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Diego Novais
Diego Novais

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Building the tests when the first player wins

#elixir #algorithms #webdev #tutorial

The first player wins when his item chosen is the most powerful.

  • When the first player chooses scissors and the second player chooses the paper: 
defmodule GameTest do use ExUnit.Case @stone 1 @paper 2 @scissor 3 # ... describe "Game.play/2 when first player wins" do test "when first player chooses scissor and second player chooses paper" do first_player_choice = @scissor second_player_choise = @paper assert {:ok, match} = Game.play(first_player_choice, second_player_choise) assert match == "First player win!!!" end end end
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  • When the first player chooses paper and the second player chooses the stone: 
defmodule GameTest do use ExUnit.Case @stone 1 @paper 2 @scissor 3 # ... describe "Game.play/2 when first player wins" do # ... test "when first player chooses paper and second player chooses stone" do first_player_choice = @paper second_player_choise = @stone assert {:ok, match} = Game.play(first_player_choice, second_player_choise) assert match == "First player win!!!" end end end
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  • When the first player chooses stone and the second player chooses the scissor: 
defmodule GameTest do use ExUnit.Case @stone 1 @paper 2 @scissor 3 # ... describe "Game.play/2 when first player wins" do # ... test "when first player chooses stone and second player chooses scissor" do first_player_choice = @stone second_player_choise = @scissor assert {:ok, match} = Game.play(first_player_choice, second_player_choise) assert match == "First player win!!!" end end end
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Let's look at the code of the tests when the game's result is "First player win!!!".

defmodule GameTest do use ExUnit.Case @stone 1 @paper 2 @scissor 3 # ... describe "Game.play/2 when first player wins" do test "when first player chooses scissor and second player chooses paper" do first_player_choice = @scissor second_player_choise = @paper assert {:ok, match} = Game.play(first_player_choice, second_player_choise) assert match == "First player win!!!" end test "when first player chooses paper and second player chooses stone" do first_player_choice = @paper second_player_choise = @stone assert {:ok, match} = Game.play(first_player_choice, second_player_choise) assert match == "First player win!!!" end test "when first player chooses stone and second player chooses scissor" do first_player_choice = @stone second_player_choise = @scissor assert {:ok, match} = Game.play(first_player_choice, second_player_choise) assert match == "First player win!!!" end end end
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In the next post, we'll code our module Game following the tests when the First Player wins.

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