packer-cn/builder/amazon/common/state_test.go

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package common
import (
"os"
"reflect"
"testing"
"time"
"github.com/aws/aws-sdk-go/aws/request"
)
func clearEnvVars() {
os.Unsetenv("AWS_POLL_DELAY_SECONDS")
os.Unsetenv("AWS_MAX_ATTEMPTS")
os.Unsetenv("AWS_TIMEOUT_SECONDS")
}
func testGetWaiterOptions(t *testing.T) {
clearEnvVars()
// no vars are set
options := getWaiterOptions()
if len(options) > 0 {
t.Fatalf("Did not expect any waiter options to be generated; actual: %#v", options)
}
// all vars are set
os.Setenv("AWS_MAX_ATTEMPTS", "800")
os.Setenv("AWS_TIMEOUT_SECONDS", "20")
os.Setenv("AWS_POLL_DELAY_SECONDS", "1")
options = getWaiterOptions()
expected := []request.WaiterOption{
request.WithWaiterDelay(request.ConstantWaiterDelay(time.Duration(1) * time.Second)),
request.WithWaiterMaxAttempts(800),
}
if !reflect.DeepEqual(options, expected) {
t.Fatalf("expected != actual!! Expected: %#v; Actual: %#v.", expected, options)
}
clearEnvVars()
// poll delay is not set
os.Setenv("AWS_MAX_ATTEMPTS", "800")
options = getWaiterOptions()
expected = []request.WaiterOption{
request.WithWaiterMaxAttempts(800),
}
if !reflect.DeepEqual(options, expected) {
t.Fatalf("expected != actual!! Expected: %#v; Actual: %#v.", expected, options)
}
clearEnvVars()
// poll delay is not set but timeout seconds is
os.Setenv("AWS_TIMEOUT_SECONDS", "20")
options = getWaiterOptions()
expected = []request.WaiterOption{
request.WithWaiterDelay(request.ConstantWaiterDelay(time.Duration(2) * time.Second)),
request.WithWaiterMaxAttempts(10),
}
if !reflect.DeepEqual(options, expected) {
t.Fatalf("expected != actual!! Expected: %#v; Actual: %#v.", expected, options)
}
clearEnvVars()
}