Function TestTemplateExprIsStringLiteral

hclsyntax/expression_template_test.go:463–502

(t *testing.T)

}

func TestTemplateExprIsStringLiteral(t *testing.T) {
	tests := map[string]bool{
		// A simple string value is a string literal
		"a": true,

		// Strings containing escape characters or escape sequences are
		// tokenized into multiple string literals, but this should be
		// corrected by the parser
		"a$b":        true,
		"a%%b":       true,
		"a\nb":       true,
		"a$${\"b\"}": true,

		// Wrapped values (HIL-like) are not treated as string literals for
		// legacy reasons
		"${1}":     false,
		"${\"b\"}": false,

		// Even template expressions containing only literal values do not
		// count as string literals
		"a${1}":     false,
		"a${\"b\"}": false,
	}
	for input, want := range tests {
		t.Run(input, func(t *testing.T) {
			expr, diags := ParseTemplate([]byte(input), "", hcl.InitialPos)
			if len(diags) != 0 {
				t.Fatalf("unexpected diags: %s", diags.Error())
			}

			if tmplExpr, ok := expr.(*TemplateExpr); ok {
				got := tmplExpr.IsStringLiteral()

				if got != want {
					t.Errorf("wrong result\ngot:  %#v\nwant: %#v", got, want)
				}
			}
		})
	}
}