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yaml.go
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yaml.go
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package require
// TODO(a.gurinov): Deal with msgAndArgs vs (msg, args...)
import (
"errors"
"io"
"os"
"strings"
"testing"
"github.com/stretchr/testify/require"
"gopkg.in/yaml.v3"
)
// TODO(a.gurinov): Deal with messages below instead of msgAndArgs...
// "actual content of YAML document doesn't match expected one; i: %d; %s", i, userMsg,
// "unexpected error while decoding YAML document; file: %s; i: %d; %s",
func YAMLEq(t *testing.T, expected string, actual string, msgAndArgs ...any) {
t.Helper()
expectedDocuments := decodeYAMLDocuments(t, expected, msgAndArgs...)
actualDocuments := decodeYAMLDocuments(t, actual, msgAndArgs...)
require.Equal(
t,
len(expectedDocuments),
len(actualDocuments),
"expected and actual number of decoded YAML documents differ",
)
for i := 0; i < len(expectedDocuments); i++ {
require.Equal(t, yaml.DocumentNode, expectedDocuments[i])
require.Equal(t, yaml.DocumentNode, actualDocuments[i])
require.Equal(
t,
expectedDocuments[i],
actualDocuments[i],
msgAndArgs...,
)
}
}
func YAMLFilesEq(t *testing.T, expectedFilepath string, actualFilepath string, msgAndArgs ...any) {
t.Helper()
expectedBytes, expectedErr := os.ReadFile(expectedFilepath)
require.NoError(t, expectedErr, msgAndArgs...)
actualBytes, actualErr := os.ReadFile(actualFilepath)
require.NoError(t, actualErr, msgAndArgs...)
YAMLEq(
t,
string(expectedBytes),
string(actualBytes),
msgAndArgs...,
)
}
func decodeYAMLDocuments(t *testing.T, content string, msgAndArgs ...any) []yaml.Node {
t.Helper()
var (
doc yaml.Node
docs []yaml.Node
decoder = yaml.NewDecoder(strings.NewReader(content))
)
for i := 0; ; i++ {
err := decoder.Decode(&doc)
if errors.Is(err, io.EOF) {
break
}
require.NoError(t, err, msgAndArgs...)
docs = append(docs, doc)
}
return docs
}