389 lines
12 KiB
Go
389 lines
12 KiB
Go
/*
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* SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package validation
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import (
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"strings"
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"testing"
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nvidiacomv1alpha1 "github.com/ai-dynamo/dynamo/deploy/operator/api/v1alpha1"
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apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func TestDynamoGraphDeploymentRequestValidator_Validate(t *testing.T) {
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validConfig := `{"engine": {"backend": "vllm"}, "deployment": {"model": "test-model"}}`
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validConfigWithHardware := `{"engine": {"backend": "vllm"}, "deployment": {"model": "test-model"}, "hardware": {"numGpusPerNode": 8, "gpuModel": "H100-SXM5-80GB", "gpuVramMib": 81920}}`
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minimalConfig := `{"sla": {"ttft": 200.0}}`
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configWithDifferentBackend := `{"engine": {"backend": "sglang"}}`
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configWithDifferentModel := `{"deployment": {"model": "different-model"}}`
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invalidYAML := `{invalid yaml`
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// errMsg: if non-empty, an error is expected and each newline-separated substring must appear in it.
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// expectedWarning: if non-empty, at least one warning must contain this substring.
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tests := []struct {
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name string
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request *nvidiacomv1alpha1.DynamoGraphDeploymentRequest
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isClusterWide bool
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gpuDiscoveryEnabled bool
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errMsg string
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expectedWarning string
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}{
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{
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name: "valid request",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfig),
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},
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},
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},
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},
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isClusterWide: true,
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},
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{
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name: "missing profiler image",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfig),
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},
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},
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},
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},
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isClusterWide: true,
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errMsg: "spec.profilingConfig.profilerImage is required",
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},
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{
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name: "missing profiling config",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: nil,
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},
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},
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},
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isClusterWide: true,
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errMsg: "spec.profilingConfig.config is required and must not be empty",
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},
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{
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name: "empty profiling config",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte{},
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},
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},
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},
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},
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isClusterWide: true,
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errMsg: "spec.profilingConfig.config is required and must not be empty",
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},
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{
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name: "namespace-scoped operator with manual hardware config (should pass)",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfigWithHardware),
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},
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},
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},
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},
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isClusterWide: false,
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gpuDiscoveryEnabled: false,
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},
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{
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name: "namespace-scoped operator with GPU discovery enabled (should pass without manual config)",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(minimalConfig),
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},
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},
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},
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},
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isClusterWide: false,
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gpuDiscoveryEnabled: true,
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},
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{
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name: "namespace-scoped operator with GPU discovery disabled and no hardware config (should error)",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(minimalConfig),
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},
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},
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},
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},
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isClusterWide: false,
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gpuDiscoveryEnabled: false,
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errMsg: "GPU hardware configuration required: GPU discovery is disabled",
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},
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{
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name: "invalid config YAML",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(invalidYAML),
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},
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},
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},
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},
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isClusterWide: true,
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errMsg: "failed to parse spec.profilingConfig.config",
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},
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{
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name: "warning for different backend in config",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(configWithDifferentBackend),
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},
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},
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},
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},
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isClusterWide: true,
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expectedWarning: "spec.profilingConfig.config.engine.backend (sglang) will be overwritten by spec.backend (vllm)",
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},
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{
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name: "warning for different model in config",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(configWithDifferentModel),
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},
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},
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},
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},
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isClusterWide: true,
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expectedWarning: "spec.profilingConfig.config.deployment.model (different-model) will be overwritten by spec.model (llama-3-8b)",
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},
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{
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name: "multiple errors (missing profiler image and missing config)",
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request: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-dgdr",
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Namespace: "default",
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},
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "",
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Config: nil,
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},
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},
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},
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isClusterWide: false,
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errMsg: "spec.profilingConfig.profilerImage is required\nspec.profilingConfig.config is required and must not be empty",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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validator := NewDynamoGraphDeploymentRequestValidator(tt.request, tt.isClusterWide, tt.gpuDiscoveryEnabled)
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warnings, err := validator.Validate()
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wantErr := tt.errMsg != ""
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if (err != nil) != wantErr {
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t.Errorf("Validate() error = %v, wantErr %v", err, wantErr)
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return
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}
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if wantErr {
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for _, msg := range strings.Split(tt.errMsg, "\n") {
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if !strings.Contains(err.Error(), msg) {
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t.Errorf("Validate() error %q does not contain %q", err.Error(), msg)
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}
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}
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}
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wantWarning := tt.expectedWarning != ""
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if wantWarning && len(warnings) == 0 {
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t.Errorf("Validate() expected warning %q but got none", tt.expectedWarning)
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}
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if wantWarning && len(warnings) > 0 && !strings.Contains(warnings[0], tt.expectedWarning) {
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t.Errorf("Validate() warning %q does not contain %q", warnings[0], tt.expectedWarning)
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}
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})
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}
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}
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func TestDynamoGraphDeploymentRequestValidator_ValidateUpdate(t *testing.T) {
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validConfig := `{"engine": {"backend": "vllm"}}`
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tests := []struct {
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name string
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oldRequest *nvidiacomv1alpha1.DynamoGraphDeploymentRequest
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newRequest *nvidiacomv1alpha1.DynamoGraphDeploymentRequest
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wantErr bool
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wantWarnings bool
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}{
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{
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name: "no changes",
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oldRequest: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfig),
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},
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},
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},
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},
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newRequest: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfig),
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},
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},
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},
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},
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wantErr: false,
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},
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{
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name: "changing model name is allowed",
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oldRequest: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-8b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfig),
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},
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},
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},
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},
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newRequest: &nvidiacomv1alpha1.DynamoGraphDeploymentRequest{
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Spec: nvidiacomv1alpha1.DynamoGraphDeploymentRequestSpec{
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Model: "llama-3-70b",
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Backend: "vllm",
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ProfilingConfig: nvidiacomv1alpha1.ProfilingConfigSpec{
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ProfilerImage: "profiler:latest",
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Config: &apiextensionsv1.JSON{
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Raw: []byte(validConfig),
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},
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},
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},
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},
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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validator := NewDynamoGraphDeploymentRequestValidator(tt.newRequest, true, true)
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warnings, err := validator.ValidateUpdate(tt.oldRequest)
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if (err != nil) != tt.wantErr {
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t.Errorf("DynamoGraphDeploymentRequestValidator.ValidateUpdate() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if tt.wantWarnings && len(warnings) == 0 {
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t.Errorf("DynamoGraphDeploymentRequestValidator.ValidateUpdate() expected warnings but got none")
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}
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})
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}
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}
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