Function TestScriptTemplateHelperFunctions

txscript/template_test.go:273–344

TestScriptTemplateHelperFunctions tests the helper functions used in templates.

(t *testing.T)

// TestScriptTemplateHelperFunctions tests the helper functions used in
// templates.
func TestScriptTemplateHelperFunctions(t *testing.T) {
	t.Run("rangeIter", func(t *testing.T) {
		result := rangeIter(2, 5)
		expected := []int{2, 3, 4}

		require.Equal(
			t, expected, result,
			"rangeIter(2, 5) returned unexpected result",
		)
	})

	t.Run("hexEncode", func(t *testing.T) {
		input := []byte{0x12, 0x34, 0x56}
		result := hexEncode(input)
		expected := "0x123456"

		require.Equal(
			t, expected, result,
			"hexEncode(%v) = %q, want %q",
			input, result, expected,
		)
	})

	t.Run("hexStr", func(t *testing.T) {
		input := []byte{0x12, 0x34, 0x56}
		result := hexStr(input)
		expected := "123456"

		require.Equal(
			t, expected, result,
			"hexStr(%v) = %q, want %q",
			input, result, expected,
		)
	})

	t.Run("hexDecode", func(t *testing.T) {
		tests := []struct {
			input    string
			expected []byte
			wantErr  bool
		}{
			{"123456", []byte{0x12, 0x34, 0x56}, false},
			{"0x123456", []byte{0x12, 0x34, 0x56}, false},
			{"zz", nil, true},
		}

		for _, test := range tests {
			result, err := hexDecode(test.input)

			if test.wantErr {
				require.Error(
					t, err,
					"hexDecode(%q) expected error, got nil",
					test.input,
				)
				continue
			}