assert.go

// Copyright 2015-present, Cyrill @ Schumacher.fm and the CoreStore contributors
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package cstesting

import (
	"strings"
)

// ErrorFormater defines the function needed to print out an formatted error.
type errorFormatter interface {
	Errorf(format string, args ...interface{})
}

// ContainsCount checks if str contains the substring contains maxOccurrences
// times.
func ContainsCount(t errorFormatter, str, contains string, maxOccurrences int) {
	if have, want := strings.Count(str, contains), maxOccurrences; have != want {
		t.Errorf("%q should contain %q times %d Have: %v Want: %v", str, contains, maxOccurrences, have, want)
	}
}