package DNAnalyzer.data.codon;

import static DNAnalyzer.data.codon.CodonDataUtils.returnSubstring;
import static org.junit.jupiter.api.Assertions.assertEquals;

import org.junit.jupiter.api.Test;

class CodonDataUtilsTest {
  String testInput = "gggggaggtggcgaggaagatgac";

  // "ggg"
  int testCodon1 = 0;
  // "gga"
  int testCodon2 = 3;
  // "ggt"
  int testCodon3 = 6;
  // "ggc"
  int testCodon4 = 9;
  // "gag"
  int testCodon5 = 12;
  // "gaa"
  int testCodon6 = 15;
  // "gat"
  int testCodon7 = 18;
  // "gac"
  int testCodon8 = 21;

  String expectedCodon1 = "GGG";
  String expectedCodon2 = "GGA";
  String expectedCodon3 = "GGT";
  String expectedCodon4 = "GGC";
  String expectedCodon5 = "GAG";
  String expectedCodon6 = "GAA";
  String expectedCodon7 = "GAT";
  String expectedCodon8 = "GAC";

  @Test
  void testReturnSubstringWithCodon1() {
    String expectedResult = this.expectedCodon1;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon1);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon2() {
    String expectedResult = this.expectedCodon2;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon2);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon3() {
    String expectedResult = this.expectedCodon3;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon3);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon4() {
    String expectedResult = this.expectedCodon4;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon4);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon5() {
    String expectedResult = this.expectedCodon5;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon5);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon6() {
    String expectedResult = this.expectedCodon6;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon6);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon7() {
    String expectedResult = this.expectedCodon7;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon7);
    assertEquals(expectedResult, actualSubstringResult);
  }

  @Test
  void testReturnSubstringWithCodon8() {
    String expectedResult = this.expectedCodon8;
    String actualSubstringResult = returnSubstring(this.testInput, this.testCodon8);
    assertEquals(expectedResult, actualSubstringResult);
  }
}