func testAtomicPutCreate(t *testing.T, kv store.Store) {
// Use a key in a new directory to ensure Stores will create directories
// that don't yet exist.
key := "put/create"
value := []byte("putcreate")
// AtomicPut the key, previous = nil indicates create.
success, _, err := kv.AtomicPut(key, value, nil, nil)
assert.NoError(t, err)
assert.True(t, success)
// Get should return the value and an incremented index
pair, err := kv.Get(key)
assert.NoError(t, err)
if assert.NotNil(t, pair) {
assert.NotNil(t, pair.Value)
}
assert.Equal(t, pair.Value, value)
// Attempting to create again should fail.
success, _, err = kv.AtomicPut(key, value, nil, nil)
assert.Error(t, err)
assert.False(t, success)
// This CAS should succeed, since it has the value from Get()
success, _, err = kv.AtomicPut(key, []byte("PUTCREATE"), pair, nil)
assert.NoError(t, err)
assert.True(t, success)
// Delete the key, ensures runs of the test don't interfere with each other.
err = kv.DeleteTree("put")
assert.NoError(t, err)
}
func testDeleteTree(t *testing.T, kv store.Store) {
prefix := "nodes"
firstKey := "nodes/first"
firstValue := []byte("first")
secondKey := "nodes/second"
secondValue := []byte("second")
// Put the first key
err := kv.Put(firstKey, firstValue, nil)
assert.NoError(t, err)
// Put the second key
err = kv.Put(secondKey, secondValue, nil)
assert.NoError(t, err)
// Get should work on the first Key
pair, err := kv.Get(firstKey)
assert.NoError(t, err)
if assert.NotNil(t, pair) {
assert.NotNil(t, pair.Value)
}
assert.Equal(t, pair.Value, firstValue)
assert.NotEqual(t, pair.LastIndex, 0)
// Get should work on the second Key
pair, err = kv.Get(secondKey)
assert.NoError(t, err)
if assert.NotNil(t, pair) {
assert.NotNil(t, pair.Value)
}
assert.Equal(t, pair.Value, secondValue)
assert.NotEqual(t, pair.LastIndex, 0)
// Delete Values under directory `nodes`
err = kv.DeleteTree(prefix)
assert.NoError(t, err)
// Get should fail on both keys
pair, err = kv.Get(firstKey)
assert.Error(t, err)
assert.Nil(t, pair)
pair, err = kv.Get(secondKey)
assert.Error(t, err)
assert.Nil(t, pair)
}