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spellcheck_test.go
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spellcheck_test.go
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package kowalski
import (
"bytes"
"io/ioutil"
"os"
"reflect"
"testing"
)
var testChecker *SpellChecker
func init() {
f, _ := os.Open("testdata/test_words.txt")
defer f.Close()
testChecker, _ = CreateSpellChecker(f, 10)
}
func TestCreateSpellChecker(t *testing.T) {
tests := []struct {
word string
valid bool
prefix bool
}{
{"foo", true, true},
{"bar", true, true},
{"baz", true, true},
{"ba", false, true},
{"b", false, true},
{"ab", false, false},
}
for _, tt := range tests {
t.Run(tt.word, func(t *testing.T) {
if got := testChecker.Valid(tt.word); got != tt.valid {
t.Errorf("Valid() = %v, want %v", got, tt.valid)
}
if got := testChecker.Prefix(tt.word); got != tt.prefix {
t.Errorf("Prefix() = %v, want %v", got, tt.prefix)
}
})
}
}
func TestSaveSpellChecker(t *testing.T) {
buffer := &bytes.Buffer{}
if err := SaveSpellChecker(buffer, testChecker); err != nil {
t.Errorf("SaveSpellChecker() failed to save checker: %v", err)
}
saved, _ := ioutil.ReadFile("testdata/test_words.wl")
if !reflect.DeepEqual(saved, buffer.Bytes()) {
t.Errorf("Saved spell checker differs from golden: got %v, wanted %v", buffer.Bytes(), saved)
}
}
func TestLoadSpellChecker(t *testing.T) {
f, _ := os.Open("testdata/test_words.wl")
s, err := LoadSpellChecker(f)
if err != nil {
t.Errorf("LoadSpellChecker() failed to load checker: %v", err)
}
if !reflect.DeepEqual(testChecker, s) {
t.Errorf("Restored spell checker differs from original: got %v, wanted %v", s, testChecker)
}
}