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65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package snake
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestSnake(t *testing.T) {
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scenarios := []struct {
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state State
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expectedState State
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expectedAlive bool
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}{
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{
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state: State{
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snakePositions: []Position{{x: 5, y: 5}},
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direction: Right,
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lastTickDirection: Right,
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foodPosition: Position{x: 9, y: 9},
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},
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expectedState: State{
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snakePositions: []Position{{x: 6, y: 5}},
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direction: Right,
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lastTickDirection: Right,
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foodPosition: Position{x: 9, y: 9},
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},
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expectedAlive: true,
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},
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{
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state: State{
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snakePositions: []Position{{x: 5, y: 5}, {x: 4, y: 5}, {x: 4, y: 4}, {x: 5, y: 4}},
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direction: Up,
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lastTickDirection: Up,
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foodPosition: Position{x: 9, y: 9},
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},
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expectedState: State{},
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expectedAlive: false,
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},
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{
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state: State{
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snakePositions: []Position{{x: 5, y: 5}},
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direction: Right,
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lastTickDirection: Right,
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foodPosition: Position{x: 6, y: 5},
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},
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expectedState: State{
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snakePositions: []Position{{x: 6, y: 5}, {x: 5, y: 5}},
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direction: Right,
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lastTickDirection: Right,
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foodPosition: Position{x: 8, y: 8},
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},
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expectedAlive: true,
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},
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}
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for _, scenario := range scenarios {
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game := NewGame(10, 10, nil, func(string) {})
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game.randIntFn = func(int) int { return 8 }
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state, alive := game.tick(scenario.state)
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assert.Equal(t, scenario.expectedAlive, alive)
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assert.EqualValues(t, scenario.expectedState, state)
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}
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}
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