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Contents
describe "d3-array - transformations" do
it "d3.merge" do
expect(D3.merge([[1], [2, 3]])).to eq([1, 2, 3])
end
it "d3.pairs" do
expect(D3.pairs([1, 2, 3, 4])).to eq([[1, 2], [2, 3], [3, 4]])
end
it "d3.permute" do
expect(D3.permute(["a", "b", "c"], [1, 2, 0])).to eq(["b", "c", "a"])
end
it "d3.shuffle" do
a = (1..20).to_a
b = (1..20).to_a
D3.shuffle(b) # modifies in place
expect(a).not_to eq(b) # 61 bit chance of random test fail
expect(a.sort).to eq(b.sort)
end
it "d3.ticks" do
expect(D3.ticks(1, 47, 5)).to eq([10, 20, 30, 40])
end
it "d3.tick_step" do
expect(D3.tick_step(1, 47, 5)).to eq(10)
end
it "d3.range" do
expect(D3.range(5)).to eq([0,1,2,3,4])
expect(D3.range(2, 7)).to eq([2,3,4,5,6])
expect(D3.range(10,50,5)).to eq([10,15,20,25,30,35,40,45])
expect(D3.range(0, 1, 0.2)).to eq([0, 0.2, 0.4, 0.6000000000000001, 0.8])
end
it "d3.transpose" do
expect(D3.transpose([[1,2],[3,4]])).to eq([[1,3],[2,4]])
end
it "d3.zip" do
expect(D3.zip([1, 2], [3, 4])).to eq([[1, 3], [2, 4]])
expect(D3.zip([1, 2, 5], [3, 4])).to eq([[1, 3], [2, 4]])
expect(D3.zip([1, 2], [3, 4, 5])).to eq([[1, 3], [2, 4]])
expect(D3.zip([1, 2], [3, 4], [5, 6])).to eq([[1, 3, 5], [2, 4, 6]])
expect(D3.zip([1, 2])).to eq([[1], [2]])
expect(D3.zip([1, 2], [])).to eq([])
expect(D3.zip([])).to eq([])
expect(D3.zip()).to eq([])
end
end
Version data entries
8 entries across 8 versions & 2 rubygems