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collection_test.go
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collection_test.go
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package LibraDB
import (
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"os"
"testing"
)
func Test_GetAndCreateCollection(t *testing.T) {
db, cleanFunc := createTestDB(t)
defer cleanFunc()
tx := db.WriteTx()
collectionName := testCollectionName
createdCollection, err := tx.CreateCollection(collectionName)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = db.ReadTx()
actual, err := tx.GetCollection(collectionName)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
expected := newEmptyCollection()
expected.root = createdCollection.root
expected.counter = 0
expected.name = collectionName
areCollectionsEqual(t, expected, actual)
}
func Test_GetCollectionDoesntExist(t *testing.T) {
db, cleanFunc := createTestDB(t)
defer cleanFunc()
tx := db.ReadTx()
collection, err := tx.GetCollection([]byte("name1"))
require.NoError(t, err)
assert.Nil(t, collection)
}
func Test_CreateCollectionPutItem(t *testing.T) {
db, cleanFunc := createTestDB(t)
defer cleanFunc()
tx := db.WriteTx()
collectionName := testCollectionName
createdCollection, err := tx.CreateCollection(collectionName)
require.NoError(t, err)
newKey := []byte("0")
newVal := []byte("1")
err = createdCollection.Put(newKey, newVal)
require.NoError(t, err)
item, err := createdCollection.Find(newKey)
require.NoError(t, err)
assert.Equal(t, newKey, item.key)
assert.Equal(t, newVal, item.value)
}
func Test_DeleteCollection(t *testing.T) {
db, cleanFunc := createTestDB(t)
defer cleanFunc()
tx := db.WriteTx()
collectionName := testCollectionName
createdCollection, err := tx.CreateCollection(collectionName)
require.NoError(t, err)
err = tx.Commit()
require.NoError(t, err)
tx = db.WriteTx()
actual, err := tx.GetCollection(collectionName)
require.NoError(t, err)
areCollectionsEqual(t, createdCollection, actual)
err = tx.DeleteCollection(createdCollection.name)
require.NoError(t, err)
actualAfterRemoval, err := tx.GetCollection(collectionName)
require.NoError(t, err)
assert.Nil(t, actualAfterRemoval)
err = tx.Commit()
require.NoError(t, err)
}
func Test_DeleteItem(t *testing.T) {
db, cleanFunc := createTestDB(t)
defer cleanFunc()
tx := db.WriteTx()
collectionName := testCollectionName
createdCollection, err := tx.CreateCollection(collectionName)
require.NoError(t, err)
newKey := []byte("0")
newVal := []byte("1")
err = createdCollection.Put(newKey, newVal)
require.NoError(t, err)
item, err := createdCollection.Find(newKey)
require.NoError(t, err)
assert.Equal(t, newKey, item.key)
assert.Equal(t, newVal, item.value)
err = createdCollection.Remove(item.key)
require.NoError(t, err)
item, err = createdCollection.Find(newKey)
require.NoError(t, err)
assert.Nil(t, item)
}
func TestSerializeCollection(t *testing.T) {
expectedCollectionValue, err := os.ReadFile(getExpectedResultFileName(t.Name()))
require.NoError(t, err)
expected := &Item{
key: []byte("collection1"),
value: expectedCollectionValue,
}
collection := &Collection{
name: []byte("collection1"),
root: 1,
counter: 1,
}
actual := collection.serialize()
assert.Equal(t, expected, actual)
}
func TestDeserializeCollection(t *testing.T) {
expectedCollectionValue, err := os.ReadFile(getExpectedResultFileName(t.Name()))
expected := &Collection{
name: []byte("collection1"),
root: 1,
counter: 1,
}
collection := &Item{
key: []byte("collection1"),
value: expectedCollectionValue,
}
actual := newEmptyCollection()
actual.deserialize(collection)
require.NoError(t, err)
assert.Equal(t, expected, actual)
}