Files
gitea-mcp/internal/tools/file_read_test.go
Mathias Bergqvist 5f3ad99122
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feat(tools): repo_tree, repo_topics_update, file_read dir fix (#14, #15, #18)
repo_tree: GET /git/trees/{ref}?recursive=1 — full recursive file tree
repo_topics_update: PUT /repos/{owner}/{repo}/topics — replace topic list
file_read: detect array response and return descriptive error for dir paths
2026-05-15 10:23:31 +02:00

80 lines
3.3 KiB
Go

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 TestFileReadToolWithExplicitRef(t *testing.T) {
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, "/api/v1/repos/mathias/infra/contents/README.md", r.URL.Path)
assert.Equal(t, "main", r.URL.Query().Get("ref"))
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`{"path":"README.md","sha":"deadbeef","size":13,"content":"SGVsbG8sIHdvcmxkIQ==","encoding":"base64"}`))
}))
defer srv.Close()
tool := tools.NewFileRead(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","path":"README.md","ref":"main"}`))
require.NoError(t, err)
var result map[string]any
require.NoError(t, json.Unmarshal(out, &result))
assert.Equal(t, "README.md", result["path"])
assert.Equal(t, "main", result["ref"])
assert.Equal(t, "Hello, world!", result["content"])
}
func TestFileReadToolDefaultBranchResolution(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("/api/v1/repos/mathias/infra", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main"}`))
})
mux.HandleFunc("/api/v1/repos/mathias/infra/contents/README.md", func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, "main", r.URL.Query().Get("ref"))
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`{"path":"README.md","sha":"deadbeef","size":13,"content":"SGVsbG8sIHdvcmxkIQ==","encoding":"base64"}`))
})
srv := httptest.NewServer(mux)
defer srv.Close()
tool := tools.NewFileRead(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","path":"README.md"}`))
require.NoError(t, err)
var result map[string]any
require.NoError(t, json.Unmarshal(out, &result))
assert.Equal(t, "main", result["ref"])
}
func TestFileReadOnDirReturnsDescriptiveError(t *testing.T) {
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Gitea returns an array when path is a directory
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`[{"name":"README.md","path":"internal/README.md","type":"file","sha":"abc"}]`))
}))
defer srv.Close()
tool := tools.NewFileRead(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","path":"internal","ref":"main"}`))
require.Error(t, err)
assert.Contains(t, err.Error(), "directory")
assert.Contains(t, err.Error(), "dir_list")
}
func TestFileReadAllowlistRejects(t *testing.T) {
tool := tools.NewFileRead(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"infra","path":"README.md"}`))
require.Error(t, err)
}