Function TestScriptTemplateOptions

txscript/template_test.go:226–269

TestScriptTemplateOptions tests the ScriptTemplate option functions.

(t *testing.T)

// TestScriptTemplateOptions tests the ScriptTemplate option functions.
func TestScriptTemplateOptions(t *testing.T) {
	t.Run("WithScriptTemplateParams", func(t *testing.T) {
		template := "{{ .Value }} OP_DROP"
		params := map[string]interface{}{
			"Value": 42,
		}

		script, err := ScriptTemplate(
			template, WithScriptTemplateParams(params),
		)
		require.NoError(t, err, "unexpected error")

		disasm, err := DisasmString(script)
		require.NoError(t, err, "Failed to disassemble script")

		expected := "2a OP_DROP"
		require.Equal(
			t, expected, disasm,
			"ScriptTemplate(%q):\ngot:  %s\nwant: %s",
			template, disasm, expected,
		)
	})

	t.Run("WithCustomTemplateFunc", func(t *testing.T) {
		template := "{{ multiply 6 7 }} OP_DROP"
		script, err := ScriptTemplate(
			template,
			WithCustomTemplateFunc("multiply", func(a, b int) int {
				return a * b
			}),
		)
		require.NoError(t, err, "Unexpected error")

		disasm, err := DisasmString(script)
		require.NoError(t, err, "Failed to disassemble script")

		expected := "2a OP_DROP"
		require.Equal(
			t, expected, disasm,
			"ScriptTemplate(%q):\ngot:  %s\nwant: %s",
			template, disasm, expected,
		)
	})
}

// TestScriptTemplateHelperFunctions tests the helper functions used in
// templates.