github.com/zntrio/harp/v2@v2.0.9/pkg/bundle/patch/reader_test.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package patch
    19  
    20  import (
    21  	"fmt"
    22  	"io"
    23  	"os"
    24  	"path/filepath"
    25  	"testing"
    26  )
    27  
    28  func mustLoad(filePath string) io.Reader {
    29  	f, err := os.Open(filePath)
    30  	if err != nil {
    31  		panic(err)
    32  	}
    33  	return f
    34  }
    35  
    36  type readerTestCase struct {
    37  	name    string
    38  	args    io.Reader
    39  	wantErr bool
    40  }
    41  
    42  //nolint:unparam // rootPath has always the same value for the moment
    43  func generateReaderTests(t *testing.T, rootPath, state string, wantErr bool) []readerTestCase {
    44  	tests := []readerTestCase{}
    45  	// Generate invalid test cases
    46  	if err := filepath.Walk(filepath.Join(rootPath, state), func(path string, info os.FileInfo, errWalk error) error {
    47  		if errWalk != nil {
    48  			return errWalk
    49  		}
    50  		if info.IsDir() {
    51  			return nil
    52  		}
    53  		if filepath.Ext(path) != ".yaml" {
    54  			return nil
    55  		}
    56  
    57  		tests = append(tests, readerTestCase{
    58  			name:    fmt.Sprintf("%s-%s", state, filepath.Base(info.Name())),
    59  			args:    mustLoad(path),
    60  			wantErr: wantErr,
    61  		})
    62  		return nil
    63  	}); err != nil {
    64  		t.Fatal(err)
    65  	}
    66  
    67  	return tests
    68  }
    69  
    70  func TestYAML(t *testing.T) {
    71  	tests := []readerTestCase{
    72  		{
    73  			name:    "nil",
    74  			wantErr: true,
    75  		},
    76  	}
    77  
    78  	// Generate invalid test cases
    79  	tests = append(tests, generateReaderTests(t, "../../../test/fixtures/patch", "invalid", true)...)
    80  
    81  	// Generate valid test cases
    82  	tests = append(tests, generateReaderTests(t, "../../../test/fixtures/patch", "valid", false)...)
    83  
    84  	// Execute them
    85  	for _, tt := range tests {
    86  		t.Run(tt.name, func(t *testing.T) {
    87  			_, err := YAML(tt.args)
    88  			if (err != nil) != tt.wantErr {
    89  				t.Errorf("YAML() error = %v, wantErr %v", err, tt.wantErr)
    90  				return
    91  			}
    92  		})
    93  	}
    94  }