test: refactor login template test to use substring checks

templates/snapshot_test.go

@@ -2,12 +2,11 @@ package templates
 
 import (
 	"bytes"
-	"regexp"
 	"strings"
 	"testing"
 )
 
-func TestLoginTemplateTextSnapshot(t *testing.T) {
+func TestLoginTemplateShowsCoreCopy(t *testing.T) {
 	r, err := ProvideRenderer()
 	if err != nil {
 		t.Fatalf("ProvideRenderer: %v", err)
@@ -18,25 +17,15 @@ func TestLoginTemplateTextSnapshot(t *testing.T) {
 		t.Fatalf("ExecuteFragment: %v", err)
 	}
 
-	got := visibleTextSnapshot(buf.String())
+	body := buf.String()
-	const want = "Sign in to your account\nEmail address\nPassword\nSign In"
+	for _, want := range []string{
-	if got != want {
+		"Sign in to your account",
-		t.Fatalf("login text snapshot mismatch\n got: %q\nwant: %q", got, want)
+		"Email address",
+		"Password",
+		"Sign In",
+	} {
+		if !strings.Contains(body, want) {
+			t.Fatalf("login template missing %q in output:\n%s", want, body)
+		}
 	}
 }
-
-func visibleTextSnapshot(html string) string {
-	tags := regexp.MustCompile(`<[^>]+>`)
-	spaces := regexp.MustCompile(`[ \t]+`)
-	blankLines := regexp.MustCompile(`\n+`)
-
-	text := tags.ReplaceAllString(html, "\n")
-	text = spaces.ReplaceAllString(text, " ")
-	lines := strings.Split(text, "\n")
-	for i, line := range lines {
-		lines[i] = strings.TrimSpace(line)
-	}
-	text = strings.Join(lines, "\n")
-	text = blankLines.ReplaceAllString(text, "\n")
-	return strings.TrimSpace(text)
-}