From b594ff78b22452b1260286f86fc5a40dbf3d38d9 Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Tue, 16 Apr 2024 07:38:23 +0200
Subject: Improve shell quoting

---
 acid_test.go | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 acid_test.go

(limited to 'acid_test.go')

diff --git a/acid_test.go b/acid_test.go
new file mode 100644
index 0000000..f23d892
--- /dev/null
+++ b/acid_test.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"bytes"
+	"testing"
+	ttemplate "text/template"
+)
+
+func TestTemplateQuote(t *testing.T) {
+	// Ideally, we should back-parse it using sh syntax.
+	// This is an unnecessarily fragile test.
+	for _, test := range []struct {
+		input, output string
+	}{
+		{`!!`, `'!!'`},
+		{``, `""`},
+		{`${var}`, `"\${var}"`},
+		{"`cat`", "\"\\`cat\\`\""},
+		{`"魚\"`, `"\"魚\\\""`},
+	} {
+		var b bytes.Buffer
+		err := ttemplate.Must(ttemplate.New("test").
+			Funcs(shellFuncs).Parse("{{quote .}}")).Execute(&b, test.input)
+		if err != nil {
+			t.Errorf("template execution error: %s\n", err)
+		}
+		if b.String() != test.output {
+			t.Errorf("%q should be quoted os %q, not %q\n",
+				test.input, test.output, b.String())
+		}
+	}
+}
-- 
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