From 6e95419389fb388b6eba3b52a0ead837d7e4dc12 Mon Sep 17 00:00:00 2001
From: Alexey Zinchenko <alexey.zinchenko@protonmail.com>
Date: Sun, 26 May 2019 01:17:24 +0300
Subject: [PATCH] Added unit tests for formatter classes.

---
 .../CustomDateTimeFormatterUnitTest.java      | 43 +++++++++++++++++++
 .../OrderStatusFormatterUnitTest.java         | 40 +++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 src/test/java/com/github/prominence/carrepair/formatter/CustomDateTimeFormatterUnitTest.java
 create mode 100644 src/test/java/com/github/prominence/carrepair/formatter/OrderStatusFormatterUnitTest.java

diff --git a/src/test/java/com/github/prominence/carrepair/formatter/CustomDateTimeFormatterUnitTest.java b/src/test/java/com/github/prominence/carrepair/formatter/CustomDateTimeFormatterUnitTest.java
new file mode 100644
index 0000000..9b2b650
--- /dev/null
+++ b/src/test/java/com/github/prominence/carrepair/formatter/CustomDateTimeFormatterUnitTest.java
@@ -0,0 +1,43 @@
+package com.github.prominence.carrepair.formatter;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeParseException;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
+
+@RunWith(SpringRunner.class)
+public class CustomDateTimeFormatterUnitTest {
+
+    private CustomDateTimeFormatter customDateTimeFormatter = new CustomDateTimeFormatter();
+
+    @Test
+    public void whenParseNull_thenReturnNull() {
+        assertThat(customDateTimeFormatter.parse(null, null)).isNull();
+    }
+
+    @Test
+    public void whenPrintNull_thenReturnNUll() {
+        assertThat(customDateTimeFormatter.print(null, null)).isNull();
+    }
+
+    @Test
+    public void whenParseCorrectValue_thenReturnLocalDateTime() {
+        LocalDateTime expectedLocalDateTime = LocalDateTime.of(1996, 2, 7, 14, 12, 12);
+        assertThat(customDateTimeFormatter.parse("1996-02-07 14:12:12", null)).isEqualTo(expectedLocalDateTime);
+    }
+
+    @Test(expected = DateTimeParseException.class)
+    public void whenParseIncorrectValue_thenThrowAnException() {
+        // expected exception
+        customDateTimeFormatter.parse("qwerty", null);
+    }
+
+    @Test
+    public void whenPrintCorrectValue_thenReturnCorrectString() {
+        assertThat(customDateTimeFormatter.print(LocalDateTime.of(1996, 2, 7, 14, 12, 12), null)).isEqualTo("1996-02-07 14:12:12");
+    }
+}
diff --git a/src/test/java/com/github/prominence/carrepair/formatter/OrderStatusFormatterUnitTest.java b/src/test/java/com/github/prominence/carrepair/formatter/OrderStatusFormatterUnitTest.java
new file mode 100644
index 0000000..4f2f70f
--- /dev/null
+++ b/src/test/java/com/github/prominence/carrepair/formatter/OrderStatusFormatterUnitTest.java
@@ -0,0 +1,40 @@
+package com.github.prominence.carrepair.formatter;
+
+import com.github.prominence.carrepair.enums.OrderStatus;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
+
+@RunWith(SpringRunner.class)
+public class OrderStatusFormatterUnitTest {
+
+    private OrderStatusFormatter orderStatusFormatter = new OrderStatusFormatter();
+
+    @Test
+    public void whenParseNull_thenReturnNull() {
+        assertThat(orderStatusFormatter.parse(null, null)).isNull();
+    }
+
+    @Test
+    public void whenPrintNull_thenReturnNUll() {
+        assertThat(orderStatusFormatter.print(null, null)).isNull();
+    }
+
+    @Test
+    public void whenParseCorrectValue_thenReturnOrderStatus() {
+        assertThat(orderStatusFormatter.parse("Done", null)).isEqualTo(OrderStatus.DONE);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void whenParseIncorrectValue_thenThrowAnException() {
+        // expected exception
+        orderStatusFormatter.parse("Incorrect", null);
+    }
+
+    @Test
+    public void whenPrintCorrectValue_thenReturnCorrectString() {
+        assertThat(orderStatusFormatter.print(OrderStatus.SCHEDULED, null)).isEqualTo("Scheduled");
+    }
+}