai/cmd/lanai-cli/cmdutils"
+	"github.com/cisco-open/go-lanai/test"
+	"github.com/onsi/gomega"
+	"testing"
+)
+
+func TestInstallBinaries(t *testing.T) {
+	test.RunTest(context.Background(), t,
+		test.Setup(SetupGlobalArgs()),
+		test.GomegaSubTest(SubTestWithBinaryOverride(), "WithBinaryOverride"),
+	)
+}
+
+/*************************
+	Sub-Test Cases
+ *************************/
+
+func SetupGlobalArgs() test.SetupFunc {
+	return func(ctx context.Context, t *testing.T) (context.Context, error) {
+		cmdutils.GlobalArgs.DryRun = true
+		return ctx, nil
+	}
+}
+
+func SubTestWithBinaryOverride() test.GomegaSubTestFunc {
+	return func(ctx context.Context, t *testing.T, g *gomega.WithT) {
+		Module.Binaries = []*Binary{
+			{
+				Package: "github.com/golangci/golangci-lint/cmd/golangci-lint",
+				Version: "",
+			},
+			{
+				Package: "github.com/golangci/golangci-lint/v2/cmd/golangci-lint",
+				Version: "v2.1.4",
+			},
+			{
+				Package: "",
+				Version: "v0.0.0",
+			},
+		}
+		e := installBinaries(ctx)
+		g.Expect(e).To(gomega.Succeed())
+	}
+}