テストデータ修正くん

    <dependency>
    	<groupId>commons-collections</groupId>
    	<artifactId>commons-collections</artifactId>
    	<version>3.2.1</version>
    </dependency>
    <dependency>
    	<groupId>commons-io</groupId>
    	<artifactId>commons-io</artifactId>
    	<version>2.4</version>
    </dependency>
    <dependency>
    	<groupId>org.apache.commons</groupId>
    	<artifactId>commons-lang3</artifactId>
    	<version>3.1</version>
    </dependency>
    
    
	@Test
	public void fixTestData_removeColumn() throws IOException {
		int removeColumnIndex = 2;
		String separator = "\t";
		File testDataFile = new File("user.tsv");
		File resultTestDataFile = new File("user_result.tsv");

		ArrayList<String> result = new ArrayList<>();
		for (String row : FileUtils.readLines(testDataFile)) {
			String[] columns = row.split(separator);
			if (columns.length < removeColumnIndex + 1) {
				System.out.println("removeColumnIndex is too large!");
				System.exit(-1);
			}

			List<String> columnsList = new LinkedList<>(Arrays.asList(columns));
			columnsList.remove(removeColumnIndex);

			String joined = StringUtils.join(columnsList, separator);
			result.add(joined);
		}
		System.out.println(result);
		FileUtils.writeLines(resultTestDataFile, result);
	}

	@Test
	public void fixTestData_addColumn() throws IOException {
		int addColumnIndex = 2;
		String addHeaderValue = "deleted";
		String addValue = "false";
		String separator = "\t";
		File testDataFile = new File("user.tsv");
		File resultTestDataFile = new File("user_result.tsv");

		boolean first = true;
		ArrayList<String> result = new ArrayList<>();
		for (String row : FileUtils.readLines(testDataFile)) {
			String[] columns = row.split(separator);
			if (columns.length < addColumnIndex + 1) {
				System.out.println("addColumnIndex is too large!");
				System.exit(-1);
			}

			List<String> columnsList = new LinkedList<>(Arrays.asList(columns));
			// header
			if (first && StringUtils.isNotEmpty(addHeaderValue)) {
				columnsList.add(addColumnIndex, addHeaderValue);
				first = false;
			} else {
				columnsList.add(addColumnIndex, addValue);
			}

			String joined = StringUtils.join(columnsList, separator);
			result.add(joined);
		}
		System.out.println(result);
		FileUtils.writeLines(resultTestDataFile, result);
	}