ParserTest

pom.xml

@@ -21,9 +21,10 @@
 
   <dependencies>
     <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>5.13.1</version>
+      <scope>test</scope>
     </dependency>
   </dependencies>
 
@@ -69,6 +70,16 @@
         </plugin>
       </plugins>
     </pluginManagement>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>9</source>
+          <target>9</target>
+        </configuration>
+      </plugin>
+    </plugins>
   </build>
 
   <reporting>

src/main/java/de/vimo/Main.java

@@ -0,0 +1,22 @@
+package de.vimo;
+
+import de.vimo.core.Line;
+import de.vimo.core.Parser;
+
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        Parser parser = null;
+
+        while (true) {
+            String raw = scanner.nextLine();
+            Line line = parser.parse(raw);
+
+            if (line.getCommand() != null) {
+                // line.getCommand().exec(line.getFlags(), line.getArgs());
+            }
+        }
+    }
+}

src/main/java/de/vimo/command/CdCommand.java

@@ -0,0 +1,26 @@
+package de.vimo.command;
+
+import de.vimo.core.Argument;
+import de.vimo.core.Command;
+import de.vimo.core.Flag;
+
+import java.util.List;
+
+public class CdCommand implements Command {
+
+    @Override
+    public int exec(List<Flag> flags, List<Argument> args) {
+        return 0;
+    }
+
+    @Override
+    public String getName() {
+        return null;
+    }
+
+    @Override
+    public List<Flag> getFlags() {
+        return null;
+    }
+}
+

src/main/java/de/vimo/command/HelpCommand.java

@@ -0,0 +1,25 @@
+package de.vimo.command;
+
+import de.vimo.core.Argument;
+import de.vimo.core.Command;
+import de.vimo.core.Flag;
+
+import java.util.List;
+
+public class HelpCommand implements Command {
+
+    @Override
+    public int exec(List<Flag> flags, List<Argument> args) {
+        return 0;
+    }
+
+    @Override
+    public String getName() {
+        return null;
+    }
+
+    @Override
+    public List<Flag> getFlags() {
+        return null;
+    }
+}

src/main/java/de/vimo/command/LsCommand.java

@@ -0,0 +1,25 @@
+package de.vimo.command;
+
+import de.vimo.core.Argument;
+import de.vimo.core.Command;
+import de.vimo.core.Flag;
+
+import java.util.List;
+
+public class LsCommand implements Command {
+
+    @Override
+    public int exec(List<Flag> flags, List<Argument> args) {
+        return 0;
+    }
+
+    @Override
+    public String getName() {
+        return null;
+    }
+
+    @Override
+    public List<Flag> getFlags() {
+        return null;
+    }
+}

src/main/java/de/vimo/command/MkdirCommand.java

@@ -0,0 +1,25 @@
+package de.vimo.command;
+
+import de.vimo.core.Argument;
+import de.vimo.core.Command;
+import de.vimo.core.Flag;
+
+import java.util.List;
+
+public class MkdirCommand implements Command {
+
+    @Override
+    public int exec(List<Flag> flags, List<Argument> args) {
+        return 0;
+    }
+
+    @Override
+    public String getName() {
+        return null;
+    }
+
+    @Override
+    public List<Flag> getFlags() {
+        return null;
+    }
+}

src/main/java/de/vimo/core/Argument.java

@@ -0,0 +1,15 @@
+package de.vimo.core;
+
+public class Argument {
+
+    private final String value;
+
+    public Argument(String value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value;
+    }
+}
+

src/main/java/de/vimo/core/Command.java

@@ -0,0 +1,12 @@
+package de.vimo.core;
+
+import java.util.List;
+
+public interface Command {
+
+    int exec(List<Flag> flags, List<Argument> args);
+
+    String getName();
+
+    List<Flag> getFlags();
+}

src/main/java/de/vimo/core/Flag.java

@@ -0,0 +1,28 @@
+package de.vimo.core;
+
+public class Flag {
+
+    private final String shortName;
+
+    private final String longName;
+
+    private final String description;
+
+    public Flag(String shortName, String longName, String description) {
+        this.shortName = shortName;
+        this.longName = longName;
+        this.description = description;
+    }
+
+    public String getShortName() {
+        return shortName;
+    }
+
+    public String getLongName() {
+        return longName;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

src/main/java/de/vimo/core/Line.java

@@ -0,0 +1,73 @@
+package de.vimo.core;
+
+import java.util.List;
+
+public class Line {
+
+    private final String command;
+
+    private final List<String> flags;
+
+    private final List<String> args;
+
+    public Line(String command, List<String> flags, List<String> args) {
+        this.command = command;
+        this.flags = flags;
+        this.args = args;
+    }
+
+    public String getCommand() {
+        return command;
+    }
+
+    public List<String> getFlags() {
+        return flags;
+    }
+
+    public List<String> getArgs() {
+        return args;
+    }
+
+//    @Override
+//    public Line parse(String raw) {
+//        String regex = "[\\s]";
+//        String[] myArray = raw.split(regex);
+//
+//        for (int i = 1; i < myArray.length; i++) {
+//            if (myArray[i].contains("-")) {
+//                flags.add(myArray[i]);
+//            } else {
+//                args.add(myArray[i]);
+//            }
+//        }
+//
+//        return new Line(myArray[0], flags, args);
+//    }
+
+//
+//    --- Please ignore this ---
+//
+//    private final Command command;
+//
+//    private final List<Flag> flags;
+//
+//    private final List<Argument> args;
+//
+//    public Line(Command command, List<Flag> flags, List<Argument> args) {
+//        this.command = command;
+//        this.flags = flags;
+//        this.args = args;
+//    }
+//
+//    public Command getCommand() {
+//        return command;
+//    }
+//
+//    public List<Flag> getFlags() {
+//        return flags;
+//    }
+//
+//    public List<Argument> getArgs() {
+//        return args;
+//    }
+}

src/main/java/de/vimo/core/Parser.java

@@ -0,0 +1,6 @@
+package de.vimo.core;
+
+public interface Parser {
+
+    Line parse(String raw);
+}

src/test/java/de/vimo/AppTest.java

@@ -1,38 +0,0 @@
-package de.vimo;
-
-import junit.framework.Test;
-import junit.framework.TestCase;
-import junit.framework.TestSuite;
-
-/**
- * Unit test for simple App.
- */
-public class AppTest
-    extends TestCase
-{
-    /**
-     * Create the test case
-     *
-     * @param testName name of the test case
-     */
-    public AppTest( String testName )
-    {
-        super( testName );
-    }
-
-    /**
-     * @return the suite of tests being tested
-     */
-    public static Test suite()
-    {
-        return new TestSuite( AppTest.class );
-    }
-
-    /**
-     * Rigourous Test :-)
-     */
-    public void testApp()
-    {
-        assertTrue( true );
-    }
-}

src/test/java/de/vimo/core/ParserTest.java

@@ -0,0 +1,57 @@
+package de.vimo.core;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+
+public class ParserTest
+{
+    @Test
+    public void testParser() {
+        Parser parser = new Parser() {
+            @Override
+            public Line parse(String raw) {
+                String regex = "[\\s]";
+                List<String> flagsS = new ArrayList<>(List.of());
+                List<String> flagAll = new ArrayList<>(List.of());
+                String result = "";
+                List<String> argsS = new ArrayList<>(List.of());
+                String[] myArray = raw.split(regex);
+
+                for (int i = 1; i < myArray.length; i++) {
+                    if (myArray[i].contains("-")) {
+                        result = myArray[i].replace("-","");
+                        flagsS = List.of(result.split(""));
+                        flagAll.addAll(flagsS);
+                    } else {
+                        argsS.add(myArray[i]);
+                    }
+                }
+                return new Line(myArray[0], flagAll, argsS);
+            }
+        }; // <-- Your implementation goes here
+
+        testInput(parser, "ls", "ls", List.of(), List.of());
+        testInput(parser, "ls -la", "ls", List.of("l", "a"), List.of());
+        testInput(parser, "ls ./hello/world", "ls", List.of(), List.of("./hello/world"));
+        testInput(parser, "ls -la ./what", "ls", List.of("l", "a"), List.of("./what"));
+        testInput(parser, "rm -r /bin /opt", "rm", List.of("r"), List.of("/bin", "/opt"));
+        testInput(parser, "cd .", "cd", List.of(), List.of("."));
+        testInput(parser, "mkdir .", "mkdir", List.of(), List.of("."));
+        testInput(parser, "super -abc -de -f super nice danke paul", "super", List.of("a", "b", "c", "d", "e", "f"), List.of("super", "nice", "danke", "paul"));
+    }
+
+    private void testInput(Parser parser, String input, String expectedCommand, List<String> expectedFlags, List<String> expectedArgs) {
+        Line line = parser.parse(input);
+
+        assertEquals(expectedCommand, line.getCommand(), "Wrong command");
+        assertEquals(expectedFlags, line.getFlags(), "Wrong flags");
+        assertEquals(expectedArgs, line.getArgs(), "Wrong args");
+    }
+}