feat(tools): dir_list

internal/tools/dir_list_test.go

@@ -0,0 +1,75 @@
+package tools_test
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/tools"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDirListReturnsEntries(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "/api/v1/repos/owner/repo/contents/src", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`[
+			{"name":"main.go","path":"src/main.go","type":"file","sha":"abc","size":512},
+			{"name":"util","path":"src/util","type":"dir","sha":"def","size":0}
+		]`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewDirList(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"owner"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"owner","name":"repo","path":"src"}`))
+	require.NoError(t, err)
+
+	var result []map[string]any
+	require.NoError(t, json.Unmarshal(out, &result))
+	require.Len(t, result, 2)
+	assert.Equal(t, "main.go", result[0]["name"])
+	assert.Equal(t, "file", result[0]["type"])
+	assert.Equal(t, "util", result[1]["name"])
+	assert.Equal(t, "dir", result[1]["type"])
+}
+
+func TestDirListRootPath(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "/api/v1/repos/owner/repo/contents/", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`[]`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewDirList(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"owner"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"owner","name":"repo","path":""}`))
+	require.NoError(t, err)
+
+	var result []map[string]any
+	require.NoError(t, json.Unmarshal(out, &result))
+	assert.Empty(t, result)
+}
+
+func TestDirListOnFileReturnsError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"path":"README.md","sha":"abc","size":10,"content":"","encoding":"base64"}`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewDirList(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"owner"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"owner","name":"repo","path":"README.md"}`))
+	require.Error(t, err)
+	assert.ErrorIs(t, err, gitea.ErrValidation)
+}
+
+func TestDirListAllowlistRejects(t *testing.T) {
+	tool := tools.NewDirList(gitea.NewClient("http://unused", ""), allowlist.New([]string{"allowed"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"repo","path":""}`))
+	require.Error(t, err)
+}