ollama source for Momentry Core verification
This commit is contained in:
Accusys
432
server/images_test.go
Normal file
432
server/images_test.go
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@@ -0,0 +1,432 @@
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package server
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import (
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"crypto/sha256"
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/ollama/ollama/fs/ggml"
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"github.com/ollama/ollama/manifest"
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"github.com/ollama/ollama/template"
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"github.com/ollama/ollama/types/model"
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)
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func TestPruneLayersSkipsRecentOrphans(t *testing.T) {
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t.Setenv("OLLAMA_MODELS", t.TempDir())
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recentDigest := "sha256:0000000000000000000000000000000000000000000000000000000000000001"
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oldDigest := "sha256:0000000000000000000000000000000000000000000000000000000000000002"
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for _, digest := range []string{recentDigest, oldDigest} {
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p, err := manifest.BlobsPath(digest)
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if err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(p, nil, 0o644); err != nil {
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t.Fatal(err)
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}
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}
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oldPath, err := manifest.BlobsPath(oldDigest)
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if err != nil {
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t.Fatal(err)
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}
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oldTime := time.Now().Add(-layerPruneGracePeriod - time.Hour)
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if err := os.Chtimes(oldPath, oldTime, oldTime); err != nil {
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t.Fatal(err)
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}
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if err := PruneLayers(); err != nil {
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t.Fatal(err)
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}
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recentPath, err := manifest.BlobsPath(recentDigest)
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if err != nil {
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t.Fatal(err)
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}
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if _, err := os.Stat(recentPath); err != nil {
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t.Fatalf("recent orphan was pruned: %v", err)
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}
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if _, err := os.Stat(oldPath); !os.IsNotExist(err) {
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t.Fatalf("old orphan still exists: %v", err)
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}
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}
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func TestModelCapabilities(t *testing.T) {
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// Create completion model (llama architecture without vision)
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completionModelPath, _ := createBinFile(t, ggml.KV{
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"general.architecture": "llama",
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}, []*ggml.Tensor{})
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// Create vision model (llama architecture with vision block count)
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visionModelPath, _ := createBinFile(t, ggml.KV{
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"general.architecture": "llama",
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"llama.vision.block_count": uint32(1),
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}, []*ggml.Tensor{})
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// Create embedding model (bert architecture with pooling type)
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embeddingModelPath, _ := createBinFile(t, ggml.KV{
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"general.architecture": "bert",
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"bert.pooling_type": uint32(1),
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}, []*ggml.Tensor{})
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toolsInsertTemplate, err := template.Parse("{{ .prompt }}{{ if .tools }}{{ .tools }}{{ end }}{{ if .suffix }}{{ .suffix }}{{ end }}")
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if err != nil {
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t.Fatalf("Failed to parse template: %v", err)
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}
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chatTemplate, err := template.Parse("{{ .prompt }}")
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if err != nil {
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t.Fatalf("Failed to parse template: %v", err)
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}
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toolsTemplate, err := template.Parse("{{ .prompt }}{{ if .tools }}{{ .tools }}{{ end }}")
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if err != nil {
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t.Fatalf("Failed to parse template: %v", err)
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}
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testModels := []struct {
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name string
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model Model
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expectedCaps []model.Capability
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}{
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{
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name: "model with image generation capability via config",
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model: Model{
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Config: model.ConfigV2{
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Capabilities: []string{"image"},
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},
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},
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expectedCaps: []model.Capability{model.CapabilityImage},
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},
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{
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name: "model with image and vision capability (image editing)",
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model: Model{
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Config: model.ConfigV2{
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Capabilities: []string{"image", "vision"},
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},
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},
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expectedCaps: []model.Capability{model.CapabilityImage, model.CapabilityVision},
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},
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{
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name: "model with completion capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: chatTemplate,
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},
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expectedCaps: []model.Capability{model.CapabilityCompletion},
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},
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{
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name: "model with completion, tools, and insert capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: toolsInsertTemplate,
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},
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expectedCaps: []model.Capability{model.CapabilityCompletion, model.CapabilityTools, model.CapabilityInsert},
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},
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{
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name: "model with tools capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: toolsTemplate,
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},
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expectedCaps: []model.Capability{model.CapabilityCompletion, model.CapabilityTools},
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},
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{
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name: "model with vision capability",
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model: Model{
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ModelPath: visionModelPath,
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Template: chatTemplate,
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},
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expectedCaps: []model.Capability{model.CapabilityCompletion, model.CapabilityVision},
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},
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{
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name: "model with vision, tools, and insert capability",
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model: Model{
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ModelPath: visionModelPath,
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Template: toolsInsertTemplate,
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},
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expectedCaps: []model.Capability{model.CapabilityCompletion, model.CapabilityVision, model.CapabilityTools, model.CapabilityInsert},
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},
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{
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name: "model with embedding capability",
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model: Model{
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ModelPath: embeddingModelPath,
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Template: chatTemplate,
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},
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expectedCaps: []model.Capability{model.CapabilityEmbedding},
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},
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{
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name: "gemma4 small safetensors suppresses vision and audio",
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model: Model{
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Config: model.ConfigV2{
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ModelFormat: "safetensors",
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Renderer: gemma4RendererSmall,
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Capabilities: []string{"vision", "audio"},
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},
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Template: chatTemplate,
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},
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},
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{
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name: "gemma4 large safetensors suppresses vision and audio",
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model: Model{
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Config: model.ConfigV2{
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ModelFormat: "safetensors",
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Renderer: gemma4RendererLarge,
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Capabilities: []string{"vision", "audio"},
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},
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Template: chatTemplate,
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},
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},
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{
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name: "legacy gemma4 safetensors suppresses vision and audio",
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model: Model{
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Config: model.ConfigV2{
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ModelFormat: "safetensors",
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Renderer: gemma4RendererLegacy,
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Capabilities: []string{"vision", "audio"},
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},
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Template: chatTemplate,
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},
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},
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}
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// compare two slices of model.Capability regardless of order
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compareCapabilities := func(a, b []model.Capability) bool {
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if len(a) != len(b) {
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return false
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}
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aCount := make(map[model.Capability]int)
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for _, cap := range a {
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aCount[cap]++
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}
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bCount := make(map[model.Capability]int)
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for _, cap := range b {
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bCount[cap]++
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}
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for cap, count := range aCount {
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if bCount[cap] != count {
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return false
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}
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}
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return true
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}
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for _, tt := range testModels {
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t.Run(tt.name, func(t *testing.T) {
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// Test Capabilities method
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caps := tt.model.Capabilities()
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if !compareCapabilities(caps, tt.expectedCaps) {
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t.Errorf("Expected capabilities %v, got %v", tt.expectedCaps, caps)
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}
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})
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}
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}
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func TestModelCheckCapabilities(t *testing.T) {
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// Create simple model file for tests that don't depend on GGUF content
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completionModelPath, _ := createBinFile(t, ggml.KV{
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"general.architecture": "llama",
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}, []*ggml.Tensor{})
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// Create vision model (llama architecture with vision block count)
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visionModelPath, _ := createBinFile(t, ggml.KV{
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"general.architecture": "llama",
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"llama.vision.block_count": uint32(1),
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}, []*ggml.Tensor{})
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// Create embedding model (bert architecture with pooling type)
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embeddingModelPath, _ := createBinFile(t, ggml.KV{
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"general.architecture": "bert",
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"bert.pooling_type": uint32(1),
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}, []*ggml.Tensor{})
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toolsInsertTemplate, err := template.Parse("{{ .prompt }}{{ if .tools }}{{ .tools }}{{ end }}{{ if .suffix }}{{ .suffix }}{{ end }}")
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if err != nil {
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t.Fatalf("Failed to parse template: %v", err)
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}
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chatTemplate, err := template.Parse("{{ .prompt }}")
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if err != nil {
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t.Fatalf("Failed to parse template: %v", err)
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}
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toolsTemplate, err := template.Parse("{{ .prompt }}{{ if .tools }}{{ .tools }}{{ end }}")
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if err != nil {
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t.Fatalf("Failed to parse template: %v", err)
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}
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tests := []struct {
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name string
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model Model
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checkCaps []model.Capability
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expectedErrMsg string
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}{
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{
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name: "completion model without tools capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: chatTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityTools},
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expectedErrMsg: "does not support tools",
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},
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{
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name: "model with all needed capabilities",
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model: Model{
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ModelPath: completionModelPath,
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Template: toolsInsertTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityTools, model.CapabilityInsert},
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},
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{
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name: "model missing insert capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: toolsTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityInsert},
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expectedErrMsg: "does not support insert",
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},
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{
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name: "model missing vision capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: toolsTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityVision},
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expectedErrMsg: "does not support vision",
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},
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{
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name: "model with vision capability",
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model: Model{
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ModelPath: visionModelPath,
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Template: chatTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityVision},
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},
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{
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name: "model with embedding capability",
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model: Model{
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ModelPath: embeddingModelPath,
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Template: chatTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityEmbedding},
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},
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{
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name: "unknown capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: chatTemplate,
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},
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checkCaps: []model.Capability{"unknown"},
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expectedErrMsg: "unknown capability",
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},
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{
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name: "model missing image generation capability",
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model: Model{
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ModelPath: completionModelPath,
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Template: chatTemplate,
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},
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checkCaps: []model.Capability{model.CapabilityImage},
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expectedErrMsg: "does not support image generation",
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},
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{
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name: "model with image generation capability",
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model: Model{
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Config: model.ConfigV2{
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Capabilities: []string{"image"},
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},
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},
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checkCaps: []model.Capability{model.CapabilityImage},
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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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// Test CheckCapabilities method
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err := tt.model.CheckCapabilities(tt.checkCaps...)
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if tt.expectedErrMsg == "" {
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if err != nil {
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t.Errorf("Expected no error, got: %v", err)
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}
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} else {
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if err == nil {
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t.Errorf("Expected error containing %q, got nil", tt.expectedErrMsg)
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} else if !strings.Contains(err.Error(), tt.expectedErrMsg) {
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t.Errorf("Expected error containing %q, got: %v", tt.expectedErrMsg, err)
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}
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}
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})
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}
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}
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func TestPullModelManifest(t *testing.T) {
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cases := []struct {
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name string
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manifest string
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}{
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{
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name: "pretty printed",
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manifest: `{ "schemaVersion": 2, "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
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"config": { "digest": "sha256:abc", "mediaType": "application/vnd.docker.container.image.v1+json", "size": 50 },
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"layers": [{ "digest": "sha256:t1", "mediaType": "application/vnd.ollama.image.tensor", "size": 1024, "name": "model.weight" }]
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}`,
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},
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{
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name: "non-standard field order",
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manifest: `{"layers":[{"size":999,"digest":"sha256:def","mediaType":"application/vnd.ollama.image.model"}],"schemaVersion":2,"config":{"size":50,"digest":"sha256:abc","mediaType":"application/vnd.docker.container.image.v1+json"},"mediaType":"application/vnd.docker.distribution.manifest.v2+json"}`,
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},
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}
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for _, tt := range cases {
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t.Run(tt.name, func(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(tt.manifest))
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}))
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defer ts.Close()
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n := model.ParseName("test/model:latest")
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n.ProtocolScheme = "http"
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n.Host = strings.TrimPrefix(ts.URL, "http://")
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mf, data, err := pullModelManifest(t.Context(), n, ®istryOptions{})
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if err != nil {
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t.Fatal(err)
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}
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// Raw bytes must be byte-for-byte identical to what the server sent
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if string(data) != tt.manifest {
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t.Fatalf("raw bytes differ from server response")
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}
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// SHA256 of returned data must match the expected registry digest
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expectedDigest := fmt.Sprintf("%x", sha256.Sum256([]byte(tt.manifest)))
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gotDigest := fmt.Sprintf("%x", sha256.Sum256(data))
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if gotDigest != expectedDigest {
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t.Fatalf("digest mismatch\ngot: %s\nwant: %s", gotDigest, expectedDigest)
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}
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// Parsed manifest must still be usable
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if mf.SchemaVersion != 2 {
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t.Fatalf("schemaVersion = %d, want 2", mf.SchemaVersion)
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}
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if mf.Config.Digest == "" {
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t.Fatal("config digest is empty")
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}
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if len(mf.Layers) == 0 {
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t.Fatal("expected at least one layer")
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}
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})
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}
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}
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Reference in New Issue
Block a user