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feat(go): Added
/util/generate + filled feature gaps in Generate AP…
…I. (#1818)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -766,6 +766,9 @@ | |
| "all", | ||
| "no-tools" | ||
| ] | ||
| }, | ||
| "toolChoice": { | ||
| "type": "boolean" | ||
| } | ||
| }, | ||
| "additionalProperties": false | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| // Copyright 2025 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| package ai | ||
|
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| import ( | ||
| "context" | ||
| "os" | ||
| "testing" | ||
|
|
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| "github.com/firebase/genkit/go/internal/registry" | ||
| "github.com/google/go-cmp/cmp" | ||
| "github.com/google/go-cmp/cmp/cmpopts" | ||
| "gopkg.in/yaml.v3" | ||
| ) | ||
|
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| type specSuite struct { | ||
| Tests []testCase `yaml:"tests"` | ||
| } | ||
|
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| type testCase struct { | ||
| Name string `yaml:"name"` | ||
| Input *GenerateActionOptions `yaml:"input"` | ||
| StreamChunks [][]*ModelResponseChunk `yaml:"streamChunks,omitempty"` | ||
| ModelResponses []*ModelResponse `yaml:"modelResponses"` | ||
| ExpectResponse *ModelResponse `yaml:"expectResponse,omitempty"` | ||
| Stream bool `yaml:"stream,omitempty"` | ||
| ExpectChunks []*ModelResponseChunk `yaml:"expectChunks,omitempty"` | ||
| } | ||
|
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| type programmableModel struct { | ||
| r *registry.Registry | ||
| handleResp func(ctx context.Context, req *ModelRequest, cb func(context.Context, *ModelResponseChunk) error) (*ModelResponse, error) | ||
| lastRequest *ModelRequest | ||
| } | ||
|
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| func (pm *programmableModel) Name() string { | ||
| return "programmableModel" | ||
| } | ||
|
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| func (pm *programmableModel) Generate(ctx context.Context, r *registry.Registry, req *ModelRequest, toolCfg *ToolConfig, cb func(context.Context, *ModelResponseChunk) error) (*ModelResponse, error) { | ||
| pm.lastRequest = req | ||
| return pm.handleResp(ctx, req, cb) | ||
| } | ||
|
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| func defineProgrammableModel(r *registry.Registry) *programmableModel { | ||
| pm := &programmableModel{r: r} | ||
| DefineModel(r, "default", "programmableModel", nil, func(ctx context.Context, req *ModelRequest, cb ModelStreamingCallback) (*ModelResponse, error) { | ||
| return pm.Generate(ctx, r, req, &ToolConfig{MaxTurns: 5}, cb) | ||
| }) | ||
| return pm | ||
| } | ||
|
|
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| func TestGenerateAction(t *testing.T) { | ||
| data, err := os.ReadFile("../../tests/specs/generate.yaml") | ||
| if err != nil { | ||
| t.Fatalf("failed to read spec file: %v", err) | ||
| } | ||
|
|
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| var suite specSuite | ||
| if err := yaml.Unmarshal(data, &suite); err != nil { | ||
| t.Fatalf("failed to parse spec file: %v", err) | ||
| } | ||
|
|
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| for _, tc := range suite.Tests { | ||
| t.Run(tc.Name, func(t *testing.T) { | ||
| ctx := context.Background() | ||
|
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| r, err := registry.New() | ||
| if err != nil { | ||
| t.Fatalf("failed to create registry: %v", err) | ||
| } | ||
|
|
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| pm := defineProgrammableModel(r) | ||
|
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| DefineTool(r, "testTool", "description", | ||
| func(ctx *ToolContext, input any) (any, error) { | ||
| return "tool called", nil | ||
| }) | ||
|
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| if len(tc.ModelResponses) > 0 || len(tc.StreamChunks) > 0 { | ||
| reqCounter := 0 | ||
| pm.handleResp = func(ctx context.Context, req *ModelRequest, cb func(context.Context, *ModelResponseChunk) error) (*ModelResponse, error) { | ||
| if len(tc.StreamChunks) > 0 && cb != nil { | ||
| for _, chunk := range tc.StreamChunks[reqCounter] { | ||
| if err := cb(ctx, chunk); err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| } | ||
| resp := tc.ModelResponses[reqCounter] | ||
| resp.Request = req | ||
| resp.Custom = map[string]any{} | ||
| resp.Request.Output = &ModelRequestOutput{} | ||
| resp.Usage = &GenerationUsage{} | ||
| reqCounter++ | ||
| return resp, nil | ||
| } | ||
| } | ||
|
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| genAction := DefineGenerateAction(ctx, r) | ||
|
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| if tc.Stream { | ||
| chunks := []*ModelResponseChunk{} | ||
| streamCb := func(ctx context.Context, chunk *ModelResponseChunk) error { | ||
| chunks = append(chunks, chunk) | ||
| return nil | ||
| } | ||
|
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| resp, err := genAction.Run(ctx, tc.Input, streamCb) | ||
| if err != nil { | ||
| t.Fatalf("action failed: %v", err) | ||
| } | ||
|
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| if diff := cmp.Diff(tc.ExpectChunks, chunks); diff != "" { | ||
| t.Errorf("chunks mismatch (-want +got):\n%s", diff) | ||
| } | ||
|
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| if diff := cmp.Diff(tc.ExpectResponse, resp, cmp.Options{cmpopts.EquateEmpty()}); diff != "" { | ||
| t.Errorf("response mismatch (-want +got):\n%s", diff) | ||
| } | ||
| } else { | ||
| resp, err := genAction.Run(ctx, tc.Input, nil) | ||
| if err != nil { | ||
| t.Fatalf("action failed: %v", err) | ||
| } | ||
|
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| if diff := cmp.Diff(tc.ExpectResponse, resp, cmp.Options{cmpopts.EquateEmpty()}); diff != "" { | ||
| t.Errorf("response mismatch (-want +got):\n%s", diff) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } |
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