#220 add tests

Author: anshooarora

src/test/java/com/aventstack/extentreports/reporter/SparkTagTest.java

@@ -0,0 +1,40 @@
+package com.aventstack.extentreports.reporter;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+import org.testng.Assert;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import com.aventstack.extentreports.ExtentReports;
+
+public class SparkTagTest {
+    private static final String PATH = "target/spark.html";
+    private static final String TAG = "TAG#1234";
+
+    private ExtentReports extent;
+
+    @BeforeMethod
+    public void before() {
+        extent = new ExtentReports();
+        extent.attachReporter(new ExtentSparkReporter(PATH));
+    }
+
+    @Test
+    public void testTag() throws IOException {
+        extent.createTest("Test").assignCategory(TAG);
+        extent.flush();
+        Assert.assertTrue(Files.readAllLines(new File(PATH).toPath()).stream()
+                .anyMatch(x -> x.contains(TAG)));
+    }
+
+    @Test
+    public void nodeTag() throws IOException {
+        extent.createTest("Test").createNode("Node").assignCategory(TAG);
+        extent.flush();
+        Assert.assertTrue(Files.readAllLines(new File(PATH).toPath()).stream()
+                .anyMatch(x -> x.contains(TAG)));
+    }
+}