package fts5

import (
	"testing"
)

func TestMatch(t *testing.T) {
	fts, err := OpenMem("Title", "Text")
	if err != nil {
		t.Fatal(err)
	}

	fts.Upsert(100, map[string]string{
		"Title": "Peter Rabbit",
		"Text":  "Peter Rabbit is a fictional animal character in various children's stories by English author Beatrix Potter.",
	})

	fts.Upsert(200, map[string]string{
		"Title": "Baloo",
		"Text":  "Fictional bear from the Jungle Book.",
	})

	fts.Upsert(300, map[string]string{
		"Title": "Barney Bear",
		"Text":  "A grumpy brown bear.",
	})

	fts.Upsert(400, map[string]string{
		"Title": "Peter the Panda",
		"Text":  "A secret agent panda from Seattle.",
	})

	// Should have 2 results for "peter".
	results, err := fts.Match("peter", 3, 0)
	if err != nil {
		t.Fatal(err)
	}
	if len(results) != 2 {
		t.Fatal(results)
	}

	// Try limit.
	results, err = fts.Match("peter", 1, 0)
	if err != nil {
		t.Fatal(err)
	}
	if len(results) != 1 {
		t.Fatal(results)
	}

	// Try offset.
	results, err = fts.Match("peter", 3, 1)
	if err != nil {
		t.Fatal(err)
	}
	if len(results) != 1 {
		t.Fatal(results)
	}
}