Merge pull request #3718 from ollama/mxyng/modelname-3

update delete handler to use model.Name

server/images.go

@@ -771,37 +771,6 @@ func PruneDirectory(path string) error {
 	return nil
 }
 
-func DeleteModel(name string) error {
-	mp := ParseModelPath(name)
-	manifest, _, err := GetManifest(mp)
-	if err != nil {
-		return err
-	}
-
-	deleteMap := make(map[string]struct{})
-	for _, layer := range manifest.Layers {
-		deleteMap[layer.Digest] = struct{}{}
-	}
-	deleteMap[manifest.Config.Digest] = struct{}{}
-
-	err = deleteUnusedLayers(&mp, deleteMap)
-	if err != nil {
-		return err
-	}
-
-	fp, err := mp.GetManifestPath()
-	if err != nil {
-		return err
-	}
-	err = os.Remove(fp)
-	if err != nil {
-		slog.Info(fmt.Sprintf("couldn't remove manifest file '%s': %v", fp, err))
-		return err
-	}
-
-	return nil
-}
-
 func PushModel(ctx context.Context, name string, regOpts *registryOptions, fn func(api.ProgressResponse)) error {
 	mp := ParseModelPath(name)
 	fn(api.ProgressResponse{Status: "retrieving manifest"})

server/layer.go

@@ -88,3 +88,26 @@ func (l *Layer) Open() (io.ReadSeekCloser, error) {
 
 	return os.Open(blob)
 }
+
+func (l *Layer) Remove() error {
+	ms, err := Manifests()
+	if err != nil {
+		return err
+	}
+
+	for _, m := range ms {
+		for _, layer := range append(m.Layers, m.Config) {
+			if layer.Digest == l.Digest {
+				// something is using this layer
+				return nil
+			}
+		}
+	}
+
+	blob, err := GetBlobsPath(l.Digest)
+	if err != nil {
+		return err
+	}
+
+	return os.Remove(blob)
+}

server/manifest.go

@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"log/slog"
 	"os"
 	"path/filepath"
 
@@ -14,7 +15,10 @@ import (
 
 type Manifest struct {
 	ManifestV2
-	Digest string `json:"-"`
+
+	filepath string
+	fi       os.FileInfo
+	digest   string
 }
 
 func (m *Manifest) Size() (size int64) {
@@ -25,9 +29,28 @@ func (m *Manifest) Size() (size int64) {
 	return
 }
 
-func ParseNamedManifest(name model.Name) (*Manifest, error) {
-	if !name.IsFullyQualified() {
-		return nil, model.Unqualified(name)
+func (m *Manifest) Remove() error {
+	if err := os.Remove(m.filepath); err != nil {
+		return err
+	}
+
+	for _, layer := range append(m.Layers, m.Config) {
+		if err := layer.Remove(); err != nil {
+			return err
+		}
+	}
+
+	manifests, err := GetManifestPath()
+	if err != nil {
+		return err
+	}
+
+	return PruneDirectory(manifests)
+}
+
+func ParseNamedManifest(n model.Name) (*Manifest, error) {
+	if !n.IsFullyQualified() {
+		return nil, model.Unqualified(n)
 	}
 
 	manifests, err := GetManifestPath()
@@ -35,20 +58,30 @@ func ParseNamedManifest(name model.Name) (*Manifest, error) {
 		return nil, err
 	}
 
-	var manifest ManifestV2
-	manifestfile, err := os.Open(filepath.Join(manifests, name.Filepath()))
+	p := filepath.Join(manifests, n.Filepath())
+
+	var m ManifestV2
+	f, err := os.Open(p)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	fi, err := f.Stat()
 	if err != nil {
 		return nil, err
 	}
 
 	sha256sum := sha256.New()
-	if err := json.NewDecoder(io.TeeReader(manifestfile, sha256sum)).Decode(&manifest); err != nil {
+	if err := json.NewDecoder(io.TeeReader(f, sha256sum)).Decode(&m); err != nil {
 		return nil, err
 	}
 
 	return &Manifest{
-		ManifestV2: manifest,
-		Digest:     fmt.Sprintf("%x", sha256sum.Sum(nil)),
+		ManifestV2: m,
+		filepath:   p,
+		fi:         fi,
+		digest:     fmt.Sprintf("%x", sha256sum.Sum(nil)),
 	}, nil
 }
 
@@ -77,3 +110,48 @@ func WriteManifest(name string, config *Layer, layers []*Layer) error {
 
 	return os.WriteFile(manifestPath, b.Bytes(), 0o644)
 }
+
+func Manifests() (map[model.Name]*Manifest, error) {
+	manifests, err := GetManifestPath()
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO(mxyng): use something less brittle
+	matches, err := filepath.Glob(filepath.Join(manifests, "*", "*", "*", "*"))
+	if err != nil {
+		return nil, err
+	}
+
+	ms := make(map[model.Name]*Manifest)
+	for _, match := range matches {
+		fi, err := os.Stat(match)
+		if err != nil {
+			return nil, err
+		}
+
+		if !fi.IsDir() {
+			rel, err := filepath.Rel(manifests, match)
+			if err != nil {
+				slog.Warn("bad filepath", "path", match, "error", err)
+				continue
+			}
+
+			n := model.ParseNameFromFilepath(rel)
+			if !n.IsValid() {
+				slog.Warn("bad manifest name", "path", rel, "error", err)
+				continue
+			}
+
+			m, err := ParseNamedManifest(n)
+			if err != nil {
+				slog.Warn("bad manifest", "name", n, "error", err)
+				continue
+			}
+
+			ms[n] = m
+		}
+	}
+
+	return ms, nil
+}

server/manifest_test.go

+package server
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"slices"
+	"testing"
+
+	"github.com/ollama/ollama/types/model"
+)
+
+func createManifest(t *testing.T, path, name string) {
+	t.Helper()
+
+	p := filepath.Join(path, "manifests", name)
+	if err := os.MkdirAll(filepath.Dir(p), 0755); err != nil {
+		t.Fatal(err)
+	}
+
+	f, err := os.Create(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	if err := json.NewEncoder(f).Encode(ManifestV2{}); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestManifests(t *testing.T) {
+	cases := map[string]struct {
+		ps               []string
+		wantValidCount   int
+		wantInvalidCount int
+	}{
+		"empty": {},
+		"single": {
+			ps: []string{
+				filepath.Join("host", "namespace", "model", "tag"),
+			},
+			wantValidCount: 1,
+		},
+		"multiple": {
+			ps: []string{
+				filepath.Join("registry.ollama.ai", "library", "llama3", "latest"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q4_0"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q4_1"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q8_0"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q5_0"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q5_1"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q2_K"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q3_K_S"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q3_K_M"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q3_K_L"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q4_K_S"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q4_K_M"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q5_K_S"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q5_K_M"),
+				filepath.Join("registry.ollama.ai", "library", "llama3", "q6_K"),
+			},
+			wantValidCount: 15,
+		},
+		"hidden": {
+			ps: []string{
+				filepath.Join("host", "namespace", "model", "tag"),
+				filepath.Join("host", "namespace", "model", ".hidden"),
+			},
+			wantValidCount:   1,
+			wantInvalidCount: 1,
+		},
+		"subdir": {
+			ps: []string{
+				filepath.Join("host", "namespace", "model", "tag", "one"),
+				filepath.Join("host", "namespace", "model", "tag", "another", "one"),
+			},
+			wantInvalidCount: 2,
+		},
+		"upper tag": {
+			ps: []string{
+				filepath.Join("host", "namespace", "model", "TAG"),
+			},
+			wantValidCount: 1,
+		},
+		"upper model": {
+			ps: []string{
+				filepath.Join("host", "namespace", "MODEL", "tag"),
+			},
+			wantValidCount: 1,
+		},
+		"upper namespace": {
+			ps: []string{
+				filepath.Join("host", "NAMESPACE", "model", "tag"),
+			},
+			wantValidCount: 1,
+		},
+		"upper host": {
+			ps: []string{
+				filepath.Join("HOST", "namespace", "model", "tag"),
+			},
+			wantValidCount: 1,
+		},
+	}
+
+	for n, wants := range cases {
+		t.Run(n, func(t *testing.T) {
+			d := t.TempDir()
+			t.Setenv("OLLAMA_MODELS", d)
+
+			for _, p := range wants.ps {
+				createManifest(t, d, p)
+			}
+
+			ms, err := Manifests()
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			var ns []model.Name
+			for k := range ms {
+				ns = append(ns, k)
+			}
+
+			var gotValidCount, gotInvalidCount int
+			for _, p := range wants.ps {
+				n := model.ParseNameFromFilepath(p)
+				if n.IsValid() {
+					gotValidCount++
+				} else {
+					gotInvalidCount++
+				}
+
+				if !n.IsValid() && slices.Contains(ns, n) {
+					t.Errorf("unexpected invalid name: %s", p)
+				} else if n.IsValid() && !slices.Contains(ns, n) {
+					t.Errorf("missing valid name: %s", p)
+				}
+			}
+
+			if gotValidCount != wants.wantValidCount {
+				t.Errorf("got valid count %d, want %d", gotValidCount, wants.wantValidCount)
+			}
+
+			if gotInvalidCount != wants.wantInvalidCount {
+				t.Errorf("got invalid count %d, want %d", gotInvalidCount, wants.wantInvalidCount)
+			}
+		})
+	}
+}

server/routes.go

@@ -575,48 +575,31 @@ func (s *Server) CreateModelHandler(c *gin.Context) {
 }
 
 func (s *Server) DeleteModelHandler(c *gin.Context) {
-	var req api.DeleteRequest
-	err := c.ShouldBindJSON(&req)
-	switch {
-	case errors.Is(err, io.EOF):
+	var r api.DeleteRequest
+	if err := c.ShouldBindJSON(&r); errors.Is(err, io.EOF) {
 		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "missing request body"})
 		return
-	case err != nil:
+	} else if err != nil {
 		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
 
-	var model string
-	if req.Model != "" {
-		model = req.Model
-	} else if req.Name != "" {
-		model = req.Name
-	} else {
-		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "model is required"})
-		return
-	}
-
-	if err := DeleteModel(model); err != nil {
-		if os.IsNotExist(err) {
-			c.JSON(http.StatusNotFound, gin.H{"error": fmt.Sprintf("model '%s' not found", model)})
-		} else {
-			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-		}
+	n := model.ParseName(cmp.Or(r.Model, r.Name))
+	if !n.IsValid() {
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("name %q is invalid", cmp.Or(r.Model, r.Name))})
 		return
 	}
 
-	manifestsPath, err := GetManifestPath()
+	m, err := ParseNamedManifest(n)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
 	}
 
-	if err := PruneDirectory(manifestsPath); err != nil {
+	if err := m.Remove(); err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
 	}
-
-	c.JSON(http.StatusOK, nil)
 }
 
 func (s *Server) ShowModelHandler(c *gin.Context) {
@@ -720,49 +703,25 @@ func GetModelInfo(req api.ShowRequest) (*api.ShowResponse, error) {
 }
 
 func (s *Server) ListModelsHandler(c *gin.Context) {
-	manifests, err := GetManifestPath()
+	ms, err := Manifests()
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
 	}
 
 	models := []api.ModelResponse{}
-	if err := filepath.Walk(manifests, func(path string, info os.FileInfo, _ error) error {
-		if !info.IsDir() {
-			rel, err := filepath.Rel(manifests, path)
-			if err != nil {
-				return err
-			}
-
-			if hidden, err := filepath.Match(".*", filepath.Base(rel)); err != nil {
-				return err
-			} else if hidden {
-				return nil
-			}
-
-			n := model.ParseNameFromFilepath(rel)
-			if !n.IsValid() {
-				slog.Warn("bad manifest filepath", "path", rel)
-				return nil
-			}
-
-			m, err := ParseNamedManifest(n)
-			if err != nil {
-				slog.Warn("bad manifest", "name", n, "error", err)
-				return nil
-			}
-
+	for n, m := range ms {
 		f, err := m.Config.Open()
 		if err != nil {
-				slog.Warn("bad manifest config filepath", "name", n, "error", err)
-				return nil
+			slog.Warn("bad manifest filepath", "name", n, "error", err)
+			continue
 		}
 		defer f.Close()
 
-			var c ConfigV2
-			if err := json.NewDecoder(f).Decode(&c); err != nil {
+		var cf ConfigV2
+		if err := json.NewDecoder(f).Decode(&cf); err != nil {
 			slog.Warn("bad manifest config", "name", n, "error", err)
-				return nil
+			continue
 		}
 
 		// tag should never be masked
@@ -770,24 +729,18 @@ func (s *Server) ListModelsHandler(c *gin.Context) {
 			Model:      n.DisplayShortest(),
 			Name:       n.DisplayShortest(),
 			Size:       m.Size(),
-				Digest:     m.Digest,
-				ModifiedAt: info.ModTime(),
+			Digest:     m.digest,
+			ModifiedAt: m.fi.ModTime(),
 			Details: api.ModelDetails{
-					Format:            c.ModelFormat,
-					Family:            c.ModelFamily,
-					Families:          c.ModelFamilies,
-					ParameterSize:     c.ModelType,
-					QuantizationLevel: c.FileType,
+				Format:            cf.ModelFormat,
+				Family:            cf.ModelFamily,
+				Families:          cf.ModelFamilies,
+				ParameterSize:     cf.ModelType,
+				QuantizationLevel: cf.FileType,
 			},
 		})
 	}
 
-		return nil
-	}); err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
-		return
-	}
-
 	slices.SortStableFunc(models, func(i, j api.ModelResponse) int {
 		// most recently modified first
 		return cmp.Compare(j.ModifiedAt.Unix(), i.ModifiedAt.Unix())

server/routes_create_test.go

+package server
+
+import (
+	"bytes"
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"slices"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/ollama/ollama/api"
+)
+
+var stream bool = false
+
+func createBinFile(t *testing.T) string {
+	t.Helper()
+
+	f, err := os.CreateTemp(t.TempDir(), "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f.Close()
+
+	if err := binary.Write(f, binary.LittleEndian, []byte("GGUF")); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := binary.Write(f, binary.LittleEndian, uint32(3)); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := binary.Write(f, binary.LittleEndian, uint64(0)); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := binary.Write(f, binary.LittleEndian, uint64(0)); err != nil {
+		t.Fatal(err)
+	}
+
+	return f.Name()
+}
+
+type responseRecorder struct {
+	*httptest.ResponseRecorder
+	http.CloseNotifier
+}
+
+func NewRecorder() *responseRecorder {
+	return &responseRecorder{
+		ResponseRecorder: httptest.NewRecorder(),
+	}
+}
+
+func (t *responseRecorder) CloseNotify() <-chan bool {
+	return make(chan bool)
+}
+
+func createRequest(t *testing.T, fn func(*gin.Context), body any) *httptest.ResponseRecorder {
+	t.Helper()
+
+	w := NewRecorder()
+	c, _ := gin.CreateTestContext(w)
+
+	var b bytes.Buffer
+	if err := json.NewEncoder(&b).Encode(body); err != nil {
+		t.Fatal(err)
+	}
+
+	c.Request = &http.Request{
+		Body: io.NopCloser(&b),
+	}
+
+	fn(c)
+	return w.ResponseRecorder
+}
+
+func checkFileExists(t *testing.T, p string, expect []string) {
+	t.Helper()
+
+	actual, err := filepath.Glob(p)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !slices.Equal(actual, expect) {
+		t.Fatalf("expected slices to be equal %v", actual)
+	}
+}
+
+func TestCreateFromBin(t *testing.T) {
+	p := t.TempDir()
+	t.Setenv("OLLAMA_MODELS", p)
+
+	var s Server
+	w := createRequest(t, s.CreateModelHandler, api.CreateRequest{
+		Name:      "test",
+		Modelfile: fmt.Sprintf("FROM %s", createBinFile(t)),
+		Stream:    &stream,
+	})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	checkFileExists(t, filepath.Join(p, "manifests", "*", "*", "*", "*"), []string{
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test", "latest"),
+	})
+
+	checkFileExists(t, filepath.Join(p, "blobs", "*"), []string{
+		filepath.Join(p, "blobs", "sha256-a4e5e156ddec27e286f75328784d7106b60a4eb1d246e950a001a3f944fbda99"),
+		filepath.Join(p, "blobs", "sha256-ca239d7bd8ea90e4a5d2e6bf88f8d74a47b14336e73eb4e18bed4dd325018116"),
+	})
+}
+
+func TestCreateFromModel(t *testing.T) {
+	p := t.TempDir()
+	t.Setenv("OLLAMA_MODELS", p)
+	var s Server
+
+	w := createRequest(t, s.CreateModelHandler, api.CreateRequest{
+		Name:      "test",
+		Modelfile: fmt.Sprintf("FROM %s", createBinFile(t)),
+		Stream:    &stream,
+	})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	checkFileExists(t, filepath.Join(p, "manifests", "*", "*", "*", "*"), []string{
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test", "latest"),
+	})
+
+	w = createRequest(t, s.CreateModelHandler, api.CreateRequest{
+		Name:      "test2",
+		Modelfile: "FROM test",
+		Stream:    &stream,
+	})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	checkFileExists(t, filepath.Join(p, "manifests", "*", "*", "*", "*"), []string{
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test", "latest"),
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test2", "latest"),
+	})
+
+	checkFileExists(t, filepath.Join(p, "blobs", "*"), []string{
+		filepath.Join(p, "blobs", "sha256-a4e5e156ddec27e286f75328784d7106b60a4eb1d246e950a001a3f944fbda99"),
+		filepath.Join(p, "blobs", "sha256-ca239d7bd8ea90e4a5d2e6bf88f8d74a47b14336e73eb4e18bed4dd325018116"),
+	})
+}

server/routes_delete_test.go

+package server
+
+import (
+	"fmt"
+	"net/http"
+	"path/filepath"
+	"testing"
+
+	"github.com/ollama/ollama/api"
+)
+
+func TestDelete(t *testing.T) {
+	p := t.TempDir()
+	t.Setenv("OLLAMA_MODELS", p)
+	var s Server
+
+	w := createRequest(t, s.CreateModelHandler, api.CreateRequest{
+		Name:      "test",
+		Modelfile: fmt.Sprintf("FROM %s", createBinFile(t)),
+	})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	w = createRequest(t, s.CreateModelHandler, api.CreateRequest{
+		Name:      "test2",
+		Modelfile: fmt.Sprintf("FROM %s\nTEMPLATE {{ .System }} {{ .Prompt }}", createBinFile(t)),
+	})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	checkFileExists(t, filepath.Join(p, "manifests", "*", "*", "*", "*"), []string{
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test", "latest"),
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test2", "latest"),
+	})
+
+	checkFileExists(t, filepath.Join(p, "blobs", "*"), []string{
+		filepath.Join(p, "blobs", "sha256-8f2c2167d789c6b2302dff965160fa5029f6a24096d262c1cbb469f21a045382"),
+		filepath.Join(p, "blobs", "sha256-a4e5e156ddec27e286f75328784d7106b60a4eb1d246e950a001a3f944fbda99"),
+		filepath.Join(p, "blobs", "sha256-ca239d7bd8ea90e4a5d2e6bf88f8d74a47b14336e73eb4e18bed4dd325018116"),
+		filepath.Join(p, "blobs", "sha256-fe7ac77b725cda2ccad03f88a880ecdfd7a33192d6cae08fce2c0ee1455991ed"),
+	})
+
+	w = createRequest(t, s.DeleteModelHandler, api.DeleteRequest{Name: "test"})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	checkFileExists(t, filepath.Join(p, "manifests", "*", "*", "*", "*"), []string{
+		filepath.Join(p, "manifests", "registry.ollama.ai", "library", "test2", "latest"),
+	})
+
+	checkFileExists(t, filepath.Join(p, "blobs", "*"), []string{
+		filepath.Join(p, "blobs", "sha256-8f2c2167d789c6b2302dff965160fa5029f6a24096d262c1cbb469f21a045382"),
+		filepath.Join(p, "blobs", "sha256-a4e5e156ddec27e286f75328784d7106b60a4eb1d246e950a001a3f944fbda99"),
+		filepath.Join(p, "blobs", "sha256-fe7ac77b725cda2ccad03f88a880ecdfd7a33192d6cae08fce2c0ee1455991ed"),
+	})
+
+	w = createRequest(t, s.DeleteModelHandler, api.DeleteRequest{Name: "test2"})
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	checkFileExists(t, filepath.Join(p, "manifests", "*", "*", "*", "*"), []string{})
+	checkFileExists(t, filepath.Join(p, "blobs", "*"), []string{})
+}

server/routes_list_test.go

+package server
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"slices"
+	"testing"
+
+	"github.com/ollama/ollama/api"
+)
+
+func TestList(t *testing.T) {
+	t.Setenv("OLLAMA_MODELS", t.TempDir())
+
+	expectNames := []string{
+		"mistral:7b-instruct-q4_0",
+		"zephyr:7b-beta-q5_K_M",
+		"apple/OpenELM:latest",
+		"boreas:2b-code-v1.5-q6_K",
+		"notus:7b-v1-IQ2_S",
+		// TODO: host:port currently fails on windows (#4107)
+		// "localhost:5000/library/eurus:700b-v0.5-iq3_XXS",
+		"mynamespace/apeliotes:latest",
+		"myhost/mynamespace/lips:code",
+	}
+
+	var s Server
+	for _, n := range expectNames {
+		createRequest(t, s.CreateModelHandler, api.CreateRequest{
+			Name:      n,
+			Modelfile: fmt.Sprintf("FROM %s", createBinFile(t)),
+		})
+	}
+
+	w := createRequest(t, s.ListModelsHandler, nil)
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected status code 200, actual %d", w.Code)
+	}
+
+	var resp api.ListResponse
+	if err := json.NewDecoder(w.Body).Decode(&resp); err != nil {
+		t.Fatal(err)
+	}
+
+	if len(resp.Models) != len(expectNames) {
+		t.Fatalf("expected %d models, actual %d", len(expectNames), len(resp.Models))
+	}
+
+	actualNames := make([]string, len(resp.Models))
+	for i, m := range resp.Models {
+		actualNames[i] = m.Name
+	}
+
+	slices.Sort(actualNames)
+	slices.Sort(expectNames)
+
+	if !slices.Equal(actualNames, expectNames) {
+		t.Fatalf("expected slices to be equal %v", actualNames)
+	}
+}