// Copyright (C) MongoDB, Inc. 2014-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

package util

import (
	"testing"

	"github.com/mongodb/mongo-tools/common/testtype"
	. "github.com/smartystreets/goconvey/convey"
)

func TestFormatDate(t *testing.T) {
	testtype.SkipUnlessTestType(t, testtype.UnitTestType)

	Convey("will take valid format 2006-01-02T15:04:05.000Z", t, func() {
		_, err := FormatDate("2014-01-02T15:04:05.000Z")
		So(err, ShouldBeNil)
	})

	Convey("will take valid format 2006-01-02T15:04:05Z", t, func() {
		_, err := FormatDate("2014-03-02T15:05:05Z")
		So(err, ShouldBeNil)
	})

	Convey("will take valid format 2006-01-02T15:04Z", t, func() {
		_, err := FormatDate("2014-04-02T15:04Z")
		So(err, ShouldBeNil)
	})

	Convey("will take valid format 2006-01-02T15:04-0700", t, func() {
		_, err := FormatDate("2014-04-02T15:04-0800")
		So(err, ShouldBeNil)
	})

	Convey("will take valid format 2006-01-02T15:04:05.000-0700", t, func() {
		_, err := FormatDate("2014-04-02T15:04:05.000-0600")
		So(err, ShouldBeNil)
	})

	Convey("will take valid format 2006-01-02T15:04:05-0700", t, func() {
		_, err := FormatDate("2014-04-02T15:04:05-0500")
		So(err, ShouldBeNil)
	})

	Convey("will return an error for an invalid format", t, func() {
		_, err := FormatDate("invalid string format")
		So(err, ShouldNotBeNil)
	})

}
