<commit_before>package test;

import static org.junit.Assert.*;
import logic.DefaultSQLArgsParser;
import logic.SQLArgsParser;

import org.junit.Before;
import org.junit.Test;

public class TestSQLArgsParser {
	private SQLArgsParser parser;

	@Before
	public void initialize() {
		parser = new DefaultSQLArgsParser();
	}

	@Test
	public void shouldReturnStringOfColumnNamesSeparatedByCommas() {
		String[] columns = { "col1", "col2", "col3" };

		String expected = columns[0] + ", " + columns[1] + ", " + columns[2];

		assertEquals(expected, parser.parseColumns(columns));
	}

}<commit_msg>#4 special test of empty string case added for parseColumn method<commit_after>package test;

import static org.junit.Assert.*;
import logic.DefaultSQLArgsParser;
import logic.SQLArgsParser;

import org.junit.Before;
import org.junit.Test;

public class TestSQLArgsParser {
	private SQLArgsParser parser;

	@Before
	public void initialize() {
		parser = new DefaultSQLArgsParser();
	}

	@Test
	public void shouldReturnStringOfColumnNamesSeparatedByCommas() {
		String[] columns = { "col1", "col2", "col3" };

		String expected = columns[0] + ", " + columns[1] + ", " + columns[2];

		assertEquals(expected, parser.parseColumns(columns));
	}
	
	@Test
	public void shouldReturnEmptyStringWhenEmptyColumnNamesArrayIsPassed() {
		String[] columns = {};

		String expected = "";

		assertEquals(expected, parser.parseColumns(columns));
	}

}
{'fraction_non_alphanumeric': 0.1212333566923616, 'fraction_numerical': 0.009110021023125438, 'mean_word_length': 5.290748898678414, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1784800', 'n_tokens_mistral': 451, 'n_tokens_neox': 424, 'n_words': 104}