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#!/usr/bin/env python
# -*- coding: utf-8 -*-

import datetime
import lxml.etree
import os
test_path = os.path.abspath(__file__)
test_dir_path = os.path.dirname(test_path) + os.sep

from django.conf import settings
from django.core.urlresolvers import reverse
from django.test import TestCase

from chimere.models import Area, Icon, Importer, Category, SubCategory, Marker,\
                           Route
from chimere.utils import ShapefileManager

def area_setup():
    area_1 = Area.objects.create(name='area 1', order=1, available=True,
                upper_left_corner='SRID=4326;POINT(-4.907753 48.507656)',
                lower_right_corner='SRID=4326;POINT(-4.049447 48.279688)')
    return area_1

def subcategory_setup():
    category = Category.objects.create(name='Main category',
                        available=True,
                        order=1,
                        description='')

    icon = Icon.objects.create(name='Default icon',
                               image='icons/marker.png',
                               height=25,
                               width=21)

    subcategory_1 = SubCategory.objects.create(category=category,
                        name='Subcategory 1',
                        available=True,
                        icon=icon,
                        order=1,
                        item_type='M',)

    subcategory_2 = SubCategory.objects.create(category=category,
                        name='Subcategory 2',
                        available=True,
                        icon=icon,
                        order=1,
                        item_type='M',)
    return [subcategory_1, subcategory_2]

def marker_setup(sub_categories=[]):
    if not sub_categories:
        sub_categories = subcategory_setup()
    current_date = datetime.datetime.now()
    markers = []
    marker_1 = Marker.objects.create(name="Marker 1", status='A',
                                     point='SRID=4326;POINT(-4.5 48.4)',
                                     available_date=current_date)
    marker_1.categories.add(sub_categories[0])
    markers.append(marker_1)
    marker_2 = Marker.objects.create(name="Marker 2", status='A',
                                     point='SRID=4326;POINT(-3.5 48.4)',
                                     available_date=current_date)
    marker_2.categories.add(sub_categories[1])
    markers.append(marker_2)
    marker_3 = Marker.objects.create(name="Marker 3", status='A',
                      point='SRID=4326;POINT(-4.5 48.45)',
                      available_date=current_date - datetime.timedelta(days=60))
    marker_3.categories.add(sub_categories[1])
    markers.append(marker_3)
    return markers

class ImporterTest:
    def test_get(self):
        nb_by_cat = {}
        for importer, awaited_nb in self.marker_importers:
            nb, nb_updated, res = importer.manager.get()
            if awaited_nb == None:
                continue
            self.assertEqual(nb, awaited_nb)
            self.assertEqual(nb_updated, 0)
            for cat in importer.categories.all():
                if cat not in nb_by_cat:
                    nb_by_cat[cat] = 0
                nb_by_cat[cat] += nb
        for cat in nb_by_cat:
            nb = max([Marker.objects.filter(categories__pk=cat.pk).count(),
                      Route.objects.filter(categories__pk=cat.pk).count()])
            self.assertEqual(nb_by_cat[cat], nb)

        # update
        for importer, awaited_nb in self.marker_importers:
            nb, nb_updated, res = importer.manager.get()
            if awaited_nb == None:
                continue
            self.assertEqual(nb, 0)

class KMLImporterTest(TestCase, ImporterTest):
    def setUp(self):
        subcategory_1, subcategory_2 = subcategory_setup()
        importer1 = Importer.objects.create(importer_type='KML',
            source=test_dir_path+'tests/sample.kml',
            filtr="Category 1")
        importer1.categories.add(subcategory_1)

        importer2 = Importer.objects.create(importer_type='KML',
         source=test_dir_path+'tests/sample.kml',
         filtr="Subcategory 1")
        importer2.categories.add(subcategory_1)
        importer2.categories.add(subcategory_2)

        importer3 = Importer.objects.create(importer_type='KML',
         source=test_path+'tests/sample.kml',
         filtr="Subcategory 3")
        importer3.categories.add(subcategory_2)

        importer4 = Importer.objects.create(importer_type='KML',
         source=test_dir_path+'tests/sample.kml.zip', zipped=True)
        importer4.categories.add(subcategory_1)

        self.marker_importers = [(importer1, 1), (importer2, 2), (importer3, 0),
                                 (importer4, 4)]

class ShapefileImporterTest(TestCase, ImporterTest):
    def setUp(self):
        subcategory_1, subcategory_2 = subcategory_setup()
        importer = Importer.objects.create(importer_type='SHP',
            source=test_dir_path+'tests/sample_nodes.shp.zip', zipped=True)
        importer.categories.add(subcategory_1)
        importer2 = Importer.objects.create(importer_type='SHP',
            source=test_dir_path+'tests/sample_ways.shp.zip',
            zipped=True)
        importer2.categories.add(subcategory_2)

        self.marker_importers = [(importer, 29),
                                 (importer2, 5),]
        self.markers = marker_setup()

    def test_export(self):
        filename, zip_stream = ShapefileManager.export(Marker.objects.all())

class OSMImporterTest(TestCase, ImporterTest):
    def setUp(self):
        subcategory_1, subcategory_2 = subcategory_setup()
        markers = marker_setup()
        importer1 = Importer.objects.create(importer_type='OSM',
            source=test_dir_path+'tests/sample_nodes.osm')
        importer1.categories.add(subcategory_1)

        importer2 = Importer.objects.create(importer_type='OSM',
            source=test_dir_path+'tests/sample_ways.osm')
        importer2.categories.add(subcategory_2)

        self.marker_importers = [(importer1, 19), (importer2, 8)]

class FeedsTest(TestCase):
    def setUp(self):
        self.area = area_setup()
        self.markers = marker_setup()

    def test_rss(self):
        # global
        url = reverse('chimere:feeds-global')
        response = self.client.get(url)
        self.assertEqual(200, response.status_code)
        doc = lxml.etree.fromstring(response.content)
        self.assertEqual(int(doc.xpath('count(//item)')), len(self.markers))