s3_sequins_test.go

package main

import (
	"encoding/json"
	"github.com/crowdmob/goamz/aws"
	"github.com/crowdmob/goamz/s3"
	"github.com/crowdmob/goamz/s3/s3test"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"github.com/stripe/sequins/backend"
	"io/ioutil"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"
)

func setupS3() *backend.S3Backend {
	fakeS3, _ := s3test.NewServer(&s3test.Config{})

	// cargo-culted from s3test
	fakeRegion := aws.Region{
		Name:                 "faux-region-1",
		S3Endpoint:           fakeS3.URL(),
		S3LocationConstraint: true,
	}

	auth, _ := aws.GetAuth("foo", "bar", "", time.Time{})
	bucket := s3.New(auth, fakeRegion).Bucket("sequinstest")
	bucket.PutBucket("")

	putFile(bucket, "test_data/0/part-00000")
	putFile(bucket, "test_data/0/part-00001")
	putFile(bucket, "test_data/0/_SUCCESS")

	putFile(bucket, "test_data/1/part-00000")
	putFile(bucket, "test_data/1/part-00001")

	bucket.Put("test_data/foo", []byte("nothing"), "", "", s3.Options{})

	return backend.NewS3Backend(bucket, "test_data")
}

func getS3Sequins(t *testing.T) *sequins {
	backend := setupS3()
	tmpDir, _ := ioutil.TempDir("", "sequins-")
	s := newSequins(backend, sequinsOptions{tmpDir, false})

	require.NoError(t, s.init())

	time.Sleep(100 * time.Millisecond)
	return s
}

func putFile(bucket *s3.Bucket, src string) {
	bytes, _ := ioutil.ReadFile(src)
	bucket.Put(src, bytes, "", "", s3.Options{})
}

func TestS3Backend(t *testing.T) {
	s := setupS3()

	version, err := s.LatestVersion(false)
	require.NoError(t, err)
	assert.Equal(t, "1", version)

	version, err = s.LatestVersion(true)
	require.NoError(t, err)
	assert.Equal(t, "0", version)
}

func TestS3Sequins(t *testing.T) {
	ts := getS3Sequins(t)
	h := ts.handler()

	req, _ := http.NewRequest("GET", "/Alice", nil)
	w := httptest.NewRecorder()
	h.ServeHTTP(w, req)

	assert.Equal(t, 200, w.Code)
	assert.Equal(t, "Practice", w.Body.String())

	req, _ = http.NewRequest("GET", "/foo", nil)
	w = httptest.NewRecorder()
	h.ServeHTTP(w, req)

	assert.Equal(t, 404, w.Code)
	assert.Equal(t, "", w.Body.String())

	req, _ = http.NewRequest("GET", "/", nil)
	w = httptest.NewRecorder()
	h.ServeHTTP(w, req)

	now := time.Now().Unix() - 1
	status := &status{}
	err := json.Unmarshal(w.Body.Bytes(), status)
	require.NoError(t, err)
	assert.Equal(t, 200, w.Code)
	assert.Equal(t, "s3://sequinstest/test_data/1", status.Path)
	assert.True(t, status.Started >= now)
	assert.Equal(t, 3, status.Count)
}