Added TickDuration (#10)

Added tests to .drone.yml

+ Added `mvn test` step to compliance

Merge branch 'master' of https://git.etztech.xyz/Minecraft/PluginAPI into time_parser

Added tests and renamed BukkitDuration to TickDuration

Added BukkitDuration

+ Designed for parsing time arguments easily

Co-authored-by: Joey Hines <joey@ahines.net>
Reviewed-on: https://git.etztech.xyz/Minecraft/PluginAPI/pulls/10
Reviewed-by: Etzelia <etzelia@hotmail.com>

.drone.yml

@@ -11,7 +11,8 @@ steps:
   pull: always
   image: maven:3-alpine
   commands:
-  - mvn install
+  - mvn install -DskipTests=true -B -V
+  - mvn test -B
 
 ---
 kind: pipeline

pom.xml

@@ -37,6 +37,18 @@
             <artifactId>h2</artifactId>
             <version>1.4.200</version>
         </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <repositories>
@@ -56,6 +68,7 @@
             <id>jitpack.io</id>
             <url>https://jitpack.io</url>
         </repository>
+
     </repositories>
 
     <distributionManagement>
@@ -64,5 +77,4 @@
             <url>https://repo.etztech.xyz/releases</url>
         </repository>
     </distributionManagement>
-
 </project>

src/main/java/xyz/etztech/core/command/TickDuration.java

@@ -0,0 +1,60 @@
+package xyz.etztech.core.command;
+
+import java.time.Duration;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class TickDuration {
+
+    private Duration duration;
+
+    public TickDuration(Duration duration) {
+        this.duration = duration;
+    }
+
+    public long toTicks() {
+        return duration.getSeconds()*20;
+    }
+
+    public Duration getDuration() {
+        return duration;
+    }
+
+    /**
+     * Converts a time string (e.g. 10h1m3s) into a TickDuration
+     * @param time time string
+     * @return TickDuration
+     * @throws Exception on invalid time string
+     */
+    public static TickDuration parse(String time) throws Exception {
+        String timePattern = "(?:(?<hours>\\d+)h)?(?:(?<minutes>\\d+)m)?(?:(?<seconds>\\d+)s)?";
+        Pattern pattern = Pattern.compile(timePattern);
+        Matcher match = pattern.matcher(time);
+        Duration duration = Duration.ZERO;
+
+        if (!match.matches()) {
+            throw new Exception("Time format does not match");
+        }
+
+        String hourString = match.group("hours");
+        if (hourString != null) {
+            int hours = Integer.parseInt(hourString);
+            duration = duration.plusHours(hours);
+        }
+
+        String minuteString = match.group("minutes");
+        if (minuteString != null) {
+            int minutes = Integer.parseInt(minuteString);
+            duration = duration.plusMinutes(minutes);
+        }
+
+        String secondString = match.group("seconds");
+        if (secondString != null) {
+            int seconds = Integer.parseInt(secondString);
+            duration = duration.plusSeconds(seconds);
+        }
+
+        return new TickDuration(duration);
+    }
+}

src/test/java/xyz/etztech/core/command/TickDurationTest.java

@@ -0,0 +1,35 @@
+package xyz.etztech.core.command;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class TickDurationTest {
+    @Test
+    void parse() {
+        try {
+            TickDuration tickDuration = TickDuration.parse("1s");
+            assertEquals(20, tickDuration.toTicks());
+
+            tickDuration = TickDuration.parse("1m");
+            assertEquals(20*60, tickDuration.toTicks());
+
+            tickDuration = TickDuration.parse("1h");
+            assertEquals(20*60*60, tickDuration.toTicks());
+
+            tickDuration = TickDuration.parse("5h1m30s");
+            assertEquals(20*60*60*5 + 60*20 + 30*20, tickDuration.toTicks());
+        }
+        catch (Exception e) {
+            fail("Unable to parse time string");
+        }
+
+        try {
+            TickDuration tickDuration = TickDuration.parse("not a time");
+            fail();
+        }
+        catch (Exception e) {
+
+        }
+    }
+}