Added a basic xml parser that deals with local files. TODO: add a url one. Also, added some tests to ensure it's ok. Needs some edge case testing still.

1 files changed, 88 insertions, 0 deletions

diff --git a/src/test/java/edu/brown/cs/student/XmlParserTest.java b/src/test/java/edu/brown/cs/student/XmlParserTest.java
new file mode 100644
index 0000000..d3bc4ff
--- /dev/null
+++ b/src/test/java/edu/brown/cs/student/XmlParserTest.java
@@ -0,0 +1,88 @@
+package edu.brown.cs.student;
+
+import edu.brown.cs.student.term.parsing.LocalXmlParser;
+import edu.brown.cs.student.term.parsing.UrlXmlParser;
+import edu.brown.cs.student.term.parsing.XmlParser;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import javax.print.Doc;
+
+import static org.junit.Assert.*;
+
+public class XmlParserTest {
+  private XmlParser _localXmlParser, _urlXmlParser;
+  private Document _doc;
+
+  @Before
+  public void setUp() {
+    _localXmlParser = new LocalXmlParser();
+    _urlXmlParser = new UrlXmlParser();
+  }
+
+  @After
+  public void tearDown() {
+    _localXmlParser = null;
+    _urlXmlParser = null;
+  }
+
+  @Test
+  public void parsesLocal(){
+    setUp();
+    Document doc = _localXmlParser.parse("data/xml_trade_test.xml");
+    assertNotNull(doc);
+
+    // Id of person
+    assertEquals(getIdFromDoc(doc), "0001561844");
+    tearDown();
+  }
+
+  @Test
+  public void parsesUrl(){
+    setUp();
+    Document doc =
+        _urlXmlParser.parse("https://www.sec.gov/Archives/edgar/data/1517006/000110465921046242/tm2112036-4_4seq1.xml");
+    assertNotNull(doc);
+
+    // Id of person
+    assertEquals(getIdFromDoc(doc), "0001561844");
+    tearDown();
+  }
+
+  public String getIdFromDoc(Document doc) {
+    // Id of person
+    NodeList idNode = doc.getElementsByTagName("rptOwnerCik");
+    assertEquals(idNode.getLength(), 1);
+    return idNode.item(0).getTextContent();
+  }
+
+  @Test
+  public void urlSameAsLocal(){
+    setUp();
+    Document local = _localXmlParser.parse("data/xml_trade_test.xml");
+    Document url =
+        _urlXmlParser.parse("https://www.sec.gov/Archives/edgar/data/1517006/000110465921046242/tm2112036-4_4seq1.xml");
+
+    assertEquals(getIdFromDoc(local), getIdFromDoc(url));
+    tearDown();
+  }
+
+  @Test
+  public void noFileExists(){
+    setUp();
+    tearDown();
+  }
+
+  @Test
+  public void badXmlFormat(){
+    setUp();
+    Document doc = _localXmlParser.parse("data/bad.xml");
+    assertNull(doc);
+    tearDown();
+  }
+}