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package model_test
import (
"errors"
"os"
"path/filepath"
"github.com/mudler/LocalAI/pkg/model"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("ModelLoader", func() {
var (
modelLoader *model.ModelLoader
modelPath string
mockModel *model.Model
)
BeforeEach(func() {
// Setup the model loader with a test directory
modelPath = "/tmp/test_model_path"
os.Mkdir(modelPath, 0755)
modelLoader = model.NewModelLoader(modelPath)
})
AfterEach(func() {
// Cleanup test directory
os.RemoveAll(modelPath)
})
Context("NewModelLoader", func() {
It("should create a new ModelLoader with an empty model map", func() {
Expect(modelLoader).ToNot(BeNil())
Expect(modelLoader.ModelPath).To(Equal(modelPath))
Expect(modelLoader.ListModels()).To(BeEmpty())
})
})
Context("ExistsInModelPath", func() {
It("should return true if a file exists in the model path", func() {
testFile := filepath.Join(modelPath, "test.model")
os.Create(testFile)
Expect(modelLoader.ExistsInModelPath("test.model")).To(BeTrue())
})
It("should return false if a file does not exist in the model path", func() {
Expect(modelLoader.ExistsInModelPath("nonexistent.model")).To(BeFalse())
})
})
Context("ListFilesInModelPath", func() {
It("should list all valid model files in the model path", func() {
os.Create(filepath.Join(modelPath, "test.model"))
os.Create(filepath.Join(modelPath, "README.md"))
files, err := modelLoader.ListFilesInModelPath()
Expect(err).To(BeNil())
Expect(files).To(ContainElement("test.model"))
Expect(files).ToNot(ContainElement("README.md"))
})
})
Context("LoadModel", func() {
It("should load a model and keep it in memory", func() {
mockModel = model.NewModel("foo", "test.model", nil)
mockLoader := func(modelID, modelName, modelFile string) (*model.Model, error) {
return mockModel, nil
}
model, err := modelLoader.LoadModel("foo", "test.model", mockLoader)
Expect(err).To(BeNil())
Expect(model).To(Equal(mockModel))
Expect(modelLoader.CheckIsLoaded("foo")).To(Equal(mockModel))
})
It("should return an error if loading the model fails", func() {
mockLoader := func(modelID, modelName, modelFile string) (*model.Model, error) {
return nil, errors.New("failed to load model")
}
model, err := modelLoader.LoadModel("foo", "test.model", mockLoader)
Expect(err).To(HaveOccurred())
Expect(model).To(BeNil())
})
})
Context("ShutdownModel", func() {
It("should shutdown a loaded model", func() {
mockLoader := func(modelID, modelName, modelFile string) (*model.Model, error) {
return model.NewModel("foo", "test.model", nil), nil
}
_, err := modelLoader.LoadModel("foo", "test.model", mockLoader)
Expect(err).To(BeNil())
err = modelLoader.ShutdownModel("foo")
Expect(err).To(BeNil())
Expect(modelLoader.CheckIsLoaded("foo")).To(BeNil())
})
})
})
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