ecal/util/error_test.go

/*
 * ECAL
 *
 * Copyright 2020 Matthias Ladkau. All rights reserved.
 *
 * This Source Code Form is subject to the terms of the MIT
 * License, If a copy of the MIT License was not distributed with this
 * file, You can obtain one at https://opensource.org/licenses/MIT.
 */

package util

import (
	"fmt"
	"strings"
	"testing"

	"devt.de/krotik/ecal/parser"
)

func TestRuntimeError(t *testing.T) {

	ast, _ := parser.Parse("foo", "a")

	err1 := NewRuntimeError("foo", fmt.Errorf("foo"), "bar", ast)

	if err1.Error() != "ECAL error in foo: foo (bar) (Line:1 Pos:1)" {
		t.Error("Unexpected result:", err1)
		return
	}

	ast.Token = nil

	err2 := NewRuntimeError("foo", fmt.Errorf("foo"), "bar", ast)

	if err2.Error() != "ECAL error in foo: foo (bar)" {
		t.Error("Unexpected result:", err2)
		return
	}

	ast, _ = parser.Parse("foo", "a:=1")
	err3 := NewRuntimeError("foo", fmt.Errorf("foo"), "bar", ast)

	ast, _ = parser.Parse("bar1", "print(b)")
	err3.(TraceableRuntimeError).AddTrace(ast)
	ast, _ = parser.Parse("bar2", "raise(c)")
	err3.(TraceableRuntimeError).AddTrace(ast)
	ast, _ = parser.Parse("bar3", "1 + d")
	err3.(TraceableRuntimeError).AddTrace(ast)

	trace := strings.Join(err3.(TraceableRuntimeError).GetTraceString(), "\n")

	if trace != `print(b) (bar1:1)
raise(c) (bar2:1)
1 + d (bar3:1)` {
		t.Error("Unexpected result:", trace)
		return
	}
}