test: BaseballGameTurnInput 검증 테스트 추가

Author: dukcode

src/test/java/com/kakao/onboarding/precource/dukeyun/baseball/baseball/BaseballGameTurnInputTest.java

@@ -0,0 +1,41 @@
+package com.kakao.onboarding.precource.dukeyun.baseball.baseball;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import org.junit.jupiter.api.DisplayNameGeneration;
+import org.junit.jupiter.api.DisplayNameGenerator;
+import org.junit.jupiter.api.Test;
+
+@DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores.class)
+class BaseballGameTurnInputTest {
+
+	@Test
+	public void 세자리가_아닌_숫자가_들어오면_예외를_발생시킨다() throws Exception {
+		// given
+		// when
+		//then
+		assertThatThrownBy(() -> {
+			new BaseballGameTurnInput("1234");
+		}).isInstanceOf(RuntimeException.class);
+	}
+
+	@Test
+	public void 숫자가_아니면_예외를_발생시킨다() throws Exception {
+		// given
+		// when
+		//then
+		assertThatThrownBy(() -> {
+			new BaseballGameTurnInput("1aa");
+		}).isInstanceOf(IllegalArgumentException.class);
+	}
+
+	@Test
+	public void 중복된_숫자면_예외를_발생시킨다() throws Exception {
+		// given
+		// when
+		//then
+		assertThatThrownBy(() -> {
+			new BaseballGameTurnInput("112");
+		}).isInstanceOf(RuntimeException.class);
+	}
+}