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table_test.go
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table_test.go
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package main
import (
"testing"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/dynamodb"
"github.com/stretchr/testify/assert"
)
func Test_generateGsiUpdate(t *testing.T) {
tests := []struct {
name string
originalCapacity Throughput
deltaCapacity *provisionedThroughput
expect []*dynamodb.GlobalSecondaryIndexUpdate
}{
{
name: "no gsi",
originalCapacity: Throughput{
table: provisionedThroughput{1, 2},
},
deltaCapacity: &provisionedThroughput{1, 2},
expect: []*dynamodb.GlobalSecondaryIndexUpdate(nil),
},
{
name: "one gsi",
originalCapacity: Throughput{
table: provisionedThroughput{1, 1},
gsi: map[string]provisionedThroughput{
"first-gsi": {10, 10},
},
},
deltaCapacity: &provisionedThroughput{5, 5},
expect: []*dynamodb.GlobalSecondaryIndexUpdate{
{
Update: &dynamodb.UpdateGlobalSecondaryIndexAction{
IndexName: aws.String("first-gsi"),
ProvisionedThroughput: &dynamodb.ProvisionedThroughput{
ReadCapacityUnits: aws.Int64(15),
WriteCapacityUnits: aws.Int64(15),
},
},
},
},
},
{
name: "two gsi",
originalCapacity: Throughput{
table: provisionedThroughput{1, 1},
gsi: map[string]provisionedThroughput{
"first-gsi": {10, 10},
"second-gsi": {20, 20},
},
},
deltaCapacity: &provisionedThroughput{5, 5},
expect: []*dynamodb.GlobalSecondaryIndexUpdate{
{
Update: &dynamodb.UpdateGlobalSecondaryIndexAction{
IndexName: aws.String("first-gsi"),
ProvisionedThroughput: &dynamodb.ProvisionedThroughput{
ReadCapacityUnits: aws.Int64(15),
WriteCapacityUnits: aws.Int64(15),
},
},
},
{
Update: &dynamodb.UpdateGlobalSecondaryIndexAction{
IndexName: aws.String("second-gsi"),
ProvisionedThroughput: &dynamodb.ProvisionedThroughput{
ReadCapacityUnits: aws.Int64(25),
WriteCapacityUnits: aws.Int64(25),
},
},
},
},
},
}
for _, test := range tests {
output := generateGsiUpdate(test.originalCapacity, test.deltaCapacity)
assert.Equal(t, test.expect, output)
}
}