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StringTokenizerTest refactor (#1611) 

* TokenizerRefactor

* TokenizerRefactor

* TokenizerRefactor
This commit is contained in:
Grzegorz Piwowarek 2017-04-08 13:49:01 +02:00 committed by maibin
parent 13a42ea281
commit 60c2edaaeb
3 changed files with 36 additions and 54 deletions
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14
core-java/src/main/java/com/baeldung/stringtokenizer/Application.java → core-java/src/main/java/com/baeldung/stringtokenizer/MyTokenizer.java
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@ -9,10 +9,10 @@ import java.util.List;
import java.util.StringTokenizer;
import java.util.stream.Collectors;
public class Application {
public class MyTokenizer {
public List<String> getTokens(String str) {
List<String> tokens = new ArrayList<String>();
List<String> tokens = new ArrayList<>();
// StringTokenizer tokenizer = new StringTokenizer( str );
StringTokenizer tokenizer = new StringTokenizer(str, ",");
// StringTokenizer tokenizer = new StringTokenizer( str , "," , true );
@ -25,18 +25,18 @@ public class Application {
}
public List<String> getTokensWithCollection(String str) {
StringTokenizer tokenizer = new StringTokenizer(str, ",");
return Collections.list(tokenizer).stream()
return Collections
.list(new StringTokenizer(str, ","))
.stream()
.map(token -> (String) token)
.collect(Collectors.toList());
}
public List<String> getTokensFromFile(String path, String delim) {
List<String> tokens = new ArrayList<>();
String currLine = "";
String currLine;
StringTokenizer tokenizer;
try (BufferedReader br = new BufferedReader(new InputStreamReader(Application.class.getResourceAsStream("/" + path)))) {
try (BufferedReader br = new BufferedReader(new InputStreamReader(MyTokenizer.class.getResourceAsStream("/" + path)))) {
while ((currLine = br.readLine()) != null) {
tokenizer = new StringTokenizer(currLine, delim);
while (tokenizer.hasMoreElements()) {

47
core-java/src/test/java/com/baeldung/stringtokenizer/ApplicationTest.java
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@ -1,47 +0,0 @@
package com.baeldung.stringtokenizer;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class ApplicationTest {
Application application = new Application();
List<String> expectedTokensForString = new ArrayList<String>();
List<String> expectedTokensForFile = new ArrayList<String>();
@Before
public void init() {
expectedTokensForString.add("Welcome");
expectedTokensForString.add("to");
expectedTokensForString.add("baeldung.com");
expectedTokensForFile.add("1");
expectedTokensForFile.add("IND");
expectedTokensForFile.add("India");
expectedTokensForFile.add("2");
expectedTokensForFile.add("MY");
expectedTokensForFile.add("Malaysia");
expectedTokensForFile.add("3");
expectedTokensForFile.add("AU");
expectedTokensForFile.add("Australia");
}
@Test
public void givenString_thenGetListOfString() {
String str = "Welcome,to,baeldung.com";
List<String> actualTokens = application.getTokens(str);
assertEquals(expectedTokensForString, actualTokens);
}
@Test
public void givenFile_thenGetListOfString() {
List<String> actualTokens = application.getTokensFromFile("data.csv", "|");
assertEquals(expectedTokensForFile, actualTokens);
}
}

29
core-java/src/test/java/com/baeldung/stringtokenizer/TokenizerTest.java Normal file
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@ -0,0 +1,29 @@
package com.baeldung.stringtokenizer;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.assertEquals;
public class TokenizerTest {
private final MyTokenizer myTokenizer = new MyTokenizer();
private final List<String> expectedTokensForString = Arrays.asList("Welcome", "to", "baeldung.com");
private final List<String> expectedTokensForFile = Arrays.asList("1", "IND", "India", "2", "MY", "Malaysia", "3", "AU", "Australia");
@Test
public void givenString_thenGetListOfString() {
String str = "Welcome,to,baeldung.com";
List<String> actualTokens = myTokenizer.getTokens(str);
assertEquals(expectedTokensForString, actualTokens);
}
@Test
public void givenFile_thenGetListOfString() {
List<String> actualTokens = myTokenizer.getTokensFromFile("data.csv", "|");
assertEquals(expectedTokensForFile, actualTokens);
}
}