tt: fix unit tests

Fixed unit tests.
Since /private/var and /var/ in macOS are symlinks, there is no real
difference between them and it should not cause error.
Added macOS support for TestGetVersions.

Follow up #254
Closes #170

cli/build/build_test.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"github.com/tarantool/tt/cli/util"
 )
 
 const testDirName = "build-test-dir"
@@ -24,17 +25,26 @@ func TestFillCtx(t *testing.T) {
 	require.NoError(t, os.Chdir(workDir))
 	defer os.Chdir(wd)
 	var buildCtx BuildCtx
+
+	osType, _ := util.GetOs()
+	switch osType {
+	case util.OsMacos:
+		workDir = filepath.Join("/private", workDir)
+	}
+	appDir := filepath.Join(workDir, "app1")
+	appDir2 := filepath.Join(workDir, "app2")
+
 	require.NoError(t, FillCtx(&buildCtx, []string{"app1"}))
-	assert.Equal(t, buildCtx.BuildDir, filepath.Join(workDir, "app1"))
+	assert.Equal(t, buildCtx.BuildDir, appDir)
 	require.NoError(t, FillCtx(&buildCtx, []string{"./app1"}))
-	assert.Equal(t, buildCtx.BuildDir, filepath.Join(workDir, "app1"))
+	assert.Equal(t, buildCtx.BuildDir, appDir)
 
 	require.NoError(t, FillCtx(&buildCtx, []string{}))
 	assert.Equal(t, buildCtx.BuildDir, workDir)
 
 	require.EqualError(t, FillCtx(&buildCtx, []string{"app1", "app2"}), "too many args")
 	require.EqualError(t, FillCtx(&buildCtx, []string{"app2"}),
-		fmt.Sprintf("stat %s: no such file or directory", filepath.Join(workDir, "app2")))
+		fmt.Sprintf("stat %s: no such file or directory", appDir2))
 
 	require.NoError(t, FillCtx(&buildCtx, []string{filepath.Join(workDir, "app1")}))
 	assert.Equal(t, buildCtx.BuildDir, filepath.Join(workDir, "app1"))
@@ -62,8 +72,18 @@ func TestFillCtxAppPathIsFile(t *testing.T) {
 	require.NoError(t, os.Chdir(workDir))
 	defer os.Chdir(wd)
 	var buildCtx BuildCtx
+
+	osType, _ := util.GetOs()
+	appDir := ""
+	switch osType {
+	case util.OsMacos:
+		appDir = filepath.Join("/private", workDir, "app1")
+	case util.OsLinux:
+		appDir = filepath.Join(workDir, "app1")
+	}
+
 	require.EqualError(t, FillCtx(&buildCtx, []string{"app1"}),
-		fmt.Sprintf("%s is not a directory", filepath.Join(workDir, "app1")))
+		fmt.Sprintf("%s is not a directory", appDir))
 }
 
 func TestFillCtxMultipleArgs(t *testing.T) {

cli/configure/configure_test.go

@@ -216,6 +216,14 @@ func TestGetConfigPath(t *testing.T) {
 	require.NoError(t, os.Remove(filepath.Join(tempDir, "a", "tarantool.yaml")))
 
 	configName, err = getConfigPath(ConfigName)
-	assert.Equal(t, filepath.Join(tempDir, "a", "tarantool.yml"), configName)
+
+	osType, _ := util.GetOs()
+	prefix := ""
+	switch osType {
+	case util.OsMacos:
+		prefix = "/private"
+	}
+
+	assert.Equal(t, filepath.Join(prefix, tempDir, "a", "tarantool.yml"), configName)
 	assert.NoError(t, err)
 }

cli/install_ee/install_ee_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/tarantool/tt/cli/util"
 	"github.com/tarantool/tt/cli/version"
 )
 
@@ -30,9 +31,34 @@ func TestGetVersions(t *testing.T) {
 			err:    fmt.Errorf("no packages for this OS"),
 		}
 
-	inputData1 := []byte(`<a href="/enterprise/tarantool-enterprise-bundle-` +
-		`1.10.10-52-g0df29b137-r419.tar.gz">tarantool-enterprise-bundle-1.10.10-` +
-		`52-g0df29b137-r419.tar.gz</a>                                      2021-08-18 ` +
+	arch, err := util.GetArch()
+	assert.Nil(err)
+
+	osType, err := util.GetOs()
+	assert.Nil(err)
+	inputData1 := []byte(``)
+	osName := ""
+	switch osType {
+	case util.OsLinux:
+		// Bundles without specifying the architecture are all x86_64.
+		if arch == "x86_64" {
+			arch = ""
+		}
+	case util.OsMacos:
+		// Bundles without specifying the architecture are all x86_64.
+		if arch == "x86_64" {
+			osName = "-macosx-"
+			arch = "x86_64"
+		} else {
+			osName = "-macosx-"
+		}
+	}
+
+	inputData1 = []byte(`<a href="/enterprise/tarantool-enterprise-bundle-` +
+		`1.10.10-52-g0df29b137-r419` + osName + arch +
+		`.tar.gz">tarantool-enterprise-bundle-1.10.10-` +
+		`52-g0df29b137-r419` + osName + arch + `.tar.gz</a>` +
+		`                                      2021-08-18 ` +
 		`15:56:04                   260136444`)
 
 	testCases[getVersionsInputValue{data: &inputData1}] =
@@ -47,7 +73,8 @@ func TestGetVersions(t *testing.T) {
 					Release:    version.Release{Type: version.TypeRelease},
 					Hash:       "g0df29b137",
 					Str:        "1.10.10-52-g0df29b137-r419",
-					Tarball:    "tarantool-enterprise-bundle-1.10.10-52-g0df29b137-r419.tar.gz",
+					Tarball: "tarantool-enterprise-bundle-1.10.10-52-g0df29b137-r419" +
+						osName + arch + ".tar.gz",
 				},
 			},
 			err: nil,

cli/util/util.go

@@ -665,8 +665,14 @@ func ExecuteCommandStdin(program string, isVerbose bool, logFile *os.File, workD
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
 	} else {
-		cmd.Stdout = logFile
-		cmd.Stderr = logFile
+		if logFile != nil {
+			cmd.Stdout = logFile
+			cmd.Stderr = logFile
+		} else {
+			cmd.Stdout = ioutil.Discard
+			cmd.Stderr = ioutil.Discard
+		}
+
 	}
 	if workDir == "" {
 		workDir, _ = os.Getwd()