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error.go
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error.go
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// Copyright 2016-2018 Stratumn SAS. All rights reserved.
//
// 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 testutil
import (
"strings"
"testing"
"github.com/stratumn/go-core/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// AssertWrappedErrorEqual checks that the innermost error equals the given
// expected error.
func AssertWrappedErrorEqual(t *testing.T, err error, expected error) {
require.NotNil(t, err)
require.IsType(t, &types.Error{}, err)
structErr := err.(*types.Error)
inner := error(structErr)
for {
structInner, ok := inner.(*types.Error)
if !ok {
break
}
if structInner.Wrapped == nil {
break
}
inner = structInner.Wrapped
}
assert.EqualError(t, inner, expected.Error())
}
// AssertErrorContains checks that the error contains a given sub-error.
func AssertErrorContains(t *testing.T, err error, expected error) {
i := strings.Index(err.Error(), expected.Error())
assert.Truef(t, i > 0, "'%s' should contain '%s'", err.Error(), expected.Error())
}