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errors_test.go
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/
errors_test.go
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package nutsdb
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
)
func TestIsKeyNotFound(t *testing.T) {
ts := []struct {
err error
want bool
}{
{
ErrKeyNotFound,
true,
},
{
errors.Wrap(ErrKeyNotFound, "foobar"),
true,
},
{
errors.New("foo bar"),
false,
},
}
for _, tc := range ts {
got := IsKeyNotFound(tc.err)
assert.Equal(t, tc.want, got)
}
}
func TestIsKeyEmpty(t *testing.T) {
type args struct {
err error
}
tests := []struct {
name string
args args
want bool
}{
{"case1", args{fmt.Errorf("foo error")}, false},
{"case2", args{fmt.Errorf("foo error,%w", errors.New("sourceErr"))}, false},
{"case3", args{fmt.Errorf("foo error,%w", ErrKeyEmpty)}, true},
{"case4_errors.Wrap", args{errors.Wrap(ErrKeyEmpty, "foo Err")}, true},
{"case5_errors.Wrapf", args{errors.Wrapf(ErrKeyEmpty, "foo Err %s", ErrKeyEmpty.Error())}, true},
{"case6_errors.rawError", args{ErrKeyEmpty}, true},
{"case6_errors.keynotfoundErr", args{ErrKeyNotFound}, false},
// {"case5", args{errors.Wrap())}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := IsKeyEmpty(tt.args.err); got != tt.want {
t.Errorf("IsKeyEmpty() = %v, want %v", got, tt.want)
}
})
}
}
func TestIsBucketNotFound(t *testing.T) {
ts := []struct {
err error
want bool
}{
{
ErrBucketNotFound,
true,
},
{
errors.Wrap(ErrBucketNotFound, "foobar"),
true,
},
{
errors.New("foobar"),
false,
},
}
for _, tc := range ts {
got := IsBucketNotFound(tc.err)
assert.Equal(t, tc.want, got)
}
}
func TestIsBucketEmpty(t *testing.T) {
ts := []struct {
err error
want bool
}{
{
ErrBucketEmpty,
true,
},
{
errors.Wrap(ErrBucketEmpty, "foobar"),
true,
},
{
errors.New("foobar"),
false,
},
}
for _, tc := range ts {
got := IsBucketEmpty(tc.err)
assert.Equal(t, tc.want, got)
}
}
func TestIsDBClosed(t *testing.T) {
InitOpt("", true)
bucket := "test_closed"
key := []byte("foo")
val := []byte("bar")
db, err = Open(opt)
t.Run("db can be used before closed", func(t *testing.T) {
txCreateBucket(t, db, DataStructureBTree, bucket, nil)
err = db.Update(
func(tx *Tx) error {
return tx.Put(bucket, key, val, Persistent)
})
require.NoError(t, err)
})
assert.NoError(t, db.Close())
t.Run("db can't be used after closed", func(t *testing.T) {
err = db.Update(
func(tx *Tx) error {
return tx.Put(bucket, key, val, Persistent)
})
got := IsDBClosed(err)
assert.Equal(t, true, got)
})
}
func TestIsPrefixScan(t *testing.T) {
bucket := "test_prefix_scan"
t.Run("if prefix scanning not found the result return true", func(t *testing.T) {
withDefaultDB(t, func(t *testing.T, db *DB) {
{
txCreateBucket(t, db, DataStructureBTree, bucket, nil)
tx, err := db.Begin(true)
require.NoError(t, err)
for i := 0; i <= 10; i++ {
key := []byte("key_" + fmt.Sprintf("%07d", i))
val := []byte("val" + fmt.Sprintf("%07d", i))
err = tx.Put(bucket, key, val, Persistent)
assert.NoError(t, err)
}
assert.NoError(t, tx.Commit())
}
{
tx, err = db.Begin(false)
require.NoError(t, err)
prefix := []byte("key_")
es, err := tx.PrefixScan(bucket, prefix, 0, 10)
assert.NoError(t, tx.Commit())
assert.NotEmpty(t, es)
got := IsPrefixScan(err)
assert.Equal(t, false, got)
}
{
tx, err = db.Begin(false)
require.NoError(t, err)
prefix := []byte("foo_")
es, err := tx.PrefixScan(bucket, prefix, 0, 10)
assert.NoError(t, tx.Commit())
assert.Empty(t, es)
got := IsPrefixScan(err)
assert.Equal(t, true, got)
}
})
})
}
func TestIsPrefixSearchScan(t *testing.T) {
regs := "(.+)"
bucket := "test_prefix_search_scan"
t.Run("if prefix and search scanning not found the result return true", func(t *testing.T) {
withDefaultDB(t, func(t *testing.T, db *DB) {
{
txCreateBucket(t, db, DataStructureBTree, bucket, nil)
tx, err := db.Begin(true)
require.NoError(t, err)
for i := 0; i <= 10; i++ {
key := []byte("key_" + fmt.Sprintf("%07d", i))
val := []byte("val" + fmt.Sprintf("%07d", i))
err = tx.Put(bucket, key, val, Persistent)
assert.NoError(t, err)
}
assert.NoError(t, tx.Commit())
}
{
tx, err = db.Begin(false)
require.NoError(t, err)
prefix := []byte("key_")
es, err := tx.PrefixSearchScan(bucket, prefix, regs, 0, 10)
assert.NoError(t, tx.Commit())
assert.NotEmpty(t, es)
got := IsPrefixSearchScan(err)
assert.Equal(t, false, got)
}
{
tx, err = db.Begin(false)
require.NoError(t, err)
prefix := []byte("foo_")
es, err := tx.PrefixSearchScan(bucket, prefix, regs, 0, 10)
assert.NoError(t, tx.Commit())
assert.Empty(t, es)
got := IsPrefixSearchScan(err)
assert.Equal(t, true, got)
}
})
})
}