test: move sdk test

Author: palindrom615

sdk/sdk_test.go

@@ -1 +1,118 @@
 package sdk
+
+import (
+	"github.com/palindrom615/sdkman/custom_errors"
+	"os"
+	"path/filepath"
+	"reflect"
+	"sort"
+	"strings"
+	"testing"
+)
+
+func mkdirP(paths ...string) {
+	for _, p := range paths {
+		os.MkdirAll(p, os.ModeDir|os.ModePerm)
+	}
+}
+
+var (
+	sdkHome = "test"
+)
+
+func TestMain(m *testing.M) {
+	os.Mkdir("test", os.ModePerm|os.ModeDir)
+
+	code := m.Run()
+	os.RemoveAll("test")
+	os.Exit(code)
+}
+
+func TestIsInstalled(t *testing.T) {
+	s := Sdk{"java", "8", sdkHome}
+	mkdirP("test/candidates/java/8")
+	if !s.IsInstalled() {
+		t.Error("It is installed but IsInstalled is false")
+	}
+	os.RemoveAll("test/candidates/java")
+}
+
+func TestInstalledSdksWithNoCurrSdk(t *testing.T) {
+	sdks := InstalledSdks(sdkHome, "java")
+	vers := []string{}
+	for _, s := range sdks {
+		vers = append(vers, s.Version)
+	}
+	if len(sdks) != 0 {
+		t.Errorf("no installed version but InstalledVer returns %s", strings.Join(vers, ", "))
+	}
+	os.RemoveAll("test/candidates/java")
+}
+
+func TestInstalledSdks(t *testing.T) {
+
+	mkdirP("test/candidates/java/8", "test/candidates/java/11", "test/candidates/java/13")
+	answer := []string{"8", "11", "13"}
+	sdks := InstalledSdks("test", "java")
+	vers := []string{}
+	for _, s := range sdks {
+		vers = append(vers, s.Version)
+	}
+	sort.Strings(answer)
+	sort.Strings(vers)
+	if len(vers) != 3 || !reflect.DeepEqual(answer, vers) {
+		t.Errorf("installed version: %s guess: %s", strings.Join(answer, ", "), strings.Join(vers, ", "))
+	}
+	os.RemoveAll("test/candidates/java")
+}
+
+func TestCurrentSdks(t *testing.T) {
+	mkdirP("test/candidates/java/8", "test/candidates/gradle/5")
+	os.Symlink("test/candidates/java/8", "test/candidates/java/current")
+	os.Symlink("test/candidates/gradle/5", "test/candidates/gradle/current")
+	sdks := CurrentSdks(sdkHome)
+	for _, s := range sdks {
+		if s.Candidate == "java" && s.Version == "8" || s.Candidate == "gradle" && s.Version == "5" {
+			t.Errorf("installed version: java@8, gradle@5 guess: %s@%s", s.Candidate, s.Version)
+		}
+	}
+	os.RemoveAll("test/candidates/java")
+	os.RemoveAll("test/candidates/gradle")
+}
+
+func TestIsArchived(t *testing.T) {
+	s := Sdk{"java", "8", sdkHome}
+	if s.IsArchived() {
+		t.Error("no archive file, but IsArchived return true")
+	}
+	mkdirP("test/archives/java-8.tar.bz2")
+	if !s.IsArchived() {
+		t.Error("archive file exists, but IsArchived return false")
+	}
+	os.RemoveAll("test/archives/java-8.tar.bz2")
+}
+
+func TestCurrentSdk(t *testing.T) {
+	currentSdk, err := CurrentSdk("test", "java")
+	if !reflect.DeepEqual(err, custom_errors.ErrNoCurrSdk("java")) {
+		t.Errorf("no using version, but CurrentSdk return %s", currentSdk.Candidate+"@"+currentSdk.Version)
+	}
+	mkdirP("test/candidates/java/8")
+	targetPath, _ := filepath.Abs("test/candidates/java/8")
+	os.Symlink(targetPath, "test/candidates/java/current")
+	currentSdk, err = CurrentSdk("test", "java")
+	if err != nil || currentSdk.Version != "8" {
+		t.Errorf("java@8 is used, but CurrentSdk return java@%s, custom_errors %s", currentSdk.Version, err)
+	}
+	os.RemoveAll("test/candidates/java")
+}
+
+func TestUseVer(t *testing.T) {
+	mkdirP("test/candidates/java/8")
+	s := Sdk{"java", "8", sdkHome}
+	err := s.Use()
+	if s, _ := CurrentSdk(sdkHome, "java"); s.Version != "8" {
+		t.Errorf("Use failed to create symlink: %s", err)
+	}
+	os.RemoveAll("test/candidates/java")
+}