LineCounterTest

package sk.upjs.ics.agilnaRuka;

import static org.junit.jupiter.api.Assertions.*;

import java.util.ArrayList;
import java.util.List;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

class LineCounterTest {

    static List<String> trimmedFileLines;
    static List<String> fileLines;
    static LineCounter lc = new LineCounter();

    @BeforeAll
    static void setUpBeforeClass() throws Exception {
        fileLines = lc.readFile("App.java");
        trimmedFileLines = lc.trimEachLine(fileLines);
    }

    @Test
    void readFileTest1() {
        List<String> lines = new ArrayList<>();

        lines.add("// normalny riadok kodu");
        lines.add("package sk.upjs.javaLineCounter;");
        lines.add("//10 medzier");
        lines.add("");
        lines.add("//3 tabulatory");
        lines.add("");
        lines.add("//3 krat medzera a tab");
        lines.add("");
        lines.add("// podomnou je celoriadkovy komentar ");
        lines.add("//ja som komentar");
        lines.add("//podomnou je multiline komentar ");
        lines.add("/*");
        lines.add(" sdffs");
        lines.add(" */");
        lines.add("");
        lines.add("public class App { //komentar");
        lines.add(" public static void main(String[] args) {");
        lines.add("     // komentar v strede prikazu");
        lines.add("     System./* kusok komentu */out.println(\"normalny string\");");
        lines.add("     ");
        lines.add("     // snaha o komentar v stringu");
        lines.add("     System.out.println(\"/*nie som komentar, ale string*/\");");
        lines.add("     ");
        lines.add("     // snaha o komentar v stringu");
        lines.add("     System.out.println(\"// \"");
        lines.add("             + ");
        lines.add("             \"/*nie som komentar, ale \"");
        lines.add("             + \"string*/\");");
        lines.add("     String string = \" \\\" \";");
        lines.add(" }");
        lines.add("  /*  ");
        lines.add("   ");
        lines.add("  */");
        lines.add("}");

        assertEquals(lines, lc.readFile("App.java"));
    }

    @Test
    void trimEachLineTest1() {
        List<String> lines = new ArrayList<>();
        lines.add("string =2;");
        lines.add("   string =2; ");
        lines.add("  //komentar      ");
        lines.add("  /*kom  en*/tar      ");
        lines.add("          ");

        List<String> linestrimmed = new ArrayList<>();
        linestrimmed.add("string =2;");
        linestrimmed.add("string =2;");
        linestrimmed.add("//komentar");
        linestrimmed.add("/*kom  en*/tar");
        linestrimmed.add("");
        assertEquals(linestrimmed, lc.trimEachLine(lines));
    }

    @Test
    void removeWholeLineCommentsTest1() {
        List<String> lines = new ArrayList<>();
        lines.add("// string");
        lines.add("  //  ");

        List<String> linestrimmed = new ArrayList<>();
        linestrimmed.add("");
        linestrimmed.add("  //  ");

        assertEquals(linestrimmed, lc.removeWholeLineComments(lines));
    }

    @Test
    void isWholeLineCommentTest1() {
        assertEquals(true, lc.isWholeLineComment("//string/**//*/"));
    }

    @Test
    void isWholeLineCommentTest2() {
        assertEquals(false, lc.isWholeLineComment(" //string/**//*/"));
    }

    @Test
    void countLinesOfCodeTest1() {
        assertEquals(12, lc.countLinesOfCode("App.java"));
    }

    @Test
    void isPartOfCommentTest1() {
        boolean isComment = false;
        String line = "pred komentarom /* v komentari";
        int indexOfSlash = line.indexOf('/');

        assertTrue(lc.isPartOfComment(isComment, line, indexOfSlash));
    }

    @Test
    void isPartOfCommentTest2() {
        boolean isComment = true;
        String line = "pred komentarom /* v komentari";
        int indexOfSlash = line.indexOf('p');

        assertTrue(lc.isPartOfComment(isComment, line, indexOfSlash));
    }

    @Test
    void isPartOfCommentTest3() {
        boolean isComment = false;
        String line = "pred komentarom /* v komentari";
        int indexOfSlash = line.indexOf('p');

        assertFalse(lc.isPartOfComment(isComment, line, indexOfSlash));
    }

    @Test
    void isNextStillCommentTest1() {
        boolean isComment = false;
        String line = "pred komentarom /* v komentari";

        for (int i = 0; i < line.length(); i++) {
            if (i < 16) {
                assertFalse(lc.isPartOfComment(isComment, line, i));
            } else {
                assertTrue(lc.isPartOfComment(isComment, line, i));
                isComment = true;
            }
        }
    }

    @Test
    void removePartialLineCommentsTest1() {
        List<String> listWithComments = new ArrayList<>();
        listWithComments.add("ahoj");
        listWithComments.add(" /*blablabla");
        listWithComments.add("vnutri \" ahoj \" ");
        listWithComments.add("koniec */");
        List<String> trimmedLines = lc.trimEachLine(listWithComments);
        List<String> listWithoutComments = new ArrayList<>();
        listWithoutComments.add("ahoj");
        listWithoutComments.add("");
        listWithoutComments.add("");
        listWithoutComments.add("");

        assertEquals(listWithoutComments, lc.removePartialLineComments(trimmedLines));
    }

    @Test
    void isPartStringTest1() {
        boolean isInString = false;
        String string = "pred \"v stringu ";
        int startOfString = 5;


        for (int i = 0; i < string.length(); i++) {
            if (i < startOfString) {
                assertFalse(lc.isPartOfString(isInString, string, i));
            } else {
                assertTrue(lc.isPartOfString(isInString, string, i));
                isInString = true;
            }
        }
    }

    @Test
    void isPartStringTest2() {
        boolean isInString = false;
        String string = "pred \"v stringu \\\" stale v stringu ";
        int startOfString = 5;

        for (int i = 0; i < string.length(); i++) {
            if (i < startOfString) {
                assertFalse(lc.isPartOfString(isInString, string, i));
            } else {
                assertTrue(lc.isPartOfString(isInString, string, i));
                isInString = true;
            }
        }
    }

    @Test
    void isPartStringTest3() {
        boolean isInString = true;
        String string = "v stringu \\\" stale v stringu \" za stringom ";
        int EndOfString = 29;

        for (int i = 0; i < string.length(); i++) {
            System.out.println(string.charAt(i) + " " + i);
            if (i < EndOfString) {
                assertTrue(lc.isPartOfString(isInString, string, i));
            } else {
                assertFalse(lc.isPartOfString(isInString, string, i));
                isInString = false;
            }
        }
    }
}