55 lines
1.3 KiB
Elixir
55 lines
1.3 KiB
Elixir
defmodule BlanksTest do
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use ExUnit.Case, async: true
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test "simple replacement" do
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ast = quote do: 1 + ___
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mangled = Blanks.replace(ast, 37)
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assert {:+, [context: BlanksTest, import: Kernel], [1, 37]} == mangled
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end
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test "Work with multiple different replacements" do
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[koan | _] = SampleKoan.all_koans
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assert :ok == apply(SampleKoan, koan, [{:multiple, [3,4]}])
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end
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def complex_example do
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[head | tail] = [1,2,3,4]
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assert head == 1
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assert tail == [2,3,4]
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end
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def foo(answer) do
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if answer == :yes do
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:bar
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else
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:batz
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end
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end
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test "complex example" do
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ast = [do: {:assert, [line: 5], [{:==, [line: 5], [true, {:___, [], __MODULE__}]}]}]
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assert [do: {:assert, [line: 5], [{:==, [line: 5], [true, true]}]}] == Blanks.replace(ast, true)
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end
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test "multiple arguments" do
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ast = [do: {:assert, [line: 5], [{:==, [line: 5], [{:___, [], __MODULE__}, {:___, [], __MODULE__}]}]}]
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assert [do: {:assert, [line: 5], [{:==, [line: 5], [true, false]}]}] == Blanks.replace(ast, [true, false])
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end
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test "counts simple blanks" do
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ast = quote do: 1 + ___
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assert Blanks.count(ast) == 1
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end
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test "counts multiple blanks" do
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ast = [do: {:assert, [line: 5], [{:==, [line: 5], [{:___, [], __MODULE__}, {:___, __MODULE__}]}]}]
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assert Blanks.count(ast) == 2
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end
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end
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