Testing a redis client against real redis

main_test.go

package main

import (
	"context"
	"testing"

	goredis "github.com/redis/go-redis/v9"

	"github.com/testcontainers/testcontainers-go/modules/redis"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestWithRedis(t *testing.T) {
	ctx := context.Background()

	redisContainer, err := redis.RunContainer(ctx)
	require.NoError(t, err)
	t.Cleanup(func() {
		if err := redisContainer.Terminate(ctx); err != nil {
			t.Fatalf("failed to terminate container: %s", err)
		}
	})

	endpoint, err := redisContainer.Endpoint(ctx, "")
	require.NoError(t, err)

	client := goredis.NewClient(&goredis.Options{
		Addr: endpoint,
	})

	client.Set(ctx, "FOO", "BAR", 0)
	result := client.Get(ctx, "FOO")
	assert.Equal(t, "BAR", result.Val())
}