044086b067
Adds GetFileContents to the gitea client and a file_read MCP tool. When ref is omitted, the tool resolves the repo default_branch via GetRepo before fetching contents. Decoded content capped at 1 MiB. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
65 lines
2.6 KiB
Go
65 lines
2.6 KiB
Go
package tools_test
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import (
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"context"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"testing"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/tools"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestFileReadToolWithExplicitRef(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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assert.Equal(t, "/api/v1/repos/mathias/infra/contents/README.md", r.URL.Path)
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assert.Equal(t, "main", r.URL.Query().Get("ref"))
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w.Header().Set("Content-Type", "application/json")
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_, _ = w.Write([]byte(`{"path":"README.md","sha":"deadbeef","size":13,"content":"SGVsbG8sIHdvcmxkIQ==","encoding":"base64"}`))
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}))
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defer srv.Close()
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tool := tools.NewFileRead(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
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out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","path":"README.md","ref":"main"}`))
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require.NoError(t, err)
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var result map[string]any
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require.NoError(t, json.Unmarshal(out, &result))
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assert.Equal(t, "README.md", result["path"])
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assert.Equal(t, "main", result["ref"])
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assert.Equal(t, "Hello, world!", result["content"])
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}
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func TestFileReadToolDefaultBranchResolution(t *testing.T) {
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mux := http.NewServeMux()
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mux.HandleFunc("/api/v1/repos/mathias/infra", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main"}`))
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})
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mux.HandleFunc("/api/v1/repos/mathias/infra/contents/README.md", func(w http.ResponseWriter, r *http.Request) {
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assert.Equal(t, "main", r.URL.Query().Get("ref"))
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w.Header().Set("Content-Type", "application/json")
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_, _ = w.Write([]byte(`{"path":"README.md","sha":"deadbeef","size":13,"content":"SGVsbG8sIHdvcmxkIQ==","encoding":"base64"}`))
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})
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srv := httptest.NewServer(mux)
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defer srv.Close()
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tool := tools.NewFileRead(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
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out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","path":"README.md"}`))
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require.NoError(t, err)
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var result map[string]any
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require.NoError(t, json.Unmarshal(out, &result))
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assert.Equal(t, "main", result["ref"])
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}
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func TestFileReadAllowlistRejects(t *testing.T) {
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tool := tools.NewFileRead(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
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_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"infra","path":"README.md"}`))
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require.Error(t, err)
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}
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