//
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package utility
import (
"bytes"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
)
func TestHtmlToReadableMarkdown(t *testing.T) {
out := htmlToReadableMarkdown([]byte("hello
world
"))
if bytes.Contains(out, []byte("<")) {
t.Errorf("tags not stripped: %q", out)
}
if !bytes.Contains(out, []byte("hello")) || !bytes.Contains(out, []byte("world")) {
t.Errorf("text lost: %q", out)
}
}
func TestFetchRemoteFileSafely_PDFAddsExtension(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/pdf")
_, _ = w.Write([]byte("%PDF-1.7 fake pdf"))
}))
defer server.Close()
origAssert := AssertURLSafe
origPinned := PinnedHTTPClient
AssertURLSafe = func(rawURL string) (string, string, error) {
return "127.0.0.1", "127.0.0.1", nil
}
PinnedHTTPClient = func(hostname, resolvedIP string, timeout time.Duration) *http.Client {
return server.Client()
}
t.Cleanup(func() {
AssertURLSafe = origAssert
PinnedHTTPClient = origPinned
})
data, headers, _, err := FetchRemoteFileSafely(server.URL+"/report", 100<<20)
if err != nil {
t.Fatalf("FetchRemoteFileSafely failed: %v", err)
}
if ct := headers.Get("Content-Type"); ct != "application/pdf" {
t.Fatalf("Content-Type = %q, want application/pdf", ct)
}
if !bytes.Equal(data, []byte("%PDF-1.7 fake pdf")) {
t.Fatalf("data = %q, want %%PDF-1.7 fake pdf", string(data))
}
}
func TestFetchRemoteFileSafely_ReturnsContentAndHeaders(t *testing.T) {
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html; charset=utf-8")
_, _ = w.Write([]byte(`Hello World`))
}))
defer server.Close()
origAssert := AssertURLSafe
origPinned := PinnedHTTPClient
AssertURLSafe = func(rawURL string) (string, string, error) {
return "127.0.0.1", "127.0.0.1", nil
}
PinnedHTTPClient = func(hostname, resolvedIP string, timeout time.Duration) *http.Client {
return server.Client()
}
t.Cleanup(func() {
AssertURLSafe = origAssert
PinnedHTTPClient = origPinned
})
data, headers, finalURL, err := FetchRemoteFileSafely(server.URL+"/page", 100<<20)
if err != nil {
t.Fatalf("FetchRemoteFileSafely failed: %v", err)
}
if ct := headers.Get("Content-Type"); !strings.Contains(ct, "text/html") {
t.Fatalf("Content-Type = %q, want text/html", ct)
}
if finalURL != server.URL+"/page" {
t.Fatalf("finalURL = %q, want %q", finalURL, server.URL+"/page")
}
if !bytes.Equal(data, []byte(`Hello World`)) {
t.Fatalf("data = %q", string(data))
}
}