"""
Tests for paver xsslint quality tasks
"""
from unittest.mock import patch

import pytest
from paver.easy import call_task

import pavelib.quality

from .utils import PaverTestCase


class PaverXSSLintTest(PaverTestCase):
    """
    Test run_xsslint with a mocked environment in order to pass in opts
    """

    def setUp(self):
        super().setUp()
        self.reset_task_messages()

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_violation_number_not_found(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint encounters an error parsing the xsslint output log
        """
        _mock_counts.return_value = {}
        with pytest.raises(SystemExit):
            call_task('pavelib.quality.run_xsslint')

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_vanilla(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint finds violations, but a limit was not set
        """
        _mock_counts.return_value = {'total': 0}
        call_task('pavelib.quality.run_xsslint')

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_invalid_thresholds_option(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint fails when thresholds option is poorly formatted
        """
        _mock_counts.return_value = {'total': 0}
        with pytest.raises(SystemExit):
            call_task('pavelib.quality.run_xsslint', options={"thresholds": "invalid"})

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_invalid_thresholds_option_key(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint fails when thresholds option is poorly formatted
        """
        _mock_counts.return_value = {'total': 0}
        with pytest.raises(SystemExit):
            call_task('pavelib.quality.run_xsslint', options={"thresholds": '{"invalid": 3}'})

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_too_many_violations(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint finds more violations than are allowed
        """
        _mock_counts.return_value = {'total': 4}
        with pytest.raises(SystemExit):
            call_task('pavelib.quality.run_xsslint', options={"thresholds": '{"total": 3}'})

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_under_limit(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint finds fewer violations than are allowed
        """
        _mock_counts.return_value = {'total': 4}
        # No System Exit is expected
        call_task('pavelib.quality.run_xsslint', options={"thresholds": '{"total": 5}'})

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_rule_violation_number_not_found(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint encounters an error parsing the xsslint output log for a
        given rule threshold that was set.
        """
        _mock_counts.return_value = {'total': 4}
        with pytest.raises(SystemExit):
            call_task('pavelib.quality.run_xsslint', options={"thresholds": '{"rules": {"javascript-escape": 3}}'})

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_too_many_rule_violations(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint finds more rule violations than are allowed
        """
        _mock_counts.return_value = {'total': 4, 'rules': {'javascript-escape': 4}}
        with pytest.raises(SystemExit):
            call_task('pavelib.quality.run_xsslint', options={"thresholds": '{"rules": {"javascript-escape": 3}}'})

    @patch.object(pavelib.quality, '_write_metric')
    @patch.object(pavelib.quality, '_prepare_report_dir')
    @patch.object(pavelib.quality, '_get_xsslint_counts')
    def test_xsslint_under_rule_limit(self, _mock_counts, _mock_report_dir, _mock_write_metric):
        """
        run_xsslint finds fewer rule violations than are allowed
        """
        _mock_counts.return_value = {'total': 4, 'rules': {'javascript-escape': 4}}
        # No System Exit is expected
        call_task('pavelib.quality.run_xsslint', options={"thresholds": '{"rules": {"javascript-escape": 5}}'})