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client_test.go
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package gobulk
import (
"database/sql"
"fmt"
"log"
"os"
"testing"
"github.com/ory/dockertest"
"github.com/stretchr/testify/assert"
)
vartestInputDB*sql.DB
vartestOutputDB*sql.DB
varinputPortstring
varoutputPortstring
funcTestMain(m*testing.M) {
// uses a sensible default on windows (tcp/http) and linux/osx (socket)
pool,err:=dockertest.NewPool("")
iferr!=nil {
log.Fatalf("Could not connect to docker: %s",err)
}
// for input
// pulls an image, creates a container based on it and runs it
inputResource,err:=pool.Run("mysql","5.7", []string{"MYSQL_ROOT_PASSWORD=input"})
iferr!=nil {
log.Fatalf("Could not start resource: %s",err)
}
// exponential backoff-retry, because the application in the container might not be ready to accept connections yet
iferr:=pool.Retry(func()error {
varerrerror
inputPort=inputResource.GetPort("3306/tcp")
testInputDB,err=sql.Open("mysql",fmt.Sprintf("root:input@(localhost:%s)/mysql",inputPort))
iferr!=nil {
returnerr
}
returntestInputDB.Ping()
});err!=nil {
log.Fatalf("Could not connect to docker: %s",err)
}
// for output
outputResource,err:=pool.Run("mysql","5.7", []string{"MYSQL_ROOT_PASSWORD=output"})
iferr!=nil {
log.Fatalf("Could not start resource: %s",err)
}
iferr:=pool.Retry(func()error {
varerrerror
outputPort=outputResource.GetPort("3306/tcp")
testOutputDB,err=sql.Open("mysql",fmt.Sprintf("root:output@(localhost:%s)/mysql",outputPort))
iferr!=nil {
returnerr
}
returntestOutputDB.Ping()
});err!=nil {
log.Fatalf("Could not connect to docker: %s",err)
}
code:=m.Run()
// You can't defer this because os.Exit doesn't care for defer
iferr:=pool.Purge(inputResource);err!=nil {
log.Fatalf("Could not purge resource: %s",err)
}
iferr:=pool.Purge(outputResource);err!=nil {
log.Fatalf("Could not purge resource: %s",err)
}
os.Exit(code)
}
funcTestNewClient(t*testing.T) {
inputURL:=fmt.Sprintf("root:input@(localhost:%s)/mysql",inputPort)
outputURL:=fmt.Sprintf("root:output@(localhost:%s)/mysql",outputPort)
client,_:=NewClient("mysql","mysql",inputURL,outputURL)
assert.NotNil(t,client.InputDB)
assert.NotNil(t,client.OutputDB)
}
funcTestSync(t*testing.T) {
t.SkipNow()
}