internal/arch/file/expect/have_content_matching_regex.go
package expect
import (
"bytes"
"fmt"
"os"
"path/filepath"
"regexp"
"github.com/omissis/goarkitect/internal/arch/rule"
)
func HaveContentMatchingRegex(regex string, opts ...Option) *haveContentMatchingRegex {
expr := &haveContentMatchingRegex{
regex: regex,
}
expr.applyOptions(opts)
return expr
}
type haveContentMatchingRegex struct {
baseExpression
regex string
}
func (e haveContentMatchingRegex) Evaluate(rb rule.Builder) []rule.CoreViolation {
return e.evaluate(rb, e.doEvaluate, e.getViolation)
}
func (e haveContentMatchingRegex) doEvaluate(rb rule.Builder, filePath string) bool {
data, err := os.ReadFile(filePath)
if err != nil {
rb.AddError(err)
return true
}
rx := regexp.MustCompile(e.regex)
if e.options.ignoreNewLinesAtTheEndOfFile {
data = bytes.TrimRight(data, "\n")
}
if e.options.ignoreCase {
data = bytes.ToLower(data)
}
if e.options.matchSingleLines {
linesData := bytes.Split(data, []byte(e.options.matchSingleLinesSeparator))
for _, ld := range linesData {
if !rx.Match(ld) {
return true
}
}
}
return !rx.Match(data)
}
func (e haveContentMatchingRegex) getViolation(filePath string) rule.CoreViolation {
format := "file '%s' does not have content matching regex '%s'"
if e.options.matchSingleLines {
format = "file '%s' does not have all lines matching regex '%s'"
}
if e.options.negated {
format = "file '%s' does have content matching regex '%s'"
}
if e.options.negated && e.options.matchSingleLines {
format = "file '%s' does have all lines matching regex '%s'"
}
return rule.NewCoreViolation(
fmt.Sprintf(format, filepath.Base(filePath), e.regex),
)
}