2148565ee6
Commit 3 of Track A. The MCP server now publishes a new tool that
opens the brain knowledge graph (entities + wikilink edges) for
external consumers (claude.ai connectors, gitea-mcp, agentsquad).
- tools_graph.go: brain_graph handler dispatches by op:
neighbors — 1-hop outgoing from slug, optional edge_type filter
subgraph — every reachable slug within depth hops (≤6)
path — shortest directed path src→dst within depth (≤8)
Returns slug + entity metadata + edge_type + hop distance.
- server.go: handleCall routes "brain_graph" to brainGraph.
- handlers.go: tool descriptor with the op enum + per-op required
fields documented in the description.
- server_test.go: TestServerToolsList expects brain_graph in the
listing.
The tool returns an error when BRAIN_GRAPH_ENABLED is unset — same
shape as brain_answer when the answer LLM is unconfigured.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
94 lines
2.7 KiB
Go
94 lines
2.7 KiB
Go
package mcp_test
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import (
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"bytes"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/mathiasbq/hyperguild/ingestion/internal/mcp"
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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 body(t *testing.T, v any) *bytes.Buffer {
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t.Helper()
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b, err := json.Marshal(v)
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require.NoError(t, err)
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return bytes.NewBuffer(b)
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}
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func TestServerInitialize(t *testing.T) {
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srv := mcp.NewServer(t.TempDir(), nil, nil, nil)
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req := httptest.NewRequest(http.MethodPost, "/mcp", body(t, map[string]any{
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"jsonrpc": "2.0", "id": 1, "method": "initialize",
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"params": map[string]any{},
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}))
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rr := httptest.NewRecorder()
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srv.ServeHTTP(rr, req)
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assert.Equal(t, http.StatusOK, rr.Code)
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var resp map[string]any
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require.NoError(t, json.Unmarshal(rr.Body.Bytes(), &resp))
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result := resp["result"].(map[string]any)
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assert.Equal(t, "2024-11-05", result["protocolVersion"])
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}
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func TestServerToolsList(t *testing.T) {
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srv := mcp.NewServer(t.TempDir(), nil, nil, nil)
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req := httptest.NewRequest(http.MethodPost, "/mcp", body(t, map[string]any{
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"jsonrpc": "2.0", "id": 2, "method": "tools/list",
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}))
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rr := httptest.NewRecorder()
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srv.ServeHTTP(rr, req)
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assert.Equal(t, http.StatusOK, rr.Code)
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var resp map[string]any
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require.NoError(t, json.Unmarshal(rr.Body.Bytes(), &resp))
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tools := resp["result"].(map[string]any)["tools"].([]any)
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names := make([]string, 0, len(tools))
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for _, t := range tools {
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names = append(names, t.(map[string]any)["name"].(string))
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}
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assert.ElementsMatch(t, []string{
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"brain_query", "brain_write", "brain_index", "brain_tunnel",
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"brain_ingest_raw", "brain_ingest",
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"brain_answer", "brain_classify", "brain_graph", "session_log",
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}, names)
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}
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func TestServerNotificationGetsNoBody(t *testing.T) {
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srv := mcp.NewServer(t.TempDir(), nil, nil, nil)
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req := httptest.NewRequest(http.MethodPost, "/mcp", body(t, map[string]any{
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"jsonrpc": "2.0", "method": "notifications/initialized",
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}))
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rr := httptest.NewRecorder()
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srv.ServeHTTP(rr, req)
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assert.Equal(t, http.StatusOK, rr.Code)
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assert.Empty(t, strings.TrimSpace(rr.Body.String()))
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}
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func TestServerUnknownMethodReturnsError(t *testing.T) {
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srv := mcp.NewServer(t.TempDir(), nil, nil, nil)
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req := httptest.NewRequest(http.MethodPost, "/mcp", body(t, map[string]any{
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"jsonrpc": "2.0", "id": 3, "method": "unknown/method",
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}))
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rr := httptest.NewRecorder()
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srv.ServeHTTP(rr, req)
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assert.Equal(t, http.StatusOK, rr.Code)
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var resp map[string]any
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require.NoError(t, json.Unmarshal(rr.Body.Bytes(), &resp))
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require.NotNil(t, resp["error"])
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errObj := resp["error"].(map[string]any)
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assert.Equal(t, float64(-32601), errObj["code"])
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assert.Contains(t, errObj["message"].(string), "unknown/method")
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}
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