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dictionary_test.go
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dictionary_test.go
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package spellchecker
import (
"testing"
"github.com/stretchr/testify/require"
)
func Test_dictionary_id(t *testing.T) {
dict, err := newDictionary(DefaultAlphabet)
require.NoError(t, err)
t.Run("must return 0 for unexisting word", func(t *testing.T) {
id := dict.id("word")
require.Equal(t, uint32(0), id)
})
t.Run("must return id for unexisting word", func(t *testing.T) {
dict.ids["word"] = 1
id := dict.id("word")
require.Equal(t, uint32(1), id)
})
}
func Test_dictionary_add(t *testing.T) {
t.Run("must add word to dictionary index", func(t *testing.T) {
dict, err := newDictionary(DefaultAlphabet)
require.NoError(t, err)
id, err := dict.add("qwe")
require.NoError(t, err)
require.Equal(t, uint32(1), id)
require.Equal(t, 1, dict.docs[id].Count)
require.Equal(t, 1, len(dict.ids))
require.Equal(t, uint32(2), dict.nextID)
require.Len(t, dict.index, 1)
id, err = dict.add("asd")
require.NoError(t, err)
require.Equal(t, uint32(2), id)
require.Equal(t, 1, dict.docs[id].Count)
require.Equal(t, 2, len(dict.ids))
require.Equal(t, uint32(3), dict.nextID)
require.Len(t, dict.index, 2)
})
}
func Test_Dictionary_Inc(t *testing.T) {
t.Run("must increase counter value", func(t *testing.T) {
dict, err := newDictionary(DefaultAlphabet)
dict.docs[1] = Doc{}
require.NoError(t, err)
require.Equal(t, 0, dict.docs[1].Count)
require.Equal(t, 0, dict.docs[2].Count)
dict.inc(1)
require.Equal(t, 1, dict.docs[1].Count)
require.Equal(t, 0, dict.docs[2].Count)
})
}
// func Benchmark_match(b *testing.B) {
// dict := New()
// dict.Add("orange")
// dict.Add("range")
// b.ResetTimer()
// for i := 0; i < b.N; i++ {
// dict.match([]string{"ran", "nge"}, 5, 0)
// }
// }
// func Test_Match(t *testing.T) {
// dict := New()
// dict.Add("orange")
// dict.Add("ranger")
// t.Run("must return empty bitmap if nothing found", func(t *testing.T) {
// m := dict.match([]string{"qwe"}, 3, 0)
// require.NotNil(t, m)
// require.True(t, m.IsEmpty())
// })
// t.Run("must be able to find a word without offset", func(t *testing.T) {
// m := dict.match([]string{"ora", "ran", "ang", "nge"}, 6, 0)
// require.False(t, m.IsEmpty())
// require.Equal(t, uint64(1), m.GetCardinality())
// doc, ok := dict.docRaw(m.ToArray()[0])
// require.True(t, ok)
// require.Equal(t, "orange", doc.Word)
// })
// t.Run("must be able to find a word with offset", func(t *testing.T) {
// m := dict.match([]string{"ora", "ran", "ang", "nge"}, 6, -1)
// require.False(t, m.IsEmpty())
// require.Equal(t, uint64(1), m.GetCardinality())
// doc, ok := dict.docRaw(m.ToArray()[0])
// require.True(t, ok)
// require.Equal(t, "ranger", doc.Word)
// })
// }