Made XmlMethodCall public and added a test.

src/main/java/org/jpeek/graph/XmlMethodArgs.java

@@ -54,6 +54,9 @@ final class XmlMethodArgs implements Text {
 
  @Override
  public String asString() throws IOException {
- return new Joined(":", this.method.xpath("args/arg/@type")).asString();
+ return new Joined(
+ ":",
+ this.method.xpath("op/args/arg/@type")
+ ).asString();
  }
 }

src/main/java/org/jpeek/graph/XmlMethodCall.java

@@ -32,11 +32,8 @@
  * Serialize method call to a string.
  *
  * @since 1.0
- * @todo #440:30min This class XmlMethodCall should be made public
- * and a test class named XmlMethodCallTest should be added to
- * verify its behaviour.
  */
-final class XmlMethodCall implements Text {
+public final class XmlMethodCall implements Text {
 
  /**
  * XML Call operation.
@@ -55,7 +52,7 @@ final class XmlMethodCall implements Text {
  @Override
  public String asString() throws IOException {
  return new Joined(
- "", this.call.xpath("name/text()").get(0),
+ "", this.call.xpath("op/name/text()").get(0),
  ".", new XmlMethodArgs(this.call).asString()
  ).asString();
  }

src/test/java/org/jpeek/graph/XmlMethodCallTest.java

@@ -0,0 +1,62 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017-2019 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.jpeek.graph;
+
+import com.jcabi.xml.XMLDocument;
+import java.io.IOException;
+import org.cactoos.text.Joined;
+import org.hamcrest.core.IsEqual;
+import org.junit.jupiter.api.Test;
+import org.llorllale.cactoos.matchers.Assertion;
+
+/**
+ * Test case for {@link XmlMethodCall}.
+ * @since 0.44
+ */
+final class XmlMethodCallTest {
+
+ @Test
+ void hasClassMethodAndArgs() throws IOException {
+ new Assertion<>(
+ "Must have class name, method name and args.",
+ new XmlMethodCall(
+ new XMLDocument(
+ new Joined(
+ "",
+ "<op code=\"call\">",
+ " <name>OverloadMethods.methodOne</name>",
+ " <args>",
+ " <arg type=\"Ljava/lang/String\">?</arg>",
+ " <arg type=\"Z\">?</arg>",
+ " </args>",
+ "</op>"
+ ).asString()
+ )
+ ).asString(),
+ new IsEqual<>(
+ "OverloadMethods.methodOne.Ljava/lang/String:Z"
+ )
+ ).affirm();
+ }
+}