pygal/demo/moulinrouge/tests.py

# -*- coding: utf-8 -*-
# This file is part of pygal
from pygal import (
    Bar, Gauge, Pyramid, Funnel, Dot, StackedBar, StackedLine, XY,
    CHARTS_BY_NAME, Config, Line, Histogram, Box,
    Pie, Treemap, TimeLine, DateLine,
    DateTimeLine)

try:
    from pygal.maps import world
except ImportError:
    world = None

try:
    from pygal.maps import fr
except ImportError:
    fr = None

try:
    from pygal.maps import ch
except ImportError:
    ch = None

from flask import abort
from pygal.style import styles, Style, RotateStyle
from pygal.colors import rotate
from pygal.graph.horizontal import HorizontalGraph
from random import randint, choice
from datetime import datetime, date


def get_test_routes(app):
    lnk = lambda v, l=None: {
        'value': v,
        'xlink': 'javascript:alert("Test %s")' % v,
        'label': l}

    @app.route('/test/unsorted')
    def test_unsorted():
        bar = Bar(style=styles['neon'])
        bar.add('A', {'red': 10, 'green': 12, 'blue': 14})
        bar.add('B', {'green': 11, 'blue': 7})
        bar.add('C', {'blue': 7})
        bar.add('D', {})
        bar.add('E', {'blue': 2, 'red': 13})
        bar.x_labels = ('red', 'green', 'blue')
        return bar.render_response()

    @app.route('/test/bar_links')
    def test_bar_links():
        bar = Bar(style=styles['neon'])
        bar.js = ('http://l:2343/2.0.x/pygal-tooltips.js',)
        bar.add('1234', [
            {'value': 10,
             'label': 'Ten',
             'xlink': 'http://google.com?q=10'},
            {'value': 20,
             'tooltip': 'Twenty',
             'xlink': 'http://google.com?q=20'},
            30,
            {'value': 40,
             'label': 'Forty',
             'xlink': 'http://google.com?q=40'}
        ])

        bar.add('4321', [40, {
            'value': 30,
            'label': 'Thirty',
            'xlink': 'http://google.com?q=30'
        }, 20, 10])
        bar.x_labels = map(str, range(1, 5))
        bar.logarithmic = True
        bar.zero = 1
        return bar.render_response()

    @app.route('/test/xy_links')
    def test_xy_links():
        xy = XY(style=styles['neon'], interpolate='cubic')
        xy.add('1234', [
            {'value': (10, 5),
             'label': 'Ten',
             'xlink': 'http://google.com?q=10'},
            {'value': (20, 20),
             'tooltip': 'Twenty',
             'xlink': 'http://google.com?q=20'},
            (30, 15),
            {'value': (40, -5),
             'label': 'Forty',
             'xlink': 'http://google.com?q=40'}
        ])

        xy.add('4321', [(40, 10), {
            'value': (30, 3),
            'label': 'Thirty',
            'xlink': 'http://google.com?q=30'
        }, (20, 10), (10, 21)])
        xy.x_labels = list(range(1, 50))
        xy.y_labels = list(range(1, 50))
        return xy.render_response()

    @app.route('/test/long_title')
    def test_long_title():
        bar = Bar()
        bar.add('Looooooooooooooooooooooooooooooooooong', [2, None, 12])
        bar.title = (
            '1 12 123 1234 12345 123456 1234567 12345678 123456789 1234567890 '
            '12345678901 123456789012 1234567890123 12345678901234 '
            '123456789012345 1234567890123456 12345678901234567 '
            '123456789012345678 1234567890123456789 12345678901234567890 '
            '123456789012345 1234567890123456 12345678901234567 '
            '12345678901 123456789012 1234567890123 12345678901234 '
            '1 12 123 1234 12345 123456 1234567 12345678 123456789 1234567890')
        return bar.render_response()

    @app.route('/test/multiline_title')
    def test_multiline_title():
        bar = Bar()
        bar.add('Looooooooooooooooooooooooooooooooooong', [2, None, 12])
        bar.title = (
            'First line \n Second line \n Third line'
        )
        return bar.render_response()

    @app.route('/test/long_labels')
    def test_long_labels():
        bar = Bar()
        bar.add('Long', [2, None, 12])
        bar.title = (
            '1 12 123 1234 12345 123456 1234567 12345678 123456789 1234567890')
        bar.x_labels = 'a' * 100, 'b ' * 50, 'cc ! ' * 20
        bar.x_label_rotation = 45
        return bar.render_response()

    @app.route('/test/none')
    def test_bar_none():
        bar = Bar()
        bar.add('Lol', [2, None, 12])
        return bar.render_response()

    @app.route('/test/treemap')
    def test_treemap():
        treemap = Treemap(style=RotateStyle('#ff5995', opacity=.6))
        treemap.title = 'Binary TreeMap'
        treemap.add('A', [2, 1, 12, 4, 2, 1, 1, 3, 12, 3, 4, None, 9])
        treemap.add('B', [4, 2, 5, 10, 3, 4, 2, 7, 4, -10, None, 8, 3, 1])
        treemap.add('C', [3, 8, 3, 3, 5, 3, 3, 5, 4, 12])
        treemap.add('D', [23, 18])
        treemap.add('E', [1, 2, 1, 2, 3, 3, 1, 2, 3,
                          4, 3, 1, 2, 1, 1, 1, 1, 1])
        treemap.add('F', [31])
        treemap.add('G', [5, 9.3, 8.1, 12, 4, 3, 2])
        treemap.add('H', [12, 3, 3])
        return treemap.render_response()

    @app.route('/test/gauge')
    def test_gauge():
        gauge = Gauge()

        gauge.range = [-10, 10]
        gauge.add('Need l', [2.3, 5.12])
        gauge.add('Need m', [-4])
        gauge.add('Need z', [-10, 10.5])
        gauge.add('No', [99, -99])
        return gauge.render_response()

    @app.route('/test/gauge/log')
    def test_gauge_log():
        gauge = Gauge(logarithmic=True)

        gauge.add('Need l', [200.3, 500.12])
        gauge.add('Need z', [10, 1000.5])
        return gauge.render_response()

    @app.route('/test/pyramid')
    def test_pyramid():
        pyramid = Pyramid()

        pyramid.x_labels = ['0-25', '25-45', '45-65', '65+']
        pyramid.add('Man single', [2, 4, 2, 1])
        pyramid.add('Woman single', [10, 6, 1, 1])
        pyramid.add('Man maried', [10, 3, 4, 2])
        pyramid.add('Woman maried', [3, 3, 5, 3])

        return pyramid.render_response()

    @app.route('/test/funnel')
    def test_funnel():
        funnel = Funnel()

        funnel.add('1', [1, 2, 3])
        funnel.add('3', [3, 4, 5])
        funnel.add('6', [6, 5, 4])
        funnel.add('12', [12, 2, 9])

        return funnel.render_response()

    @app.route('/test/dot')
    def test_dot():
        dot = Dot(logarithmic=True)
        dot.x_labels = map(str, range(4))
        dot.add('a', [1, lnk(3, 'Foo'), 5, 3])
        dot.add('b', [2, -2, 0, 2, .1])
        dot.add('c', [5, 1, 50, lnk(3, 'Bar')])
        dot.add('d', [-5, 5, lnk(0, 'Babar'), 3])

        return dot.render_response()

    @app.route('/test/<chart>')
    def test_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.add('1', [1, 3, 12, 3, 4, None, 9])
        graph.add('2', [7, -4, 10, None, 8, 3, 1])
        graph.add('3', [7, -14, -10, None, 8, 3, 1])
        graph.add('4', [7, 4, -10, None, 8, 3, 1])
        graph.x_labels = ('a', 'b', 'c', 'd', 'e', 'f', 'g')
        graph.x_label_rotation = 90
        return graph.render_response()

    @app.route('/test/one/<chart>')
    def test_one_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.add('1', [10])
        graph.x_labels = 'a',
        return graph.render_response()

    @app.route('/test/xytitles/<chart>')
    def test_xy_titles_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.title = 'My global title'
        graph.x_title = 'My X title'
        graph.y_title = 'My Y title'
        graph.add('My number 1 serie', [1, 3, 12])
        graph.add('My number 2 serie', [7, -4, 10])
        graph.add('A', [17, -14, 11], secondary=True)
        graph.x_label_rotation = 25
        graph.legend_at_bottom = not True
        graph.x_labels = (
            'First point', 'Second point', 'Third point')
        return graph.render_response()

    @app.route('/test/no_data/<chart>')
    def test_no_data_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.add('Empty 1', [])
        graph.add('Empty 2', [])
        graph.x_labels = 'empty'
        graph.title = '123456789 ' * 30
        return graph.render_response()

    @app.route('/test/xy_single')
    def test_xy_single():
        graph = XY(interpolate='cubic')
        graph.add('Single', [(1, 1)])
        return graph.render_response()

    @app.route('/test/no_data/at_all/<chart>')
    def test_no_data_at_all_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        return graph.render_response()

    @app.route('/test/interpolate/<chart>')
    def test_interpolate_for(chart):
        graph = CHARTS_BY_NAME[chart](interpolate='lagrange',
                                      interpolation_parameters={
                                          'type': 'kochanek_bartels',
                                          'c': 1,
                                          'b': -1,
                                          't': -1})
        graph.add('1', [1, 3, 12, 3, 4])
        graph.add('2', [7, -4, 10, None, 8, 3, 1])
        return graph.render_response()

    @app.route('/test/logarithmic/<chart>')
    def test_logarithmic_for(chart):
        graph = CHARTS_BY_NAME[chart](logarithmic=True)
        if isinstance(graph, CHARTS_BY_NAME['XY']):
            graph.add('xy', [
                (.1, .234), (10, 243), (.001, 2), (1000000, 1231)])
        else:
            graph.add('1', [.1, 10, .01, 10000])
            graph.add('2', [.234, 243, 2, 2379, 1231])
            graph.x_labels = ('a', 'b', 'c', 'd', 'e')
        graph.x_label_rotation = 90
        return graph.render_response()

    @app.route('/test/zero_at_34/<chart>')
    @app.route('/test/zero_at_<int:zero>/<chart>')
    def test_zero_at_34_for(chart, zero=34):
        graph = CHARTS_BY_NAME[chart](fill=True, zero=zero)
        graph.add('1', [100, 34, 12, 43, -48])
        graph.add('2', [73, -14, 10, None, -58, 32, 91])
        return graph.render_response()

    @app.route('/test/fill_with_none/')
    def test_fill_with_none():
        graph = XY(fill=True)
        graph.add('1', [(1, 2), (3, 3), (3.5, 5), (5, 1)])
        graph.add('2', [(1, 9), (None, 5), (5, 23)])
        return graph.render_response()

    @app.route('/test/negative/<chart>')
    def test_negative_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.add('1', [10, 0, -10])
        return graph.render_response()

    @app.route('/test/bar')
    def test_bar():
        bar = Bar()
        bar.add('1', [1, 2, 3])
        bar.add('2', [4, 5, 6])
        bar.x_labels = ['a']
        return bar.render_response()

    @app.route('/test/histogram')
    def test_histogram():
        hist = Histogram(style=styles['neon'])
        hist.add('1', [
            (2, 0, 1),
            (4, 1, 3),
            (3, 3.5, 5),
            (1.5, 5, 10)
        ])
        hist.add('2', [(2, 2, 8)])
        return hist.render_response()

    @app.route('/test/ylabels')
    def test_ylabels():
        chart = Line()
        chart.x_labels = 'Red', 'Blue', 'Green'
        chart.y_labels = .0001, .0003, .0004, .00045, .0005
        chart.add('line', [.0002, .0005, .00035])
        return chart.render_response()

    @app.route('/test/secondary/<chart>')
    def test_secondary_for(chart):
        chart = CHARTS_BY_NAME[chart](fill=True)
        chart.title = 'LOL ' * 23
        chart.x_labels = 'abc'
        chart.x_label_rotation = 25
        chart.y_label_rotation = 50
        chart.add('1', [30, 20, -2])
        chart.add(10 * '1b', [-4, 50, 6], secondary=True)
        chart.add(10 * '2b', [None, 10, 20], secondary=True)
        chart.add('2', [8, 21, -0])
        chart.add('3', [None, 20, 10])
        chart.add('3b', [-1, 2, -3], secondary=True)
        return chart.render_response()

    @app.route('/test/secondary_xy')
    def test_secondary_xy():
        chart = XY()
        chart.add(10 * '1', [(30, 5), (20, 12), (25, 4)])
        chart.add(10 * '1b', [(4, 12), (5, 8), (6, 4)], secondary=True)
        chart.add(10 * '2b', [(3, 24), (0, 17), (12, 9)], secondary=True)
        chart.add(10 * '2', [(8, 23), (21, 1), (5, 0)])
        return chart.render_response()

    @app.route('/test/box')
    def test_box():
        chart = Box()
        chart.add('One', [15, 8, 2, -12, 9, 23])
        chart.add('Two', [5, 8, 2, -9, 23, 12])
        chart.add('Three', [8, -2, 12, -5, 9, 3])
        chart.add('Four', [5, 8, 2, -9, -3, 12])
        chart.add('Five', [8, 12, 12, -9, 5, 13])
        chart.x_labels = map(str, range(5))
        return chart.render_response()

    @app.route('/test/stacked')
    def test_stacked():
        stacked = StackedLine(stack_from_top=True, logarithmic=True)
        stacked.add('1', [1, 2])
        stacked.add('2', [10, 12])
        return stacked.render_response()

    @app.route('/test/stacked/reverse')
    def test_stacked_reverse():
        stacked = StackedBar(stack_from_top=True)
        stacked.add('1', [1, 2, 3])
        stacked.add('2', [4, 5, 6])
        return stacked.render_response()

    @app.route('/test/show_dots')
    def test_show_dots():
        line = Line(show_dots=False)
        line.add('1', [1, 2, 3])
        line.add('2', [4, 5, 6])
        return line.render_response()

    @app.route('/test/config')
    def test_config():

        class LolConfig(Config):
            js = ['http://l:2343/2.0.x/pygal-tooltips.js']

        stacked = StackedBar(LolConfig())
        stacked.add('1', [1, 2, 3])
        stacked.add('2', [4, 5, 6])
        return stacked.render_response()

    @app.route('/test/dateline')
    def test_dateline():
        dateline = DateLine(show_dots=False)
        dateline.x_labels = [
            date(2013, 1, 1),
            date(2013, 7, 1),
            date(2014, 1, 1),
            date(2014, 7, 1),
            date(2015, 1, 1),
            date(2015, 7, 1)
        ]
        dateline.add('1', [
            (date(2013, 1, 2), 300),
            (date(2014, 1, 12), 412),
            (date(2015, 2, 2), 823),
            (date(2013, 2, 22), 672)
        ])
        dateline.x_label_rotation = 25
        return dateline.render_response()

    @app.route('/test/timeline')
    def test_timexy():
        from datetime import time
        timeline = TimeLine()
        timeline.add('1', [
            (time(1, 12, 29), 2),
            (time(21, 2, 29), 10),
            (time(12, 30, 59), 7)
        ])
        timeline.add(
            '2', [(time(12, 12, 12), 4), (time(), 8), (time(23, 59, 59), 6)])
        timeline.x_label_rotation = 25
        return timeline.render_response()

    @app.route('/test/worldmap')
    def test_worldmap():
        wmap = world.World(style=choice(list(styles.values())))

        wmap.add('1st', [('fr', 100), ('us', 10)])
        wmap.add('2nd', [('jp', 1), ('ru', 7), ('uk', 0)])
        wmap.add('3rd', ['ch', 'cz', 'ca', 'cn'])
        wmap.add('4th', {'br': 12, 'bo': 1, 'bu': 23, 'fr': 34})
        wmap.add('5th', [{
            'value': ('tw', 10),
            'label': 'First label',
            'xlink': 'http://google.com?q=tw'
        }, {
            'value': ('bw', 20),
            'label': 'Second one',
            'xlink': 'http://google.com?q=bw'
        }, {
            'value': ('mw', 40),
            'label': 'Last'
        }])
        wmap.add('6th', [3, 5, 34, 12])
        wmap.title = 'World Map !!'
        return wmap.render_response()

    @app.route('/test/supranational')
    def test_supranational():
        wmap = world.SupranationalWorld(style=choice(list(styles.values())))

        wmap.add('Asia', [('asia', 1)])
        wmap.add('Europe', [('europe', 1)])
        wmap.add('Africa', [('africa', 1)])
        wmap.add('North america', [('north_america', 1)])
        wmap.add('South america', [('south_america', 1)])
        wmap.add('Oceania', [('oceania', 1)])
        wmap.add('Antartica', [('antartica', 1)])

        wmap.title = 'Supra World Map !!'
        return wmap.render_response()

    @app.route('/test/frenchmapdepartments')
    def test_frenchmapdepartments():
        if fr is None:
            abort(404)
        fmap = fr.Departments(style=choice(list(styles.values())))
        for i in range(10):
            fmap.add('s%d' % i, [
                (choice(list(fr.DEPARTMENTS.keys())), randint(0, 100))
                for _ in range(randint(1, 5))])

        fmap.add('links', [{
            'value': (69, 10),
            'label': '\o/',
            'xlink': 'http://google.com?q=69'
        }, {
            'value': ('42', 20),
            'label': 'Y',
        }])
        fmap.add('6th', [3, 5, 34, 12])
        fmap.title = 'French map'
        return fmap.render_response()

    @app.route('/test/swissmap')
    def test_swissmap():
        smap = ch.Cantons(style=choice(list(styles.values())))
        for i in range(10):
            smap.add('s%d' % i, [
                (choice(list(ch.CANTONS.keys())), randint(0, 100))
                for _ in range(randint(1, 5))])

        smap.add('links', [{
            'value': ('kt-vs', 10),
            'label': '\o/',
            'xlink': 'http://google.com?q=69'
        }, {
            'value': ('bt', 20),
            'label': 'Y',
        }])
        smap.add('6th', [3, 5, 34, 12])
        smap.title = 'Swiss map'
        return smap.render_response()

    @app.route('/test/frenchmapregions')
    def test_frenchmapregions():
        if fr is None:
            abort(404)
        fmap = fr.Regions(style=choice(list(styles.values())))
        for i in range(10):
            fmap.add('s%d' % i, [
                (choice(list(fr.REGIONS.keys())), randint(0, 100))
                for _ in range(randint(1, 5))])

        fmap.add('links', [{
            'value': ('02', 10),
            'label': '\o/',
            'xlink': 'http://google.com?q=69'
        }, {
            'value': ('72', 20),
            'label': 'Y',
        }])
        fmap.add('6th', [91, 2, 41])
        fmap.title = 'French map'
        return fmap.render_response()

    @app.route('/test/labels')
    def test_labels():
        line = Line()
        line.add('test1', range(100))
        line.x_labels = map(str, range(11))
        return line.render_response()

    @app.route('/test/64colors')
    def test_64_colors():
        colors = [rotate('#ff0000', i * 360 / 64) for i in range(64)]
        pie = Pie(style=Style(colors=colors))
        for i in range(64):
            pie.add(str(i), 1)
        return pie.render_response()

    @app.route('/test/major_dots')
    def test_major_dots():
        line = Line(x_labels_major_count=2, show_only_major_dots=True)
        line.add('test', range(12))
        line.x_labels = [
            'lol', 'lol1', 'lol2', 'lol3', 'lol4', 'lol5',
            'lol6', 'lol7', 'lol8', 'lol9', 'lol10', 'lol11']
        # line.x_labels_major = ['lol3']
        return line.render_response()

    @app.route('/test/x_major_labels/<chart>')
    def test_x_major_labels_for(chart):
        chart = CHARTS_BY_NAME[chart]()
        chart.add('test', range(12))
        chart.x_labels = map(str, range(12))
        chart.x_labels_major_count = 4
        # chart.x_labels_major = ['1', '5', '11', '1.0', '5.0', '11.0']
        return chart.render_response()

    @app.route('/test/y_major_labels/<chart>')
    def test_y_major_labels_for(chart):
        chart = CHARTS_BY_NAME[chart]()
        chart.add('test', zip(*[range(12), range(12)]))
        chart.y_labels = range(12)
        # chart.y_labels_major_count = 4
        chart.y_labels_major = [1.0, 5.0, 11.0]
        return chart.render_response()

    @app.route('/test/stroke_config')
    def test_stroke_config():
        line = Line(stroke_style={'width': .5})
        line.add('test_no_line', range(12), stroke=False)
        line.add('test', reversed(range(12)), stroke_style={'width': 3})
        line.add('test_no_dots', [5] * 12, show_dots=False,
                 stroke_style={'width': 2, 'dasharray': '12, 31'})
        line.add('test_big_dots', [
            randint(1, 12) for _ in range(12)], dots_size=5)
        line.add('test_fill', [
            randint(1, 3) for _ in range(12)], fill=True,
                 stroke_style={'width': 5, 'dasharray': '4, 12, 7, 20'})

        line.x_labels = [
            'lol', 'lol1', 'lol2', 'lol3', 'lol4', 'lol5',
            'lol6', 'lol7', 'lol8', 'lol9', 'lol10', 'lol11']
        return line.render_response()

    @app.route('/test/pie_serie_radius')
    def test_pie_serie_radius():
        pie = Pie()
        for i in range(10):
            pie.add(str(i), i, inner_radius=(10 - i) / 10)

        return pie.render_response()

    @app.route('/test/half_pie')
    def test_half_pie():
        pie = Pie(half_pie=True)
        for i in range(100):
            pie.add(str(i), i, inner_radius=.1)
        pie.legend_at_bottom = True
        pie.legend_at_bottom_columns = 4
        return pie.render_response()

    @app.route('/test/interpolate/secondary')
    def test_interpolate_secondary():
        chart = Line(title=u'Some different points', interpolate='cubic')
        chart.add('line', [1000, 2000, 7000])
        chart.add('other line', [100, 500, 500], secondary=True)
        chart.range = 0, 10000
        chart.secondary_range = 0, 1000
        return chart.render_response()

    @app.route('/test/legend_at_bottom/<chart>')
    def test_legend_at_bottom_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.add('1', [1, 3, 12, 3, 4, None, 9])
        graph.add('2', [7, -4, 10, None, 8, 3, 1])
        graph.add('3', [7, -14, -10, None, 8, 3, 1])
        graph.add('4', [7, 4, -10, None, 8, 3, 1])
        graph.x_labels = ('a', 'b', 'c', 'd', 'e', 'f', 'g')
        graph.legend_at_bottom = True
        return graph.render_response()

    @app.route('/test/custom_metadata/<chart>')
    def test_custom_metadata_for(chart):
        c = CHARTS_BY_NAME[chart]()
        c.add('1', [
            {'style': 'fill: red', 'value': 1, 'node': {'r': 12}},
            {'color': 'blue', 'value': 2, 'node': {'width': 12}},
            {'style': 'fill: red; stroke: yellow', 'value': 3}])
        c.add('2', [
            {'value': 4, 'xlink': {
                'href': 'javascript:alert("-")', 'target': 'top',
                'class': 'lol'
            }
            },
            {'color': 'green', 'value': 5},
            6])
        return c.render_response()

    @app.route('/test/sparkline/<chart>')
    def test_sparkline_for(chart):
        graph = CHARTS_BY_NAME[chart](**dict(
            width=200,
            height=50,
            show_dots=False,
            show_legend=False,
            show_y_labels=False,
            show_x_labels=False,
            spacing=0,
            margin=5,
            explicit_size=True
        ))
        graph.add('1', [1, 3, 12, 3, 4, None, 9])
        graph.add('2', [7, -4, 10, None, 8, 3, 1])
        graph.add('3', [7, -14, -10, None, 8, 3, 1])
        graph.add('4', [7, 4, -10, None, 8, 3, 1])
        graph.x_labels = ('a', 'b', 'c', 'd', 'e', 'f', 'g')
        graph.legend_at_bottom = True
        return graph.render_response()

    @app.route('/test/normal/<chart>')
    def test_normal_for(chart):
        graph = CHARTS_BY_NAME[chart]()
        graph.add('1', [1, 3, 12, 3, 4, None, 9])
        graph.add('2', [7, -4, 10, None, 8, 3, 1])
        graph.add('3', [7, -14, -10, None, 8, 3, 1])
        graph.add('4', [7, 4, -10, None, 8, 3, 1])
        graph.x_labels = ('a', 'b', 'c', 'd', 'e', 'f', 'g')
        graph.legend_at_bottom = True
        return graph.render_response()

    @app.route('/test/horizontal_force/<chart>')
    def test_horizontal_force_for(chart):
        class H(CHARTS_BY_NAME[chart], HorizontalGraph):
            pass
        graph = H()

        graph.add('1', [1, 3, 12, 3, 4, None, 9])
        graph.add('2', [7, -4, 10, None, 8, 3, 1])
        graph.add('3', [7, -14, -10, None, 8, 3, 1])
        graph.add('4', [7, 4, -10, None, 8, 3, 1])
        graph.x_labels = ('a', 'b', 'c', 'd', 'e', 'f', 'g')
        graph.legend_at_bottom = True
        return graph.render_response()

    @app.route('/test/inverse_y_axis/<chart>')
    def test_inverse_y_axis_for(chart):
        graph = CHARTS_BY_NAME[chart](**dict(inverse_y_axis=True))
        graph.add('inverse', [1, 2, 3, 12, 24, 36])
        return graph.render_response()

    @app.route('/test/only_zeroes')
    def test_only_zeroes():
        line = Line()
        line.add('zeroes', [])
        line.add('zeroes 2', [0])
        return line.render_response()

    @app.route('/test/datetimeline')
    def test_datetimeline():
        line = DateTimeLine()
        line.add('dt', [
            (datetime(2013, 1, 12, 8, 0), 300),
            (datetime(2013, 1, 12, 12), 412),
            (datetime(2013, 2, 22, 12), 823),
            (datetime(2013, 2, 22, 20), 672)
        ])
        line.x_value_formatter = lambda x: x.strftime("%Y-%m-%d")
        line.x_label_rotation = 45
        return line.render_response()

    @app.route('/test/order_min')
    def test_order_min():
        line = Line(order_min=-32)
        line.add('_', [1, 32, 12, .4, .009])
        return line.render_response()

    return list(sorted(filter(lambda x: x.startswith('test'), locals())))