feat: Integration tests for CreateInstance v2 endpoint (#9452)

internal/api/grpc/instance/v2/integration_test/instance_test.go

@@ -0,0 +1,103 @@
+//go:build integration
+
+package instance_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/zitadel/zitadel/internal/integration"
+	instance "github.com/zitadel/zitadel/pkg/grpc/instance/v2beta"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+func TestCreateInstance(t *testing.T) {
+	tt := []struct {
+		testName          string
+		inputRequest      *instance.CreateInstanceRequest
+		inputContext      context.Context
+		expectedErrorMsg  string
+		expectedErrorCode codes.Code
+	}{
+		{
+			testName: "when invalid context should return unauthN error",
+			inputRequest: &instance.CreateInstanceRequest{
+				InstanceName: " ",
+				FirstOrgName: " ",
+				CustomDomain: " ",
+				Owner: &instance.CreateInstanceRequest_Machine_{
+					Machine: &instance.CreateInstanceRequest_Machine{
+						UserName:            "owner",
+						Name:                "owner",
+						PersonalAccessToken: &instance.CreateInstanceRequest_PersonalAccessToken{},
+					},
+				},
+				DefaultLanguage: "",
+			},
+			inputContext:      context.Background(),
+			expectedErrorCode: codes.Unauthenticated,
+			expectedErrorMsg:  "auth header missing",
+		},
+		{
+			testName: "when invalid input should return no admin error",
+			inputRequest: &instance.CreateInstanceRequest{
+				InstanceName:    " ",
+				FirstOrgName:    " ",
+				CustomDomain:    " ",
+				DefaultLanguage: "",
+				Owner: &instance.CreateInstanceRequest_Human_{
+					Human: &instance.CreateInstanceRequest_Human{
+						Email: &instance.CreateInstanceRequest_Email{
+							Email: " user@example.com ",
+						},
+					},
+				},
+			},
+			inputContext:      CTXWithSysAuthZ,
+			expectedErrorCode: codes.InvalidArgument,
+			expectedErrorMsg:  "Given name in profile is empty (USER-UCej2)",
+		},
+		{
+			testName: "when input and context are valid should return expected response and no error",
+			inputRequest: &instance.CreateInstanceRequest{
+				InstanceName: " ",
+				FirstOrgName: " ",
+				CustomDomain: " ",
+				Owner: &instance.CreateInstanceRequest_Machine_{
+					Machine: &instance.CreateInstanceRequest_Machine{
+						UserName:            "owner",
+						Name:                "owner",
+						PersonalAccessToken: &instance.CreateInstanceRequest_PersonalAccessToken{},
+					},
+				},
+				DefaultLanguage: "",
+			},
+			inputContext: CTXWithSysAuthZ,
+		},
+	}
+
+	for _, tc := range tt {
+		t.Run(tc.testName, func(t *testing.T) {
+			// Given
+			cli, err := integration.NewDefaultClient(CTXWithSysAuthZ)
+			require.Nil(t, err)
+
+			// Test
+			res, err := cli.InstanceV2Beta.CreateInstance(tc.inputContext, tc.inputRequest)
+
+			// Verify
+			assert.Equal(t, tc.expectedErrorCode, status.Code(err))
+			assert.Equal(t, tc.expectedErrorMsg, status.Convert(err).Message())
+			if tc.expectedErrorMsg == "" {
+				require.NotEmpty(t, res.GetInstanceId())
+				assert.NotEmpty(t, res.GetPat())
+
+				require.NotNil(t, res.GetDetails())
+				assert.NotEmpty(t, res.GetDetails().GetResourceOwner())
+			}
+		})
+	}
+}