prompt_test.go

Documentation: github.com/sigstore/cosign/v2/internal/ui

     1  // Copyright 2023 The Sigstore 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  package ui_test
    15  
    16  import (
    17  	"bytes"
    18  	"context"
    19  	"errors"
    20  	"testing"
    21  
    22  	"github.com/sigstore/cosign/v2/internal/ui"
    23  	"github.com/stretchr/testify/assert"
    24  )
    25  
    26  func TestConfirm(t *testing.T) {
    27  	cases := []struct {
    28  		name            string
    29  		input           string
    30  		expected        error
    31  		expectedMessage string
    32  	}{
    33  		{"no", "n\n", &ui.ErrPromptDeclined{}, "user declined"},
    34  		{"no-upper", "N\n", &ui.ErrPromptDeclined{}, "user declined"},
    35  		{"yes", "y\n", nil, ""},
    36  		{"yes-upper", "Y\n", nil, ""},
    37  		{"default", "\n", &ui.ErrPromptDeclined{}, "user declined"},
    38  		{"empty", "", &ui.ErrPromptDeclined{}, "user declined"},
    39  		{"invalid", "yy", &ui.ErrInvalidInput{Got: "yy", Allowed: "y, n"}, "invalid input"},
    40  		{"no-windows", "n\r\n", &ui.ErrPromptDeclined{}, "user declined"},
    41  		{"yes-windows", "y\r\n", nil, ""},
    42  		{"default-windows", "\r\n", &ui.ErrPromptDeclined{}, "user declined"},
    43  		{"invalid", "yy\r\n", &ui.ErrInvalidInput{Got: "yy", Allowed: "y, n"}, "invalid input"},
    44  	}
    45  	for _, tc := range cases {
    46  		t.Run(tc.name, func(t *testing.T) {
    47  			stderr := ui.RunWithTestCtx(func(ctx context.Context, write ui.WriteFunc) {
    48  				write(tc.input)
    49  				err := ui.ConfirmContinue(ctx)
    50  				assert.EqualValues(t, tc.expected, err)
    51  				if len(tc.expectedMessage) > 0 {
    52  					assert.ErrorContains(t, err, "")
    53  				}
    54  			})
    55  			assert.Equal(t, "Are you sure you would like to continue? [y/N] ", stderr, "Bad output to STDERR")
    56  		})
    57  	}
    58  }
    59  
    60  type BadReader struct{}
    61  
    62  // BadReader implements Reader.
    63  func (b *BadReader) Read(p []byte) (n int, err error) { //nolint: revive
    64  	return 0, errors.New("my error")
    65  }
    66  
    67  func TestConfirmError(t *testing.T) {
    68  	var stderr bytes.Buffer
    69  	stdin := BadReader{}
    70  	ctx := ui.WithEnv(context.Background(), &ui.Env{&stderr, &stdin})
    71  	assert.ErrorContains(t, ui.ConfirmContinue(ctx), "my error")
    72  }
    73
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