# coding=utf8

import os

from nose.tools import eq_

import mapnik

from .utilities import execution_path, run_all

def setup():

# All of the paths used are relative, if we run the tests

# from another directory we need to chdir()

os.chdir(execution_path('.'))

if 'shape' in mapnik.DatasourceCache.plugin_names():

#@raises(RuntimeError)

def test_zoom_all_will_fail():

m = mapnik.Map(512, 512)

mapnik.load_map(m, '../data/good_maps/wgs842merc_reprojection.xml')

m.zoom_all()

def test_zoom_all_will_work_with_max_extent():

m = mapnik.Map(512, 512)

mapnik.load_map(m, '../data/good_maps/wgs842merc_reprojection.xml')

merc_bounds = mapnik.Box2d(-20037508.34, -

20037508.34, 20037508.34, 20037508.34)

m.maximum_extent = merc_bounds

m.zoom_all()

# note - fixAspectRatio is being called, then re-clipping to maxextent

# which makes this hard to predict

# eq_(m.envelope(),merc_bounds)

#m = mapnik.Map(512,512)

# mapnik.load_map(m,'../data/good_maps/wgs842merc_reprojection.xml')

#merc_bounds = mapnik.Box2d(-20037508.34,-20037508.34,20037508.34,20037508.34)

# m.zoom_to_box(merc_bounds)

# eq_(m.envelope(),merc_bounds)

def test_visual_zoom_all_rendering1():

m = mapnik.Map(512, 512)

mapnik.load_map(m, '../data/good_maps/wgs842merc_reprojection.xml')

merc_bounds = mapnik.Box2d(-20037508.34, -

20037508.34, 20037508.34, 20037508.34)

m.maximum_extent = merc_bounds

m.zoom_all()

im = mapnik.Image(512, 512)

mapnik.render(m, im)

actual = '/tmp/mapnik-wgs842merc-reprojection-render.png'

expected = 'images/support/mapnik-wgs842merc-reprojection-render.png'

im.save(actual, 'png32')

expected_im = mapnik.Image.open(expected)

eq_(im.tostring('png32'),

expected_im.tostring('png32'),

'failed comparing actual (%s) and expected (%s)' % (actual,

'test/python_tests/' + expected))

def test_visual_zoom_all_rendering2():

m = mapnik.Map(512, 512)

mapnik.load_map(m, '../data/good_maps/merc2wgs84_reprojection.xml')

m.zoom_all()

im = mapnik.Image(512, 512)

mapnik.render(m, im)

actual = '/tmp/mapnik-merc2wgs84-reprojection-render.png'

expected = 'images/support/mapnik-merc2wgs84-reprojection-render.png'

im.save(actual, 'png32')

expected_im = mapnik.Image.open(expected)

eq_(im.tostring('png32'),

expected_im.tostring('png32'),

'failed comparing actual (%s) and expected (%s)' % (actual,

'test/python_tests/' + expected))

# maximum-extent read from map.xml

def test_visual_zoom_all_rendering3():

m = mapnik.Map(512, 512)

mapnik.load_map(m, '../data/good_maps/bounds_clipping.xml')

m.zoom_all()

im = mapnik.Image(512, 512)

mapnik.render(m, im)

actual = '/tmp/mapnik-merc2merc-reprojection-render1.png'

expected = 'images/support/mapnik-merc2merc-reprojection-render1.png'

im.save(actual, 'png32')

expected_im = mapnik.Image.open(expected)

eq_(im.tostring('png32'),

expected_im.tostring('png32'),

'failed comparing actual (%s) and expected (%s)' % (actual,

'test/python_tests/' + expected))

# no maximum-extent

def test_visual_zoom_all_rendering4():

m = mapnik.Map(512, 512)

mapnik.load_map(m, '../data/good_maps/bounds_clipping.xml')

m.maximum_extent = None

m.zoom_all()

im = mapnik.Image(512, 512)

mapnik.render(m, im)

actual = '/tmp/mapnik-merc2merc-reprojection-render2.png'

expected = 'images/support/mapnik-merc2merc-reprojection-render2.png'

im.save(actual, 'png32')

expected_im = mapnik.Image.open(expected)

eq_(im.tostring('png32'),

expected_im.tostring('png32'),

'failed comparing actual (%s) and expected (%s)' % (actual,

'test/python_tests/' + expected))

if __name__ == "__main__":

setup()

exit(run_all(eval(x) for x in dir() if x.startswith("test_")))