content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.security.authorization;
  
  import static org.junit.Assert.assertEquals;
  
  import alluxio.exception.ExceptionMessage;
  
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  
  /**
   * Tests for the {@code ModeParser}.
   * @author rvesse
   *
   */
  public final class ModeParserTest {
  
    /**
     * The exception expected to be thrown.
     */
    @Rule
    public ExpectedException mThrown = ExpectedException.none();
  
    @Test
    public void numerics() {
      Mode parsed = ModeParser.parse("777");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.ALL, parsed.getGroupBits());
      assertEquals(Mode.Bits.ALL, parsed.getOtherBits());
  
      parsed = ModeParser.parse("755");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ_EXECUTE, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ_EXECUTE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("644");
      assertEquals(Mode.Bits.READ_WRITE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ, parsed.getOtherBits());
    }
  
    @Test
    public void symbolicsSeparated() {
      Mode parsed = ModeParser.parse("u=rwx,g=rwx,o=rwx");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.ALL, parsed.getGroupBits());
      assertEquals(Mode.Bits.ALL, parsed.getOtherBits());
  
      parsed = ModeParser.parse("u=rwx,g=rx,o=rx");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ_EXECUTE, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ_EXECUTE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("u=rw,g=r,o=r");
      assertEquals(Mode.Bits.READ_WRITE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ, parsed.getOtherBits());
    }
  
    @Test
    public void symbolicsCombined() {
      Mode parsed = ModeParser.parse("a=rwx");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.ALL, parsed.getGroupBits());
      assertEquals(Mode.Bits.ALL, parsed.getOtherBits());
  
      parsed = ModeParser.parse("ugo=rwx");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.ALL, parsed.getGroupBits());
      assertEquals(Mode.Bits.ALL, parsed.getOtherBits());
  
      parsed = ModeParser.parse("u=rwx,go=rx");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ_EXECUTE, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ_EXECUTE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("u=rw,go=r");
      assertEquals(Mode.Bits.READ_WRITE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ, parsed.getOtherBits());
    }
  
    @Test
    public void symbolicsCumulative() {
      Mode parsed = ModeParser.parse("u=r,u=w,u=x");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.NONE, parsed.getGroupBits());
      assertEquals(Mode.Bits.NONE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("g=r,g=w,g=x");
      assertEquals(Mode.Bits.NONE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.ALL, parsed.getGroupBits());
      assertEquals(Mode.Bits.NONE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("o=r,o=w,o=x");
      assertEquals(Mode.Bits.NONE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.NONE, parsed.getGroupBits());
      assertEquals(Mode.Bits.ALL, parsed.getOtherBits());
    }
  
    @Test
    public void symbolicsPartial() {
      Mode parsed = ModeParser.parse("u=rwx");
      assertEquals(Mode.Bits.ALL, parsed.getOwnerBits());
      assertEquals(Mode.Bits.NONE, parsed.getGroupBits());
      assertEquals(Mode.Bits.NONE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("go=rw");
      assertEquals(Mode.Bits.NONE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.READ_WRITE, parsed.getGroupBits());
      assertEquals(Mode.Bits.READ_WRITE, parsed.getOtherBits());
  
      parsed = ModeParser.parse("o=x");
      assertEquals(Mode.Bits.NONE, parsed.getOwnerBits());
      assertEquals(Mode.Bits.NONE, parsed.getGroupBits());
      assertEquals(Mode.Bits.EXECUTE, parsed.getOtherBits());
    }
  
    @Test
    public void symbolicsBadEmpty() {
      mThrown.expect(IllegalArgumentException.class);
      mThrown.expectMessage(ExceptionMessage.INVALID_MODE.getMessage(""));
      ModeParser.parse("");
    }
  
    @Test
    public void symbolicsBadNull() {
      mThrown.expect(IllegalArgumentException.class);
      mThrown.expectMessage(ExceptionMessage.INVALID_MODE.getMessage((Object) null));
      ModeParser.parse(null);
    }
  
    @Test
    public void symbolicsBadWhitespace() {
      mThrown.expect(IllegalArgumentException.class);
      mThrown.expectMessage(ExceptionMessage.INVALID_MODE.getMessage("  "));
      ModeParser.parse("  ");
    }
  
    @Test
    public void symbolicsBadNoSeparator() {
      mThrown.expect(IllegalArgumentException.class);
      mThrown.expectMessage(ExceptionMessage.INVALID_MODE_SEGMENT.getMessage("u=rwx,foo", "foo"));
      ModeParser.parse("u=rwx,foo");
    }
  
    @Test
    public void symbolicsBadTargets() {
      mThrown.expect(IllegalArgumentException.class);
      mThrown.expectMessage(ExceptionMessage.INVALID_MODE_SEGMENT.getMessage("f=r", "f=r", "f"));
      ModeParser.parse("f=r");
    }
  
    @Test
    public void symbolicsBadPermissions() {
      mThrown.expect(IllegalArgumentException.class);
      mThrown.expectMessage(ExceptionMessage.INVALID_MODE_SEGMENT
          .getMessage("u=Xst", "u=Xst", "Xst"));
      ModeParser.parse("u=Xst");
    }
  }
  