研修内ワーク

Author: Ichy14

src/main/java/tddbc/ClosedRange.java

@@ -0,0 +1,33 @@
+package tddbc;
+
+public class ClosedRange {
+    Integer lowerPoint;
+    Integer upperPoint;
+
+    public ClosedRange(Integer input1, Integer input2){
+        if (input1 <= input2) {
+            lowerPoint = input1;
+            upperPoint = input2;
+        } else {
+            lowerPoint = input2;
+            upperPoint = input1;
+        }
+    }
+
+    public Integer getLowerPoint() {
+        return lowerPoint;
+    }
+
+    public Integer getUpperPoint() {
+        return upperPoint;
+    }
+
+//    "[" + input1.toString() +
+    //hoge(closedRande) -> "[1,2]"
+
+    public String makeFormatedString(Integer lowerPoint, Integer upperPoint){
+
+        return "[" + lowerPoint.toString() + "," + upperPoint.toString() + "]";
+    }
+}
+

src/main/java/tddbc/Sample.java

@@ -1,20 +1,57 @@
 package tddbc;
 
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.DisplayName;
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class SampleTest {
+    ClosedRange closedRange;
+
+    @BeforeEach
+    void beforeEach(){
+        closedRange = new ClosedRange(1, 2);
+    }
+
+    @Test
+    void lowerPointを取得できる(){
+        // given
+        Integer actual = closedRange.getLowerPoint();
+        Integer expected = 1;
+        // when
+        // then
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    void upperPointを取得できる(){
+        // given
+        Integer actual = closedRange.getUpperPoint();
+        Integer expected = 2;
+        // when
+        // then
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    void 想定するフォーマットに整形できる(){
+        // given
+        String expected = "[1,2]";
+        Integer input1 = 1;
+        Integer input2 = 2;
+        // when
+        String actual = closedRange.makeFormatedString(input1, input2);
+        // then
+        assertEquals(expected, actual);
+    }
 
     @Test
-    @DisplayName("should return Hello TDD Boot Camp")
-    public void _should_return_Hello_TDD_BootCamp() throws Exception {
-        // Setup
-        Sample sut = new Sample();
-        // Exercise
-        String actual = sut.say();
-        // Verify
-        assertEquals("Hello TDD BootCamp!", actual);
+    void 大小関係が整っている(){
+        // given
+        Boolean expected = true;
+        Boolean actual = closedRange.getLowerPoint() <= closedRange.getUpperPoint();
+        // when
+        // then
+        assertEquals(expected, actual);
     }
 
 }