import unittest

from tap.directive import Directive
from tap.line import Line, Result


class TestLine(unittest.TestCase):
    """Tests for tap.line.Line"""

    def test_line_requires_category(self):
        line = Line()
        with self.assertRaises(NotImplementedError):
            line.category


class TestResult(unittest.TestCase):
    """Tests for tap.line.Result"""

    def test_category(self):
        result = Result(True)
        self.assertEqual("test", result.category)

    def test_ok(self):
        result = Result(True)
        self.assertTrue(result.ok)

    def test_str_ok(self):
        result = Result(True, 42, "passing")
        self.assertEqual("ok 42 passing", str(result))

    def test_str_not_ok(self):
        result = Result(False, 43, "failing")
        self.assertEqual("not ok 43 failing", str(result))

    def test_str_directive(self):
        directive = Directive("SKIP a reason")
        result = Result(True, 44, "passing", directive)
        self.assertEqual("ok 44 passing # SKIP a reason", str(result))

    def test_str_diagnostics(self):
        result = Result(False, 43, "failing", diagnostics="# more info")
        self.assertEqual("not ok 43 failing\n# more info", str(result))