expr/t_builtin-os-file_test.go

// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
// All rights reserved.

// t_builtin-os-file_test.go
package expr

import (
	"errors"
	"testing"
)

func TestFuncOs(t *testing.T) {
	section := "Builtin-OS-File"
	inputs := []inputType{
		/*   1 */ {`builtin "os.file"`, int64(1), nil},
		/*   2 */ {`builtin "os.file"; handle=fileOpen("/etc/hosts"); fileClose(handle)`, true, nil},
		/*   3 */ {`builtin "os.file"; handle=fileOpen("/etc/hostsX")`, nil, errors.New(`open /etc/hostsX: no such file or directory`)},
		/*   4 */ {`builtin "os.file"; handle=fileCreate("/tmp/dummy"); fileClose(handle)`, true, nil},
		/*   5 */ {`builtin "os.file"; handle=fileAppend("/tmp/dummy"); fileWriteText(handle, "bye-bye"); fileClose(handle)`, true, nil},
		/*   6 */ {`builtin "os.file"; handle=fileOpen("/tmp/dummy"); word=fileReadText(handle, "-"); fileClose(handle);word`, "bye", nil},
		/*   7 */ {`builtin "os.file"; word=fileReadText(nil, "-")`, nil, errors.New(`fileReadText(): invalid file handle`)},
		/*   8 */ {`builtin "os.file"; fileWriteText(nil, "bye")`, nil, errors.New(`fileWriteText(): invalid file handle`)},
		/*   9 */ {`builtin "os.file"; handle=fileOpen()`, nil, errors.New(`fileOpen(): too few params -- expected 1, got 0`)},
	}

	// t.Setenv("EXPR_PATH", ".")

	// parserTestSpec(t, section, inputs, 69)
	runTestSuite(t, section, inputs)
}