Merge pull request lucaminudel#19 from saleem/master

@saleem: unit tests for the text converter solution

TDDMicroExercises.YoursSolutions/Java-Saleem-Siddiqui/build.gradle

@@ -1,13 +1,12 @@
 apply plugin: 'java'
 apply plugin: 'idea'
-apply plugin: 'application'
 
 sourceCompatibility = 1.7
 version = '1.0'
 
 jar {
     manifest {
-    attributes 'Implementation-Title': 'TDD Micro Exercises - Java', 'Implementation-Version': version
+        attributes 'Implementation-Title': 'TDD Micro Exercises - Java', 'Implementation-Version': version
     }
 }
 
@@ -16,8 +15,14 @@ repositories {
 }
 
 dependencies {
+    compile group: 'org.apache.commons', name: 'commons-lang3', version : '3.1'
+
     // hamcrest has to be before junit: http://stackoverflow.com/questions/7869711/getting-nosuchmethoderror-org-hamcrest-matcher-describemismatch-when-running
     testCompile group: 'org.hamcrest', name: 'hamcrest-all', version: '1.3'
     testCompile group: 'junit', name: 'junit', version: '4.+'
     testCompile group: 'org.mockito', name: 'mockito-all', version: '1.9.5'
+    testCompile group: 'org.powermock', name: 'powermock-api-mockito', version: '1.5.1'
+    testCompile('org.powermock:powermock-module-junit4:1.5.1') {
+        exclude module: 'junit'
+    }
 }

TDDMicroExercises.YoursSolutions/Java-Saleem-Siddiqui/src/main/java/tddmicroexercises/textconverter/UnicodeFileToHtmlTextConverter.java

@@ -0,0 +1,33 @@
+package tddmicroexercises.textconverter;
+
+import org.apache.commons.lang3.StringEscapeUtils;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class UnicodeFileToHtmlTextConverter
+{
+    private String fullFilenameWithPath;
+
+    public UnicodeFileToHtmlTextConverter(String fullFilenameWithPath)
+    {
+        this.fullFilenameWithPath = fullFilenameWithPath;
+    }
+
+    public String convertToHtml() throws IOException{
+
+	BufferedReader reader = new BufferedReader(new FileReader(fullFilenameWithPath));
+
+	String line = reader.readLine();
+	String html = "";
+	while (line != null)
+            {
+		html += StringEscapeUtils.escapeHtml4(line);
+		html += "<br />";
+		line = reader.readLine();
+            }
+	return html;
+
+    }
+}

TDDMicroExercises.YoursSolutions/Java-Saleem-Siddiqui/src/test/java/tddmicroexercises/textconverter/UnicodeFileToHtmlTextConverterTest.java

@@ -0,0 +1,69 @@
+package tddmicroexercises.textconverter;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.BufferedWriter;
+import org.junit.Before;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.apache.commons.lang3.StringEscapeUtils;
+import static org.junit.Assert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.powermock.api.mockito.PowerMockito.*;
+import static org.mockito.Mockito.anyString;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({UnicodeFileToHtmlTextConverter.class, StringEscapeUtils.class})
+public class UnicodeFileToHtmlTextConverterTest {
+    private static final String FILE_NAME = "temp";
+    private static final String FILE_EXT = "test";
+    private File tempInputFile;   
+
+    @Before
+    public void setUp() throws Exception {
+	tempInputFile = File.createTempFile(FILE_NAME, FILE_EXT);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+	tempInputFile.delete();
+    }
+
+    private void writeToTempInputFile(String contents) throws Exception {
+	BufferedWriter out = new BufferedWriter(new FileWriter(tempInputFile));
+	out.write(contents);
+	out.close();
+    }
+
+    @Test
+    public void convertAppendsLineBreakTagToEndOfSimpleOneLine() throws Exception {
+	writeToTempInputFile("Hello World");
+	UnicodeFileToHtmlTextConverter converter = new UnicodeFileToHtmlTextConverter(tempInputFile.getAbsolutePath());
+	assertThat(converter.convertToHtml(), is("Hello World<br />"));
+    }
+
+    @Test
+    public void converterReturnsEmptyStringForEmptyFile() throws Exception {
+	UnicodeFileToHtmlTextConverter converter = new UnicodeFileToHtmlTextConverter(tempInputFile.getAbsolutePath());
+	assertThat(converter.convertToHtml(), is(""));
+    }
+
+    @Test
+    public void converterShouldCallStaticMethodInLibraryForEachLineInInputFile() throws Exception {
+	// Arrange
+	mockStatic(StringEscapeUtils.class);
+	when(StringEscapeUtils.escapeHtml4(anyString())).thenReturn("return value does not matter");
+	writeToTempInputFile("Hello World");
+	UnicodeFileToHtmlTextConverter converter = new UnicodeFileToHtmlTextConverter(tempInputFile.getAbsolutePath());
+	// Act
+	converter.convertToHtml();
+	// Assert
+	verifyStatic();
+	StringEscapeUtils.escapeHtml4("Hello World");
+    }
+}