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require "test/unit"
require 'SVG/Graph/DataPoint'
class TestDataPoint < Test::Unit::TestCase
def setup
DataPoint.reset_shape_criteria
end
def teardown
DataPoint.reset_shape_criteria
end
def test_default_shape_is_circle_with_2_point_5_radius
assert_equal([['circle', {
"cx" => 100.0,
"cy" => 100.0,
"r" => "2.5",
"class" => "dataPoint1"
}]], DataPoint.new(100.0, 100.0, 1).shape)
end
def test_default_shape_based_on_description_without_criteria_is_circle_with_2_point_5_radius
assert_equal([['circle', {
"cx" => 100.0,
"cy" => 100.0,
"r" => "2.5",
"class" => "dataPoint1"
}]], DataPoint.new(100.0, 100.0, 1).shape("description"))
end
def test_shape_for_matching_regular_expression_is_lambda_value
DataPoint.configure_shape_criteria(
[/angle/, lambda{|x,y,line| ['rect', {
"x" => x,
"y" => y,
"width" => "5",
"height" => "5",
"class" => "dataPoint#{line}"
}]
}]
)
assert_equal([['rect', {
"x" => 100.0,
"y" => 50.0,
"width" => "5",
"height" => "5",
"class" => "dataPoint2"
}]], DataPoint.new(100.0, 50.0, 2).shape("rectangle"))
end
def test_multiple_criteria_generate_shapes_in_order
DataPoint.configure_shape_criteria(
[/3/, lambda{|x,y,line| "three" }],
[/2/, lambda{|x,y,line| "two" }],
[/1/, lambda{|x,y,line| "one" }]
)
assert_equal(["three", "two", "one"], DataPoint.new(100.0, 50.0, 2).shape("1 3 2"))
end
def test_overlay_match_is_last_and_does_not_prevent_default
DataPoint.configure_shape_criteria(
[/3/, lambda{|x,y,line| "three" }, DataPoint::OVERLAY]
)
default_circle = ['circle', {
"cx" => 100.0,
"cy" => 50.0,
"r" => "2.5",
"class" => "dataPoint2"
}]
assert_equal([default_circle, "three"], DataPoint.new(100.0, 50.0, 2).shape("1 3 2"))
end
end
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