/
descriptor.go
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/
descriptor.go
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// Copyright 2018 Istio Authors
//
// 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 component
import "fmt"
var _ Requirement = &Descriptor{}
// Variant allows an environment to support multiple components with the same ID. For example, an environment might
// support two Widget components: "fake widget" and "real widget".
type Variant string
// Descriptor describes a component of the testing framework.
type Descriptor struct {
ID
IsSystemComponent bool
Variant Variant
Requires []Requirement
}
// FriendlyName provides a brief one-liner containing ID and Variant. Useful for error messages.
func (d Descriptor) FriendlyName() string {
if d.Variant != "" {
return fmt.Sprintf("%s(%s)", d.ID, d.Variant)
}
return string(d.ID)
}
func (d *Descriptor) String() string {
result := ""
result += fmt.Sprintf("ID: %v\n", d.ID)
result += fmt.Sprintf("IsSystemComponent: %t\n", d.IsSystemComponent)
result += fmt.Sprintf("Variant: %s\n", d.Variant)
result += fmt.Sprintf("Requires: %v\n", d.Requires)
return result
}