[tor-commits] [metrics-lib/master] Added simple tests for DescriptorImpl.

[karsten@xxxxxxxxxxxxxx]

commit a3f4168467fc1823aab68ac587a60a2968388850
Author: iwakeh <iwakeh@xxxxxxxxxxxxxx>
Date:   Sun Jun 4 20:58:32 2017 +0000

    Added simple tests for DescriptorImpl.
---
 .../descriptor/impl/DescriptorImplTest.java        | 147 +++++++++++++++++++++
 1 file changed, 147 insertions(+)

diff --git a/src/test/java/org/torproject/descriptor/impl/DescriptorImplTest.java b/src/test/java/org/torproject/descriptor/impl/DescriptorImplTest.java
new file mode 100644
index 0000000..cbe57ff
--- /dev/null
+++ b/src/test/java/org/torproject/descriptor/impl/DescriptorImplTest.java
@@ -0,0 +1,147 @@
+/* Copyright 2017 The Tor Project
+ * See LICENSE for licensing information */
+
+package org.torproject.descriptor.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import java.util.List;
+
+/* Test parsing of descriptors. */
+public class DescriptorImplTest {
+
+  @Rule
+  public ExpectedException thrown = ExpectedException.none();
+
+  private static final String DESC = Key.CRYPTO_BEGIN.keyword
+      + "\ncryptostuff\ncryptique\n" + Key.CRYPTO_END.keyword;
+  private static final String KW = "dummy-kw";
+  private static final String NL = "\n";
+  private static final byte[] DESCBYTES1 = DESC.getBytes();
+  private static final byte[] DESCBYTES2 = (DESC + "\n" + DESC).getBytes();
+  private static final byte[] DESCBYTES3
+      = (KW + NL + DESC + KW + NL + DESC + KW + NL).getBytes();
+
+  @Test
+  public void testSplitByKey() throws Exception {
+    TestDescriptor des = makeTestDesc(DESCBYTES2);
+    List<int[]> res = des.splitByKey(Key.CRYPTO_BEGIN, 0, DESCBYTES2.length,
+        false);
+    int count = 0;
+    for (int[] i : res) {
+      assertEquals("Offset.", count * 42, i[0]);
+      assertEquals("Length.", 42 - count++, i[1]);
+    }
+  }
+
+  @Test
+  public void testDigestsSha256Base64() throws Exception {
+    TestDescriptor des = makeTestDesc(DESCBYTES3);
+    des.calculateDigestSha256Base64(KW);
+    assertEquals("1bEECw9nT5KRzPG8dAzEFJgSI4OBQfyWn+wjREb8oa8",
+        des.getDigestSha256Base64());
+    assertNull(des.getDigestSha1Hex());
+  }
+
+  private TestDescriptor makeTestDesc(byte[] bytes) throws Exception {
+    return new TestDescriptor(bytes, new int[]{0, bytes.length}, false, false);
+  }
+
+  @Test
+  public void testDigestsSha256Base64EndToken() throws Exception {
+    TestDescriptor des = this.makeTestDesc(DESCBYTES3);
+    des.calculateDigestSha256Base64(KW, KW);
+    assertEquals("MHFj9sNLRXdDo/O62uJgNujuNnNbCtpUZiGwthfLH9E",
+        des.getDigestSha256Base64());
+    assertNull(des.getDigestSha1Hex());
+  }
+
+  @Test
+  public void testDigestsSha1Hex() throws Exception {
+    TestDescriptor des = makeTestDesc(DESCBYTES3);
+    des.calculateDigestSha1Hex(KW, KW);
+    assertEquals("2fc934e9523937c07cb9f4b395827a11c7b18c9d",
+        des.getDigestSha1Hex());
+    assertNull(des.getDigestSha256Base64());
+  }
+
+  @Test
+  public void testDigestsSha1HexNoToken() throws Exception {
+    TestDescriptor des = makeTestDesc(DESCBYTES1);
+    this.thrown.expect(DescriptorParseException.class);
+    this.thrown.expectMessage("Could not calculate descriptor digest.");
+    des.calculateDigestSha1Hex(KW, KW);
+  }
+
+  @Test
+  public void testNoAnnotation() throws Exception {
+    this.thrown.expect(DescriptorParseException.class);
+    this.thrown.expectMessage("Annotation line does not contain a newline.");
+    TestDescriptor des = makeTestDesc("@@@".getBytes());
+  }
+
+  @Test
+  public void testDescriptorEmpty() throws Exception {
+    this.thrown.expect(DescriptorParseException.class);
+    this.thrown.expectMessage("Descriptor is empty.");
+    TestDescriptor des = makeTestDesc("".getBytes());
+  }
+
+  @Test
+  public void testDescriptorBlankLine() throws Exception {
+    this.thrown.expect(DescriptorParseException.class);
+    this.thrown.expectMessage("Blank lines are not allowed.");
+    TestDescriptor des = makeTestDesc("\n\n".getBytes());
+  }
+
+  @Test
+  public void testDigestsNothing() throws Exception {
+    TestDescriptor des = makeTestDesc("\n".getBytes());
+    des.checkFirstKey(Key.EMPTY);
+    des.checkLastKey(Key.EMPTY);
+  }
+
+  @Test
+  public void testDigestsOnlyAnnotations() throws Exception {
+    TestDescriptor des = makeTestDesc("@a@b\n".getBytes());
+    des.checkFirstKey(Key.EMPTY);
+    des.checkLastKey(Key.EMPTY);
+  }
+
+  @Test
+  public void testDigestsSha256Base64NoToken() throws Exception {
+    TestDescriptor des = makeTestDesc(DESCBYTES1);
+    this.thrown.expect(DescriptorParseException.class);
+    this.thrown.expectMessage("Could not calculate descriptor digest.");
+    des.calculateDigestSha256Base64(KW);
+  }
+
+  @Test
+  public void testDigestsSha256Base64NoReCalculation() throws Exception {
+    TestDescriptor des = makeTestDesc(DESCBYTES3);
+    des.calculateDigestSha256Base64(KW);
+    String digest = des.getDigestSha256Base64();
+    assertEquals("1bEECw9nT5KRzPG8dAzEFJgSI4OBQfyWn+wjREb8oa8", digest);
+    des.calculateDigestSha256Base64(Key.CRYPTO_END.keyword);
+    digest = des.getDigestSha256Base64();
+    assertEquals("1bEECw9nT5KRzPG8dAzEFJgSI4OBQfyWn+wjREb8oa8", digest);
+  }
+
+  class TestDescriptor extends DescriptorImpl {
+
+    protected TestDescriptor(byte[] rawDescriptorBytes, int[] offsetAndLength,
+        boolean failUnrecognizedDescriptorLines, boolean blankLinesAllowed)
+        throws DescriptorParseException {
+      super(rawDescriptorBytes, offsetAndLength,
+          failUnrecognizedDescriptorLines, blankLinesAllowed);
+    }
+  }
+
+}
+
+

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