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package dynamodb
import (
"bytes"
"encoding/json"
"github.com/AdRoll/goamz/aws"
"github.com/AdRoll/goamz/dynamodb/dynamizer"
"reflect"
"testing"
)
func TestDynamoQuery(t *testing.T) {
region := aws.Region{DynamoDBEndpoint: "http://127.0.0.1:8000"}
auth := aws.Auth{AccessKey: "DUMMY_KEY", SecretKey: "DUMMY_SECRET"}
server := New(auth, region)
desc := TableDescriptionT{
TableName: "DynamoDBTestMyTable",
AttributeDefinitions: []AttributeDefinitionT{
AttributeDefinitionT{"TestHashKey", "S"},
},
KeySchema: []KeySchemaT{
KeySchemaT{"TestHashKey", "HASH"},
},
ProvisionedThroughput: ProvisionedThroughputT{
ReadCapacityUnits: 1,
WriteCapacityUnits: 1,
},
}
pk, err := desc.BuildPrimaryKey()
if err != nil {
panic(err)
}
table := server.NewTable(desc.TableName, pk)
testGetQuery(t, table, true, `{"TableName":"DynamoDBTestMyTable","ConsistentRead":true,"Key":{"TestHashKey":{"S":"NewHashKeyVal"}}}`)
testGetQuery(t, table, false, `{"TableName":"DynamoDBTestMyTable","Key":{"TestHashKey":{"S":"NewHashKeyVal"}}}`)
testPutQuery(t, table, `{"TableName":"DynamoDBTestMyTable","Item":{"Attr1":{"S":"Attr1Val"},"Attr2":{"N":"12"},"TestHashKey":{"S":"NewHashKeyVal"}}}`)
testDeleteQuery(t, table, false, `{"TableName":"DynamoDBTestMyTable","Key":{"TestHashKey":{"S":"NewHashKeyVal"}}}`)
}
func TestDynamoQueryWithRange(t *testing.T) {
region := aws.Region{DynamoDBEndpoint: "http://127.0.0.1:8000"}
auth := aws.Auth{AccessKey: "DUMMY_KEY", SecretKey: "DUMMY_SECRET"}
server := New(auth, region)
desc := TableDescriptionT{
TableName: "DynamoDBTestMyTable",
AttributeDefinitions: []AttributeDefinitionT{
AttributeDefinitionT{"TestHashKey", "S"},
AttributeDefinitionT{"TestRangeKey", "N"},
},
KeySchema: []KeySchemaT{
KeySchemaT{"TestHashKey", "HASH"},
KeySchemaT{"TestRangeKey", "RANGE"},
},
ProvisionedThroughput: ProvisionedThroughputT{
ReadCapacityUnits: 1,
WriteCapacityUnits: 1,
},
}
pk, err := desc.BuildPrimaryKey()
if err != nil {
panic(err)
}
table := server.NewTable(desc.TableName, pk)
testGetQuery(t, table, true, `{"TableName":"DynamoDBTestMyTable","ConsistentRead":true,"Key":{"TestHashKey":{"S":"NewHashKeyVal"},"TestRangeKey":{"N":"12"}}}`)
testGetQuery(t, table, false, `{"TableName":"DynamoDBTestMyTable","Key":{"TestHashKey":{"S":"NewHashKeyVal"},"TestRangeKey":{"N":"12"}}}`)
testPutQuery(t, table, `{"TableName":"DynamoDBTestMyTable","Item":{"Attr1":{"S":"Attr1Val"},"Attr2":{"N":"12"},"TestHashKey":{"S":"NewHashKeyVal"},"TestRangeKey":{"N":"12"}}}`)
testDeleteQuery(t, table, false, `{"TableName":"DynamoDBTestMyTable","Key":{"TestHashKey":{"S":"NewHashKeyVal"},"TestRangeKey":{"N":"12"}}}`)
}
func testPutQuery(t *testing.T, table *Table, expected string) {
var key *Key
if table.Key.HasRange() {
key = &Key{HashKey: "NewHashKeyVal", RangeKey: "12"}
} else {
key = &Key{HashKey: "NewHashKeyVal"}
}
data := map[string]interface{}{
"Attr1": "Attr1Val",
"Attr2": 12}
item, err := dynamizer.ToDynamo(data)
if err != nil {
t.Fatal(err)
}
q := NewDynamoQuery(table)
if err := q.AddItem(key, item); err != nil {
t.Fatal(err)
}
actual, err := q.Marshal()
if err != nil {
t.Fatal(err)
}
compareJSONStrings(t, expected, actual)
}
func testGetQuery(t *testing.T, table *Table, consistent bool, expected string) {
var key *Key
if table.Key.HasRange() {
key = &Key{HashKey: "NewHashKeyVal", RangeKey: "12"}
} else {
key = &Key{HashKey: "NewHashKeyVal"}
}
q := NewDynamoQuery(table)
if err := q.AddKey(key); err != nil {
t.Fatal(err)
}
if err := q.SetConsistentRead(consistent); err != nil {
t.Fatal(err)
}
actual, err := q.Marshal()
if err != nil {
t.Fatal(err)
}
compareJSONStrings(t, expected, actual)
}
func testDeleteQuery(t *testing.T, table *Table, consistent bool, expected string) {
var key *Key
if table.Key.HasRange() {
key = &Key{HashKey: "NewHashKeyVal", RangeKey: "12"}
} else {
key = &Key{HashKey: "NewHashKeyVal"}
}
q := NewDynamoQuery(table)
if err := q.AddKey(key); err != nil {
t.Fatal(err)
}
actual, err := q.Marshal()
if err != nil {
t.Fatal(err)
}
compareJSONStrings(t, expected, actual)
}
// What we're trying to do here is compare the JSON encoded values, but we can't
// to a simple encode + string compare since JSON encoding is not ordered. So
// what we do is JSON encode, then JSON decode into untyped maps, and then
// finally do a recursive comparison.
func compareJSONStrings(t *testing.T, expected string, actual []byte) {
var expectedBytes bytes.Buffer
expectedBytes.WriteString(expected)
var expectedUntyped, actualUntyped map[string]interface{}
err := json.Unmarshal(expectedBytes.Bytes(), &expectedUntyped)
if err != nil {
t.Fatal(err)
}
err = json.Unmarshal(actual, &actualUntyped)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(expectedUntyped, actualUntyped) {
t.Fatalf("Expected %s, got %s", expected, actual)
}
}
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