added test to auth_grpc_client.go file in grpc package

chaoscenter/graphql/server/pkg/grpc/auth_grpc_client_test.go

@@ -0,0 +1,55 @@
+package grpc
+
+import (
+	"context"
+	"testing"
+
+	"github.com/litmuschaos/litmus/chaoscenter/graphql/server/protos"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+)
+
+type MockAuthRpcServiceClient struct{}
+
+func (m *MockAuthRpcServiceClient) ValidateRequest(ctx context.Context, req *protos.ValidationRequest, opts ...grpc.CallOption) (*protos.ValidationResponse, error) {
+	// You can implement custom logic here for the mock, based on the input req
+	if req.Invitation == "invalid-invitation" {
+		return &protos.ValidationResponse{
+			IsValid: false,
+			Error:   "Invalid invitation",
+		}, nil
+	}
+	return &protos.ValidationResponse{
+		IsValid: true,
+	}, nil
+}
+
+func (m *MockAuthRpcServiceClient) GetProjectById(ctx context.Context, req *protos.GetProjectByIdRequest, opts ...grpc.CallOption) (*protos.GetProjectByIdResponse, error) {
+	// Mock implementation for GetProjectById if needed
+	return nil, nil
+}
+
+func (m *MockAuthRpcServiceClient) GetUserById(ctx context.Context, req *protos.GetUserByIdRequest, opts ...grpc.CallOption) (*protos.GetUserByIdResponse, error) {
+	// Mock implementation for GetUserById if needed
+	return nil, nil
+}
+
+func TestValidatorGRPCRequest_Valid(t *testing.T) {
+	// Create a mock client
+	mockClient := &MockAuthRpcServiceClient{}
+
+	// Call the ValidatorGRPCRequest function with the mock client
+	err := ValidatorGRPCRequest(mockClient, "mock-jwt", "mock-project-id", []string{"role1", "role2"}, "invitation")
+	assert.NoError(t, err, "Expected no error when validation is successful")
+}
+
+func TestValidatorGRPCRequest_Invalid(t *testing.T) {
+	// Create a mock client
+	mockClient := &MockAuthRpcServiceClient{}
+
+	// Call the ValidatorGRPCRequest function with the mock client, making it fail
+	err := ValidatorGRPCRequest(mockClient, "mock-jwt", "mock-project-id", []string{"role1", "role2"}, "invalid-invitation")
+	assert.Error(t, err, "Expected an error when validation fails")
+}
+
+// Additional tests can be written for other functions in the grpc package if required.