Files
openserp/duckduckgo/serp_features_test.go

104 lines
2.8 KiB
Go

package duckduckgo
import (
"bytes"
"os"
"testing"
"github.com/karust/openserp/core"
)
func TestParseHTMLFixtureExtractsRealFeatures(t *testing.T) {
t.Parallel()
f, err := os.Open("testdata/search_results.html")
if err != nil {
t.Fatalf("open fixture: %v", err)
}
defer f.Close()
results, err := ParseHTML(f)
if err != nil {
t.Fatalf("ParseHTML() error = %v", err)
}
assertFeatureType(t, results, core.ResultTypeRelatedSearches)
// wikinlp/about instant-answer modules are surfaced as features, not results.
assertFeatureType(t, results, core.ResultTypeAISummary)
// Organic ranks must be a contiguous 1..N sequence. The combined result
// selector previously matched both the li[data-layout] wrapper and the inner
// article[data-testid], counting each result twice and leaving rank gaps.
rank := 0
for i, r := range results {
if r.Ad {
continue
}
rank++
if r.Rank != rank {
t.Fatalf("organic rank gap at index %d: got %d, want %d", i, r.Rank, rank)
}
}
}
func TestParseHTMLExtractsSerpFeatures(t *testing.T) {
t.Parallel()
html := `
<div class="zci zci--answer" id="zero_click_wrapper">
<h2>DuckDuckGo answer</h2>
<div class="zci__result">DuckDuckGo instant answer text.</div>
<a class="zci__more-at" href="https://example.com/source">Source</a>
</div>
<div data-testid="related-searches">
<a href="https://duckduckgo.com/?q=related+one">related one</a>
<a href="https://duckduckgo.com/?q=related+two">related two</a>
</div>
<article data-testid="result">
<h2><a data-testid="result-title-a" href="https://example.com/result">Organic result</a></h2>
<div data-result="snippet">Snippet</div>
</article>`
results, err := ParseHTML(bytes.NewReader([]byte(html)))
if err != nil {
t.Fatalf("ParseHTML() error = %v", err)
}
assertFeatureType(t, results, core.ResultTypeAnswerBox)
assertFeatureType(t, results, core.ResultTypeRelatedSearches)
}
func TestParseHTMLOrganicOnlyHasNoSerpFeatures(t *testing.T) {
t.Parallel()
html := `
<article data-testid="result">
<h2><a data-testid="result-title-a" href="https://example.com/result">Organic result</a></h2>
<div data-result="snippet">Snippet</div>
</article>`
results, err := ParseHTML(bytes.NewReader([]byte(html)))
if err != nil {
t.Fatalf("ParseHTML() error = %v", err)
}
assertNoFeatures(t, results)
}
func assertFeatureType(t *testing.T, results []core.SearchResult, want core.ResultType) {
t.Helper()
for _, result := range results {
for _, feature := range result.Features {
if feature.Type == want {
return
}
}
}
t.Fatalf("expected feature type %q in %#v", want, results)
}
func assertNoFeatures(t *testing.T, results []core.SearchResult) {
t.Helper()
for _, result := range results {
if len(result.Features) > 0 {
t.Fatalf("expected no features, got %#v", result.Features)
}
}
}