def test_30(self):
"""
linear.nice(count) has no effect on degenerate domains
"""
self.assertEqual(scale.linear(domain=[0, 0]).nice(10).domain, [0, 0])
self.assertEqual(
scale.linear(domain=[.5, .5]).nice(10).domain, [.5, .5])
def test_32(self):
"""
linear.nice(count) accepts a tick count to control nicing step
"""
self.assertEqual(scale.linear(domain=[12,87]).nice(5).domain,[0, 100])
self.assertEqual(scale.linear(domain=[12,87]).nice(10).domain,[10, 90])
self.assertEqual(scale.linear(domain=[12,87]).nice(100).domain,[12, 87])
def test_24(self):
"""
linear.clamp(true) restricts input values to the domain
"""
self.assertEqual(
scale.linear(range=[10, 20], clamp=True).invert(30), 1)
self.assertEqual(scale.linear(range=[10, 20], clamp=True).invert(0), 0)
def test_12(self):
"""
linear.domain(domain) accepts an array of numbers
"""
self.assertEqual(scale.linear(domain=[]).domain, [])
self.assertEqual(scale.linear(domain=[1, 0]).domain, [1, 0])
self.assertEqual(scale.linear(domain=[1, 2, 3]).domain, [1, 2, 3])
def test_12(self):
"""
linear.domain(domain) accepts an array of numbers
"""
self.assertEqual( scale.linear(domain=[]).domain, [])
self.assertEqual( scale.linear(domain=[1,0]).domain, [1,0])
self.assertEqual( scale.linear(domain=[1,2,3]).domain, [1,2,3])
def test_25(self):
"""
linear.clamp(clamp) coerces the specified clamp value to a boolean
"""
self.assertEqual(scale.linear(clamp=True).clamp, True)
self.assertEqual(scale.linear(clamp=1).clamp, True)
self.assertEqual(scale.linear(clamp="").clamp, False)
self.assertEqual(scale.linear(clamp=0).clamp, False)
def test_25(self):
"""
linear.clamp(clamp) coerces the specified clamp value to a boolean
"""
self.assertEqual(scale.linear(clamp=True).clamp, True)
self.assertEqual(scale.linear(clamp=1).clamp, True)
self.assertEqual(scale.linear(clamp="").clamp, False)
self.assertEqual(scale.linear(clamp=0).clamp, False)
def test_9(self):
"""
linear.invert(y) maps an empty range to the domain start
"""
s = scale.linear(domain=[1,2], range=[0,0])
self.assertEqual(s.invert(0), 1)
s = scale.linear(domain=[2,1], range=[0,0])
self.assertEqual(s.invert(1), 2)
def test_9(self):
"""
linear.invert(y) maps an empty range to the domain start
"""
s = scale.linear(domain=[1, 2], range=[0, 0])
self.assertEqual(s.invert(0), 1)
s = scale.linear(domain=[2, 1], range=[0, 0])
self.assertEqual(s.invert(1), 2)
def test_31(self):
"""
linear.nice(count) nicing a polylinear domain only affects the extent
"""
self.assertEqual(scale.linear(domain=[1.1, 1, 2, 3, 10.9]).nice(10).domain,
[1, 1, 2, 3, 11])
self.assertEqual(scale.linear(domain=[123.1, 1, 2, 3, -.9]).nice(10).domain,
[130, 1, 2, 3, -10])
def test_11(self):
"""
linear.invert(y) returns None if the range is not coercible to number
"""
s = scale.linear(range=["#000", "#fff"])
self.assertEqual(s.invert("#999"), None)
s = scale.linear(range=[0, "#fff"])
self.assertEqual(s.invert("#999"), None)
def test_11(self):
"""
linear.invert(y) returns None if the range is not coercible to number
"""
s = scale.linear(range=["#000", "#fff"])
self.assertEqual(s.invert("#999"), None)
s = scale.linear(range=[0, "#fff"])
self.assertEqual(s.invert("#999"), None)
def test_22(self):
"""
linear.clamp() is false by default
"""
self.assertEqual(scale.linear().clamp, False)
self.assertEqual(scale.linear(range=[10, 20])(2), 30)
self.assertEqual(scale.linear(range=[10, 20])(-1), 0)
self.assertEqual(scale.linear(range=[10, 20]).invert(30), 2)
self.assertEqual(scale.linear(range=[10, 20]).invert(0), -1)
def test_29(self):
"""
linear.nice(count) nices the domain, extending it to round numbers
"""
self.assertEqual(scale.linear(domain=[1.1,10.9]).nice(10).domain, [1, 11])
self.assertEqual(scale.linear(domain=[10.9,1.1]).nice(10).domain, [11, 1])
self.assertEqual(scale.linear(domain=[.7,11.001]).nice(10).domain, [0, 12])
self.assertEqual(scale.linear(domain=[123.1,6.7]).nice(10).domain, [130, 0])
self.assertEqual(scale.linear(domain=[0,.49]).nice(10).domain, [0, .5])
def test_5(self):
"""
linear(x) maps an empty domain to the range start
"""
s = scale.linear(domain=[0, 0], range=[1, 2])
self.assertEqual(s(0), 1)
s = scale.linear(domain=[0, 0], range=[2, 1])
self.assertEqual(s(1), 2)
def test_18(self):
"""
linear.range(range) can accept range values as arrays or objects
"""
s = scale.linear(range=[{"color": "red"}, {"color": "blue"}])
self.assertEqual(s(.5), {"color":"#800080"})
s = scale.linear(range=[["red"], ["blue"]])
self.assertEqual(s(.5), ["#800080"])
def test_10(self):
"""
linear.invert(y) coerces range values to numbers
"""
s = scale.linear(range=["0", "2"])
self.assertEqual(s.invert(1), .5)
s = scale.linear(range=[np.datetime64("1990-01-01"), np.datetime64("1991-01-01")])
self.assertEqual(s(.5), np.datetime64("1990-07-02"))
def test_22(self):
"""
linear.clamp() is false by default
"""
self.assertEqual(scale.linear().clamp, False)
self.assertEqual(scale.linear(range=[10, 20])(2), 30)
self.assertEqual(scale.linear(range=[10, 20])(-1), 0)
self.assertEqual(scale.linear(range=[10, 20]).invert(30), 2)
self.assertEqual(scale.linear(range=[10, 20]).invert(0), -1)
def test_5(self):
"""
linear(x) maps an empty domain to the range start
"""
s = scale.linear(domain=[0,0], range=[1,2])
self.assertEqual(s(0), 1)
s = scale.linear(domain=[0,0], range=[2,1])
self.assertEqual(s(1), 2)
def test_18(self):
"""
linear.range(range) can accept range values as arrays or objects
"""
s = scale.linear(range=[{"color": "red"}, {"color": "blue"}])
self.assertEqual(s(.5), {"color": "#800080"})
s = scale.linear(range=[["red"], ["blue"]])
self.assertEqual(s(.5), ["#800080"])
def test_32(self):
"""
linear.nice(count) accepts a tick count to control nicing step
"""
self.assertEqual(
scale.linear(domain=[12, 87]).nice(5).domain, [0, 100])
self.assertEqual(
scale.linear(domain=[12, 87]).nice(10).domain, [10, 90])
self.assertEqual(
scale.linear(domain=[12, 87]).nice(100).domain, [12, 87])
def test_31(self):
"""
linear.nice(count) nicing a polylinear domain only affects the extent
"""
self.assertEqual(
scale.linear(domain=[1.1, 1, 2, 3, 10.9]).nice(10).domain,
[1, 1, 2, 3, 11])
self.assertEqual(
scale.linear(domain=[123.1, 1, 2, 3, -.9]).nice(10).domain,
[130, 1, 2, 3, -10])
def test_10(self):
"""
linear.invert(y) coerces range values to numbers
"""
s = scale.linear(range=["0", "2"])
self.assertEqual(s.invert(1), .5)
s = scale.linear(
range=[np.datetime64("1990-01-01"),
np.datetime64("1991-01-01")])
self.assertEqual(s(.5), np.datetime64("1990-07-02"))
def test_17(self):
"""
linear.range(range) can accept range values as colors
"""
s = scale.linear(range=["red", "blue"])
self.assertEqual(s(.5), "#800080")
s = scale.linear(range=["#ff0000", "#0000ff"])
self.assertEqual(s(.5), "#800080")
s = scale.linear(range=["#f00", "#00f"])
self.assertEqual(s(.5), "#800080")
def test_17(self):
"""
linear.range(range) can accept range values as colors
"""
s = scale.linear(range=["red", "blue"])
self.assertEqual(s(.5), "#800080")
s = scale.linear(range=["#ff0000", "#0000ff"])
self.assertEqual(s(.5), "#800080")
s = scale.linear(range=["#f00", "#00f"])
self.assertEqual(s(.5), "#800080")
def test_34(self):
"""
linear.ticks(count) returns the expected ticks for a descending domain
"""
s = scale.linear(domain=[1, 0])
np.testing.assert_almost_equal(s.ticks(10), [
0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0
][::-1])
np.testing.assert_almost_equal(s.ticks(9), [
0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0
][::-1])
np.testing.assert_almost_equal(s.ticks(8), [
0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0
][::-1])
np.testing.assert_almost_equal(s.ticks(7),
[0.0, 0.2, 0.4, 0.6, 0.8, 1.0][::-1])
np.testing.assert_almost_equal(s.ticks(6),
[0.0, 0.2, 0.4, 0.6, 0.8, 1.0][::-1])
np.testing.assert_almost_equal(s.ticks(5),
[0.0, 0.2, 0.4, 0.6, 0.8, 1.0][::-1])
np.testing.assert_almost_equal(s.ticks(4),
[0.0, 0.2, 0.4, 0.6, 0.8, 1.0][::-1])
np.testing.assert_almost_equal(s.ticks(3), [0.0, 0.5, 1.0][::-1])
np.testing.assert_almost_equal(s.ticks(2), [0.0, 0.5, 1.0][::-1])
np.testing.assert_almost_equal(s.ticks(1), [0.0, 1.0][::-1])
s = scale.linear(domain=[+100, -100])
np.testing.assert_almost_equal(
s.ticks(10), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80,
100][::-1])
np.testing.assert_almost_equal(
s.ticks(9), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80,
100][::-1])
np.testing.assert_almost_equal(
s.ticks(8), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80,
100][::-1])
np.testing.assert_almost_equal(
s.ticks(7), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80,
100][::-1])
np.testing.assert_almost_equal(s.ticks(6), [-100, -50, 0, 50,
100][::-1])
np.testing.assert_almost_equal(s.ticks(5), [-100, -50, 0, 50,
100][::-1])
np.testing.assert_almost_equal(s.ticks(4), [-100, -50, 0, 50,
100][::-1])
np.testing.assert_almost_equal(s.ticks(3), [-100, -50, 0, 50,
100][::-1])
np.testing.assert_almost_equal(s.ticks(2), [-100, 0, 100][::-1])
np.testing.assert_almost_equal(s.ticks(1), [0][::-1])
def test_29(self):
"""
linear.nice(count) nices the domain, extending it to round numbers
"""
self.assertEqual(
scale.linear(domain=[1.1, 10.9]).nice(10).domain, [1, 11])
self.assertEqual(
scale.linear(domain=[10.9, 1.1]).nice(10).domain, [11, 1])
self.assertEqual(
scale.linear(domain=[.7, 11.001]).nice(10).domain, [0, 12])
self.assertEqual(
scale.linear(domain=[123.1, 6.7]).nice(10).domain, [130, 0])
self.assertEqual(
scale.linear(domain=[0, .49]).nice(10).domain, [0, .5])
def test_35(self):
"""
linear.ticks(count) returns the expected ticks for a polylinear domain
"""
s = scale.linear(domain=[0, 0.25, 0.9, 1])
np.testing.assert_almost_equal(
s.ticks(10), [0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0])
np.testing.assert_almost_equal(
s.ticks(9), [0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0])
np.testing.assert_almost_equal(
s.ticks(8), [0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0])
np.testing.assert_almost_equal(
s.ticks(7), [0.0, 0.2, 0.4, 0.6, 0.8, 1.0])
np.testing.assert_almost_equal(
s.ticks(6), [0.0, 0.2, 0.4, 0.6, 0.8, 1.0])
np.testing.assert_almost_equal(
s.ticks(5), [0.0, 0.2, 0.4, 0.6, 0.8, 1.0])
np.testing.assert_almost_equal(
s.ticks(4), [0.0, 0.2, 0.4, 0.6, 0.8, 1.0])
np.testing.assert_almost_equal(
s.ticks(3), [0.0, 0.5, 1.0])
np.testing.assert_almost_equal(
s.ticks(2), [0.0, 0.5, 1.0])
np.testing.assert_almost_equal(
s.ticks(1), [0.0, 1.0])
s = scale.linear(domain=[-100,0,100])
np.testing.assert_almost_equal(
s.ticks(10), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80, 100])
np.testing.assert_almost_equal(
s.ticks(9), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80, 100])
np.testing.assert_almost_equal(
s.ticks(8), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80, 100])
np.testing.assert_almost_equal(
s.ticks(7), [-100, -80, -60, -40, -20, 0, 20, 40, 60, 80, 100])
np.testing.assert_almost_equal(
s.ticks(6), [-100, -50, 0, 50, 100])
np.testing.assert_almost_equal(
s.ticks(5), [-100, -50, 0, 50, 100])
np.testing.assert_almost_equal(
s.ticks(4), [-100, -50, 0, 50, 100])
np.testing.assert_almost_equal(
s.ticks(3), [-100, -50, 0, 50, 100])
np.testing.assert_almost_equal(
s.ticks(2), [-100, 0, 100])
np.testing.assert_almost_equal(
s.ticks(1), [ 0 ])
def test_16(self):
"""
linear.range(range) does not coerce range to numbers
"""
s = scale.linear(range=["0px", "2px"])
self.assertEqual(s.range, ["0px", "2px"])
self.assertEqual(s(.5), "1px")
def test_4(self):
"""
linear(x) ignores extra domain values if the range is smaller than the domain
"""
s = scale.linear(domain=[-10,0,100], range=["red", "white"], clamp=True)
self.assertEqual(s(-5), "#ff8080")
self.assertEqual(s(50), "#ffffff")
def test_16(self):
"""
linear.range(range) does not coerce range to numbers
"""
s = scale.linear(range=["0px", "2px"])
self.assertEqual(s.range, ["0px", "2px"])
self.assertEqual(s(.5), "1px")
def test_2(self):
"""
linear(x) maps a domain value x to a range value y"
"""
s = scale.linear(range=[1,2])
self.assertEqual(s(0.5), 1.5)
def test_2(self):
"""
linear(x) maps a domain value x to a range value y"
"""
s = scale.linear(range=[1, 2])
self.assertEqual(s(0.5), 1.5)
def test_28(self):
"""
linear.nice(count) extends the domain to match the desired ticks
"""
self.assertEqual(scale.linear(domain=[ 0,.96]).nice().domain, [0, 1])
self.assertEqual(scale.linear(domain=[ 0, 96]).nice().domain, [0, 100])
self.assertEqual(scale.linear(domain=[.96, 0]).nice().domain, [1, 0])
self.assertEqual(scale.linear(domain=[ 96, 0]).nice().domain, [100, 0])
self.assertEqual(scale.linear(domain=[0,-.96]).nice().domain, [0, -1])
self.assertEqual(scale.linear(domain=[0, -96]).nice().domain, [0, -100])
self.assertEqual(scale.linear(domain=[-.96,0]).nice().domain, [-1, 0])
self.assertEqual(scale.linear(domain=[-96,0]).nice().domain, [-100, 0])
self.assertEqual(scale.linear(domain=[-0.1,51.1]).nice(8).domain, [-10, 60])
def test_1(self):
"""
linear() has the expected defaults
"""
s = scale.linear()
self.assertEqual(s.domain, [0, 1])
self.assertEqual(s.range, [0, 1])
self.assertEqual(s.clamp, False)
def test_36(self):
"""
linear.ticks(count) returns the empty array if count is not a positive integer
"""
s = scale.linear()
self.assertEqual(s.ticks(None), [])
self.assertEqual(s.ticks(0), []);
self.assertEqual(s.ticks(-1), []);
def test_1(self):
"""
linear() has the expected defaults
"""
s = scale.linear()
self.assertEqual(s.domain, [0,1])
self.assertEqual(s.range, [0,1])
self.assertEqual(s.clamp, False)
def test_36(self):
"""
linear.ticks(count) returns the empty array if count is not a positive integer
"""
s = scale.linear()
self.assertEqual(s.ticks(None), [])
self.assertEqual(s.ticks(0), [])
self.assertEqual(s.ticks(-1), [])
def test_4(self):
"""
linear(x) ignores extra domain values if the range is smaller than the domain
"""
s = scale.linear(domain=[-10, 0, 100],
range=["red", "white"],
clamp=True)
self.assertEqual(s(-5), "#ff8080")
self.assertEqual(s(50), "#ffffff")
def test_28(self):
"""
linear.nice(count) extends the domain to match the desired ticks
"""
self.assertEqual(scale.linear(domain=[0, .96]).nice().domain, [0, 1])
self.assertEqual(scale.linear(domain=[0, 96]).nice().domain, [0, 100])
self.assertEqual(scale.linear(domain=[.96, 0]).nice().domain, [1, 0])
self.assertEqual(scale.linear(domain=[96, 0]).nice().domain, [100, 0])
self.assertEqual(scale.linear(domain=[0, -.96]).nice().domain, [0, -1])
self.assertEqual(
scale.linear(domain=[0, -96]).nice().domain, [0, -100])
self.assertEqual(scale.linear(domain=[-.96, 0]).nice().domain, [-1, 0])
self.assertEqual(
scale.linear(domain=[-96, 0]).nice().domain, [-100, 0])
self.assertEqual(
scale.linear(domain=[-0.1, 51.1]).nice(8).domain, [-10, 60])
def test_7(self):
"""
linear(x) can map a polylinear domain with more than two values to the
corresponding range
"""
s = scale.linear(domain=[-10, 0, 100], range=["red", "white", "green"])
self.assertEqual(s.domain, [-10, 0, 100])
self.assertEqual(s(-5), "#ff8080")
self.assertEqual(s(50), "#80c080")
self.assertEqual(s(75), "#40a040")
s = scale.linear(domain=[4, 2, 1], range=[1, 2, 4])
self.assertEqual(s(1.5), 3)
self.assertEqual(s(3), 1.5)
self.assertEqual(s.invert(1.5), 3)
self.assertEqual(s.invert(3), 1.5)
s = scale.linear(domain=[1, 2, 4],range=[4, 2, 1])
self.assertEqual(s(1.5), 3)
self.assertEqual(s(3), 1.5)
self.assertEqual(s.invert(1.5), 3)
self.assertEqual(s.invert(3), 1.5)
def test_7(self):
"""
linear(x) can map a polylinear domain with more than two values to the
corresponding range
"""
s = scale.linear(domain=[-10, 0, 100], range=["red", "white", "green"])
self.assertEqual(s.domain, [-10, 0, 100])
self.assertEqual(s(-5), "#ff8080")
self.assertEqual(s(50), "#80c080")
self.assertEqual(s(75), "#40a040")
s = scale.linear(domain=[4, 2, 1], range=[1, 2, 4])
self.assertEqual(s(1.5), 3)
self.assertEqual(s(3), 1.5)
self.assertEqual(s.invert(1.5), 3)
self.assertEqual(s.invert(3), 1.5)
s = scale.linear(domain=[1, 2, 4], range=[4, 2, 1])
self.assertEqual(s(1.5), 3)
self.assertEqual(s(3), 1.5)
self.assertEqual(s.invert(1.5), 3)
self.assertEqual(s.invert(3), 1.5)
def test_6(self):
"""
linear(x) can map a bilinear domain with two values to the corresponding
range
"""
s = scale.linear(domain=[1, 2])
self.assertEqual(s.domain, [1, 2])
self.assertEqual(s(0.5), -0.5)
self.assertEqual(s(1.0), 0.0)
self.assertEqual(s(1.5), 0.5)
self.assertEqual(s(2.0), 1.0)
self.assertEqual(s(2.5), 1.5)
self.assertEqual(s.invert(-0.5), 0.5)
self.assertEqual(s.invert(0.0), 1.0)
self.assertEqual(s.invert(0.5), 1.5)
self.assertEqual(s.invert(1.0), 2.0)
self.assertEqual(s.invert(1.5), 2.5)
def test_6(self):
"""
linear(x) can map a bilinear domain with two values to the corresponding
range
"""
s = scale.linear(domain=[1, 2])
self.assertEqual(s.domain, [1,2])
self.assertEqual(s(0.5), -0.5)
self.assertEqual(s(1.0), 0.0)
self.assertEqual(s(1.5), 0.5)
self.assertEqual(s(2.0), 1.0)
self.assertEqual(s(2.5), 1.5)
self.assertEqual(s.invert(-0.5), 0.5)
self.assertEqual(s.invert( 0.0), 1.0)
self.assertEqual(s.invert( 0.5), 1.5)
self.assertEqual(s.invert( 1.0), 2.0)
self.assertEqual(s.invert( 1.5), 2.5)
def test_23(self):
"""
linear.clamp(true) restricts output values to the range
"""
self.assertEqual(scale.linear(range=[10, 20],clamp=True)(2), 20)
self.assertEqual(scale.linear(range=[10, 20],clamp=True)(-1), 10)
def test_37(self):
"""
linear.ticks() is an alias for linear.ticks(10)
"""
s = scale.linear()
self.assertEqual(s.ticks(), s.ticks(10))
def test_24(self):
"""
linear.clamp(true) restricts input values to the domain
"""
self.assertEqual(scale.linear(range=[10, 20],clamp=True).invert(30), 1)
self.assertEqual(scale.linear(range=[10, 20],clamp=True).invert(0), 0)
def test_8(self):
"""
linear.invert(y) maps a range value y to a domain value x
"""
s = scale.linear(range=[1,2])
self.assertEqual(s.invert(1.5), .5)
def test_30(self):
"""
linear.nice(count) has no effect on degenerate domains
"""
self.assertEqual(scale.linear(domain=[0,0]).nice(10).domain, [0, 0])
self.assertEqual(scale.linear(domain=[.5,.5]).nice(10).domain, [.5, .5])
def test_37(self):
"""
linear.ticks() is an alias for linear.ticks(10)
"""
s = scale.linear();
self.assertEqual(s.ticks(), s.ticks(10))
def test_27(self):
"""
linear.nice() is an alias for linear.nice(10)
"""
self.assertEqual(scale.linear(domain=[0, .96]).nice().domain, [0, 1])
self.assertEqual(scale.linear(domain=[0, 96]).nice().domain, [0, 100])
def test_27(self):
"""
linear.nice() is an alias for linear.nice(10)
"""
self.assertEqual(scale.linear(domain=[0,.96]).nice().domain, [0, 1])
self.assertEqual(scale.linear(domain=[0,96]).nice().domain, [0, 100])
def test_8(self):
"""
linear.invert(y) maps a range value y to a domain value x
"""
s = scale.linear(range=[1, 2])
self.assertEqual(s.invert(1.5), .5)
def test_23(self):
"""
linear.clamp(true) restricts output values to the range
"""
self.assertEqual(scale.linear(range=[10, 20], clamp=True)(2), 20)
self.assertEqual(scale.linear(range=[10, 20], clamp=True)(-1), 10)
