Chore: Rewrite ldap login test to standard library (#29998)

* Chore: Rewrite ldap login test to standard library

* Preserve original ldap enabled setting after test

pkg/login/ldap_login_test.go

@@ -8,17 +8,16 @@ import (
 	"github.com/grafana/grafana/pkg/services/ldap"
 	"github.com/grafana/grafana/pkg/services/multildap"
 	"github.com/grafana/grafana/pkg/setting"
-	. "github.com/smartystreets/goconvey/convey"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 var errTest = errors.New("test error")
 
-func TestLDAPLogin(t *testing.T) {
-	Convey("Login using ldap", t, func() {
-		Convey("Given ldap enabled and no server configured", func() {
+func TestLoginUsingLDAP(t *testing.T) {
+	LDAPLoginScenario(t, "When LDAP enabled and no server configured", func(sc *LDAPLoginScenarioContext) {
 		setting.LDAPEnabled = true
 
-			LDAPLoginScenario("When login", func(sc *LDAPLoginScenarioContext) {
 		sc.withLoginResult(false)
 		getLDAPConfig = func(*setting.Cfg) (*ldap.Config, error) {
 			config := &ldap.Config{
@@ -29,44 +28,21 @@ func TestLDAPLogin(t *testing.T) {
 		}
 
 		enabled, err := loginUsingLDAP(sc.loginUserQuery)
+		require.EqualError(t, err, errTest.Error())
 
-				Convey("it should return true", func() {
-					So(enabled, ShouldBeTrue)
+		assert.True(t, enabled)
+		assert.True(t, sc.LDAPAuthenticatorMock.loginCalled)
 	})
 
-				Convey("it should return no LDAP servers error", func() {
-					So(err, ShouldEqual, errTest)
-				})
-
-				Convey("it should not call ldap login", func() {
-					So(sc.LDAPAuthenticatorMock.loginCalled, ShouldBeTrue)
-				})
-			})
-		})
-
-		Convey("Given ldap disabled", func() {
+	LDAPLoginScenario(t, "When LDAP disabled", func(sc *LDAPLoginScenarioContext) {
 		setting.LDAPEnabled = false
 
-			LDAPLoginScenario("When login", func(sc *LDAPLoginScenarioContext) {
 		sc.withLoginResult(false)
-				enabled, err := loginUsingLDAP(&models.LoginUserQuery{
-					Username: "user",
-					Password: "pwd",
-				})
-
-				Convey("it should return false", func() {
-					So(enabled, ShouldBeFalse)
-				})
-
-				Convey("it should not return error", func() {
-					So(err, ShouldBeNil)
-				})
+		enabled, err := loginUsingLDAP(sc.loginUserQuery)
+		require.NoError(t, err)
 
-				Convey("it should not call ldap login", func() {
-					So(sc.LDAPAuthenticatorMock.loginCalled, ShouldBeFalse)
-				})
-			})
-		})
+		assert.False(t, enabled)
+		assert.False(t, sc.LDAPAuthenticatorMock.loginCalled)
 	})
 }
 
@@ -137,8 +113,10 @@ type LDAPLoginScenarioContext struct {
 
 type LDAPLoginScenarioFunc func(c *LDAPLoginScenarioContext)
 
-func LDAPLoginScenario(desc string, fn LDAPLoginScenarioFunc) {
-	Convey(desc, func() {
+func LDAPLoginScenario(t *testing.T, desc string, fn LDAPLoginScenarioFunc) {
+	t.Helper()
+
+	t.Run(desc, func(t *testing.T) {
 		mock := &mockAuth{}
 
 		sc := &LDAPLoginScenarioContext{
@@ -152,10 +130,12 @@ func LDAPLoginScenario(desc string, fn LDAPLoginScenarioFunc) {
 
 		origNewLDAP := newLDAP
 		origGetLDAPConfig := getLDAPConfig
-		defer func() {
+		origLDAPEnabled := setting.LDAPEnabled
+		t.Cleanup(func() {
 			newLDAP = origNewLDAP
 			getLDAPConfig = origGetLDAPConfig
-		}()
+			setting.LDAPEnabled = origLDAPEnabled
+		})
 
 		getLDAPConfig = func(*setting.Cfg) (*ldap.Config, error) {
 			config := &ldap.Config{