50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package contract
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import (
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"fmt"
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)
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const assertMsg = "An assertion has failed"
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// Assert checks a condition and Fails if it is false.
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func Assert(cond bool) {
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if !cond {
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failfast(assertMsg)
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}
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}
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// Assertf checks a condition and Failfs if it is false, formatting and logging the given message.
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func Assertf(cond bool, msg string, args ...interface{}) {
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if !cond {
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failfast(fmt.Sprintf("%v: %v", assertMsg, fmt.Sprintf(msg, args...)))
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}
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}
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// AssertNoError will Fail if the error is non-nil.
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func AssertNoError(err error) {
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if err != nil {
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failfast(err.Error())
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}
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}
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// AssertNoErrorf will Fail if the error is non-nil, adding the additional log message.
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func AssertNoErrorf(err error, msg string, args ...interface{}) {
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if err != nil {
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failfast(fmt.Sprintf("error %v: %v. source error: %v", assertMsg, fmt.Sprintf(msg, args...), err))
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}
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}
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