github.com/GoogleContainerTools/kpt@v1.0.0-beta.50.0.20240520170205-c25345ffcbee/pkg/printer/fake/fake.go (about)

     1  // Copyright 2021 The kpt Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fake
    16  
    17  import (
    18  	"context"
    19  	"io"
    20  
    21  	"github.com/GoogleContainerTools/kpt/internal/pkg"
    22  	"github.com/GoogleContainerTools/kpt/pkg/printer"
    23  )
    24  
    25  // Printer implements the printer.Printer interface and just ignores
    26  // all print calls.
    27  type Printer struct {
    28  	outStream io.Writer
    29  	errStream io.Writer
    30  }
    31  
    32  func (np *Printer) PrintPackage(*pkg.Pkg, bool) {}
    33  
    34  func (np *Printer) OptPrintf(*printer.Options, string, ...interface{}) {}
    35  
    36  func (np *Printer) Printf(string, ...interface{}) {}
    37  
    38  func (np *Printer) OutStream() io.Writer { return np.outStream }
    39  
    40  func (np *Printer) ErrStream() io.Writer { return np.errStream }
    41  
    42  // CtxWithDefaultPrinter returns a new context with the printer which has os streams
    43  func CtxWithDefaultPrinter() context.Context {
    44  	return CtxWithPrinter(io.Discard, io.Discard)
    45  }
    46  
    47  // CtxWithPrinter returns a new context with Printer added.
    48  func CtxWithPrinter(outStream, errStream io.Writer) context.Context {
    49  	ctx := context.Background()
    50  	return printer.WithContext(ctx, printer.New(outStream, errStream))
    51  }