mirror of
https://github.com/googleapis/genai-toolbox.git
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## Description
---
This pull request introduces a new custom tool kind
`postgres-list-tables` that allows users to list tables within a
Postgres database.
### Example Configuration
```yaml
tools:
postgres_list_tables:
kind: postgres-list-tables
source: postgres-source
description: Use this tool to retrieve schema information for all or specified tables. Output format can be simple (only table names) or detailed.
```
### Example Request
```
curl -X POST http://127.0.0.1:5000/api/tool/postgres_list_tables/invoke \
-H "Content-Type: application/json" \
-d '{
"table_names": "users",
"output_format": "simple"
}'
```
## PR Checklist
---
> Thank you for opening a Pull Request! Before submitting your PR, there
are a
> few things you can do to make sure it goes smoothly:
- [x] Make sure you reviewed
[CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md)
- [ ] Make sure to open an issue as a
[bug/issue](https://github.com/googleapis/langchain-google-alloydb-pg-python/issues/new/choose)
before writing your code! That way we can discuss the change, evaluate
designs, and agree on the general idea
- [x] Ensure the tests and linter pass
- [x] Code coverage does not decrease (if any source code was changed)
- [x] Appropriate docs were updated (if necessary)
- [x] Make sure to add `!` if this involve a breaking change
---------
Co-authored-by: Averi Kitsch <akitsch@google.com>
77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
// Copyright 2025 Google LLC
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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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package postgreslisttables_test
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import (
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"testing"
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yaml "github.com/goccy/go-yaml"
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"github.com/google/go-cmp/cmp"
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"github.com/googleapis/genai-toolbox/internal/server"
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"github.com/googleapis/genai-toolbox/internal/testutils"
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postgreslisttables "github.com/googleapis/genai-toolbox/internal/tools/postgres/postgreslisttables"
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)
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func TestParseFromYamlPostgresListTables(t *testing.T) {
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ctx, err := testutils.ContextWithNewLogger()
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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tcs := []struct {
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desc string
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in string
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want server.ToolConfigs
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}{
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{
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desc: "basic example",
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in: `
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tools:
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example_tool:
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kind: postgres-list-tables
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source: my-postgres-instance
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description: some description
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authRequired:
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- my-google-auth-service
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- other-auth-service
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`,
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want: server.ToolConfigs{
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"example_tool": postgreslisttables.Config{
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Name: "example_tool",
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Kind: "postgres-list-tables",
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Source: "my-postgres-instance",
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Description: "some description",
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AuthRequired: []string{"my-google-auth-service", "other-auth-service"},
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},
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},
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},
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}
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for _, tc := range tcs {
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t.Run(tc.desc, func(t *testing.T) {
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got := struct {
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Tools server.ToolConfigs `yaml:"tools"`
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}{}
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// Parse contents
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err := yaml.UnmarshalContext(ctx, testutils.FormatYaml(tc.in), &got)
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if err != nil {
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t.Fatalf("unable to unmarshal: %s", err)
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}
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if diff := cmp.Diff(tc.want, got.Tools); diff != "" {
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t.Fatalf("incorrect parse: diff %v", diff)
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}
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})
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}
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}
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