openserp/google/parse_html_test.go

package google

import (
	"bytes"
	"os"
	"strings"
	"testing"
)

func TestParseHTML(t *testing.T) {
	t.Parallel()

	data, err := os.ReadFile("testdata/search_results.html")
	if err != nil {
		t.Fatalf("read fixture: %v", err)
	}

	results, err := ParseHTML(bytes.NewReader(data))
	if err != nil {
		t.Fatalf("ParseHTML() error = %v", err)
	}

	if len(results) == 0 {
		t.Fatal("expected at least one result")
	}

	for i, r := range results {
		if r.Rank != i+1 {
			t.Fatalf("rank sequence broken at index %d: got %d, want %d", i, r.Rank, i+1)
		}
		if r.URL == "" {
			t.Fatalf("result %d: empty URL", i)
		}
		if r.Title == "" {
			t.Fatalf("result %d: empty Title", i)
		}
		if !strings.HasPrefix(r.URL, "http") {
			t.Fatalf("result %d: URL not absolute: %s", i, r.URL)
		}
	}
}

func TestParseHTMLEmpty(t *testing.T) {
	t.Parallel()

	results, err := ParseHTML(bytes.NewReader([]byte("")))
	if err != nil {
		t.Fatalf("ParseHTML() error = %v", err)
	}
	if len(results) != 0 {
		t.Fatalf("expected zero results for empty HTML, got %d", len(results))
	}
}

func TestParseHTMLNoResults(t *testing.T) {
	t.Parallel()

	data, err := os.ReadFile("testdata/search_no_results.html")
	if err != nil {
		t.Fatalf("read fixture: %v", err)
	}

	results, err := ParseHTML(bytes.NewReader(data))
	if err != nil {
		t.Fatalf("ParseHTML() error = %v", err)
	}
	if len(results) != 0 {
		t.Fatalf("expected zero results, got %d", len(results))
	}
}

func TestParseHTMLAdsDoNotConsumeOrganicRank(t *testing.T) {
	t.Parallel()

	html := `
<div>
  <div data-hveid="1" data-ved="ad" data-text-ad="1">
    <a href="https://ads.example.com"><h3>Sponsored Result</h3></a>
    <div data-sncf="1"><div>Paid snippet</div></div>
  </div>
  <div data-hveid="2" data-ved="organic1">
    <a href="https://organic.example.com/one"><h3>Organic One</h3></a>
    <div data-sncf="1"><div>Organic snippet one</div></div>
  </div>
  <div data-hveid="3" data-ved="organic2">
    <a href="https://organic.example.com/two"><h3>Organic Two</h3></a>
    <div data-sncf="1"><div>Organic snippet two</div></div>
  </div>
</div>`

	results, err := ParseHTML(bytes.NewReader([]byte(html)))
	if err != nil {
		t.Fatalf("ParseHTML() error = %v", err)
	}
	if len(results) != 3 {
		t.Fatalf("expected 3 results, got %d", len(results))
	}

	organicRank := 0
	adRank := 0
	for _, r := range results {
		if r.Ad {
			adRank++
			if r.Rank != adRank {
				t.Fatalf("ad rank = %d, want %d", r.Rank, adRank)
			}
			continue
		}
		organicRank++
		if r.Rank != organicRank {
			t.Fatalf("organic rank = %d, want %d", r.Rank, organicRank)
		}
	}
	if organicRank != 2 {
		t.Fatalf("organic count = %d, want 2", organicRank)
	}
	if results[0].AbsoluteRank != 1 || results[1].AbsoluteRank != 2 || results[2].AbsoluteRank != 3 {
		t.Fatalf("unexpected absolute ranks: %d, %d, %d", results[0].AbsoluteRank, results[1].AbsoluteRank, results[2].AbsoluteRank)
	}
}