README.md

Ryanair common testing libraries

Starting testcontainers utilities

Function	Description
RunLocalstackDynamo	Runs localstack with dynamo
RunLocalstackSqs	Runs localstack with sqs
RunLocalstackServices	Runs localstack with any list of services
RunContainer	Runs any container

Base integration test suite

Simple utility for creating integration tests with testcontainers-go and localstack.

package handler

import (
	"context"
	"fmt"
	"github.com/Ryanair/gofrlib-test/frContainers"
	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/service/dynamodb"
	"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
	"github.com/testcontainers/testcontainers-go"
	"testing"
)

var (
	testTableName = "FR-LOCAL-DP-PRICE-TEST"
)

type HandlerIntegrationSuite struct {
	frContainers.BaseLocalstackIntegrationSuite
}

func TestHandlerIntegrationSuite(t *testing.T) {
	suite.Run(t, &HandlerIntegrationSuite{
		BaseLocalstackIntegrationSuite: frContainers.NewBaseLocalstackIntegrationSuite(func() (testcontainers.Container, string) {
			return frContainers.RunLocalstackDynamo(context.Background())
		}),
	})
}

func (suite *HandlerIntegrationSuite) buildDynamoClient() *dynamodb.Client {
	return dynamodb.NewFromConfig(suite.BaseLocalstackIntegrationSuite.GetLocalstackConfig())
}

func (suite *HandlerIntegrationSuite) SetupTest() {
	fmt.Println("Before test")
	_, err := suite.buildDynamoClient().CreateTable(context.Background(), &dynamodb.CreateTableInput{
		TableName:   &testTableName,
		BillingMode: types.BillingModePayPerRequest,
		AttributeDefinitions: []types.AttributeDefinition{
			{
				AttributeName: aws.String("id"),
				AttributeType: types.ScalarAttributeTypeS,
			},
			{
				AttributeName: aws.String("sortKey"),
				AttributeType: types.ScalarAttributeTypeS,
			},
		},
		KeySchema: []types.KeySchemaElement{
			{
				AttributeName: aws.String("id"),
				KeyType:       types.KeyTypeHash,
			},
			{
				AttributeName: aws.String("sortKey"),
				KeyType:       types.KeyTypeRange,
			},
		},
	})
	if err != nil {
		suite.TearDownSuite()
	}
}

func (suite *HandlerIntegrationSuite) TearDownTest() {
	fmt.Println("After test")
	_, err := suite.buildDynamoClient().DeleteTable(context.Background(), &dynamodb.DeleteTableInput{
		TableName: &testTableName,
	})
	if err != nil {
		fmt.Println(err)
		suite.TearDownSuite()
	}
}

func (suite *HandlerIntegrationSuite) Test_TableExists() {
	// WHEN
	client := suite.buildDynamoClient()
	tables, err := client.ListTables(context.TODO(), &dynamodb.ListTablesInput{})
	suite.NoError(err)

	// THEN
	assert.Equal(suite.T(), 1, len(tables.TableNames))
}

Customizations

localstack images can be overriden using TESTCONTAINERS_HUB_IMAGE_NAME_PREFIX env variable.