health_calculation_tests.dart

import 'package:bodycal/src/domain/calculations/body_calcuations.dart';
import 'package:bodycal/src/domain/constants/keys_constants.dart';
import 'package:bodycal/src/domain/preferences/pref_fluid.dart';
import 'package:bodycal/src/domain/preferences/pref_gender.dart';
import "package:test/test.dart";

void main() {
  var female = Gender.female;
  var male = Gender.male;
  var weightLB = 200.0;
  var weightLBZero = 0.0;
  var heightCM = 187.0;
  var heightCMZero = 0.0;
  var age = 30;
  var ageZero = 0;
  var activityLevelBase = 1.0;
  var activityLevelTop = 2.0;
  var leanBodyMass = 15.0;

  test("get TDEE/BMR using Mifflin-St Jeor, Male/Activity equals 1930 ", () {
    // Given & When
    var answer = getBodyStatsUsingMifflinStJeor(
        male, weightLB, heightCM, age, activityLevelTop);

    // Then
    expect(answer, {keyTdee: 3860, keyBmr: 1930});
  });

  test("get TDEE/BMR using Mifflin-St Jeor, Female/Activity equals 1764 ", () {
    // Given & When
    var answer = getBodyStatsUsingMifflinStJeor(
        female, weightLB, heightCM, age, activityLevelTop);

    // Then
    expect(answer, {keyTdee: 3528, keyBmr: 1764});
  });

  test("get TDEE/BMR using Mifflin-St Jeor, Male/No activity equals 1930 ", () {
    // Given & When
    var answer = getBodyStatsUsingMifflinStJeor(
        male, weightLB, heightCM, age, activityLevelBase);

    // Then
    expect(answer, {keyTdee: 1930, keyBmr: 1930});
  });

  test("get TDEE/BMR using Mifflin-St Jeor, Female/No activity equals 1764 ",
      () {
    // Given & When
    var answer = getBodyStatsUsingMifflinStJeor(
        female, weightLB, heightCM, age, activityLevelBase);

    // Then
    expect(answer, {keyTdee: 1764, keyBmr: 1764});
  });

  test("get TDEE/BMR using Mifflin-St Jeor, 0 equals 0", () {
    // Given & When
    var answer = getBodyStatsUsingMifflinStJeor(
        female, weightLBZero, heightCMZero, ageZero, activityLevelBase);

    // Then
    expect(answer, {keyTdee: 0, keyBmr: 0});
  });

  test("get TDEE/BMR using Harris-Benedict, Male/Activity equals 2046 ", () {
    // Given & When
    var answer = getBodyStatsUsingHarrisBenedict(
        male, weightLB, heightCM, age, activityLevelTop);

    // Then
    expect(answer, {keyTdee: 4092, keyBmr: 2046});
  });

  test("get TDEE/BMR using Harris-Benedict, Female/Activity equals 1728 ", () {
    // Given & When
    var answer = getBodyStatsUsingHarrisBenedict(
        female, weightLB, heightCM, age, activityLevelTop);

    // Then
    expect(answer, {keyTdee: 3456, keyBmr: 1728});
  });

  test("get TDEE/BMR using Harris-Benedict, Male/No activity equals 2046 ", () {
    // Given & When
    var answer = getBodyStatsUsingHarrisBenedict(
        male, weightLB, heightCM, age, activityLevelBase);

    // Then
    expect(answer, {keyTdee: 2046, keyBmr: 2046});
  });

  test("get TDEE/BMR using Harris-Benedict, Female/No activity equals 1728 ",
      () {
    // Given & When
    var answer = getBodyStatsUsingHarrisBenedict(
        female, weightLB, heightCM, age, activityLevelBase);

    // Then
    expect(answer, {keyTdee: 1728, keyBmr: 1728});
  });

  test("get TDEE/BMR using Harris-Benedict, 0 equals 0", () {
    // Given & When
    var answer = getBodyStatsUsingHarrisBenedict(
        female, weightLBZero, heightCMZero, ageZero, activityLevelBase);

    // Then
    expect(answer, {keyTdee: 0, keyBmr: 0});
  });

  test("get TDEE/BMR/LBM using Katch-Mcardle, Male/Activity equals 2035 ", () {
    // Given & When
    var answer = getBodyStatsUsingKatchMcardle(
        leanBodyMass, weightLB, heightCM, age, activityLevelTop);

    // Then
    expect(answer, {keyLeanBodyMass: 170, keyTdee: 4070, keyBmr: 2035});
  });

  test("get TDEE/BMR/LBM using Katch-Mcardle, Male/No activity equals 2035 ",
      () {
    // Given & When
    var answer = getBodyStatsUsingKatchMcardle(
        leanBodyMass, weightLB, heightCM, age, activityLevelBase);

    // Then
    expect(answer, {keyLeanBodyMass: 170, keyTdee: 2035, keyBmr: 2035});
  });

  test("get TDEE/BMR/LBM using Katch-Mcardle, 0 equals 0", () {
    // Given & When
    var answer = getBodyStatsUsingKatchMcardle(
        leanBodyMass, weightLBZero, heightCMZero, ageZero, activityLevelBase);

    // Then
    expect(answer, {keyLeanBodyMass: 0, keyTdee: 0, keyBmr: 0});
  });

  test("get total calories lost across x weeks, 0 equals 0", () {
    // Given
    var weeks = 0;
    var percent = 0;
    var currentKCals = 0;
    var activityKCals = 0;

    // When
    var answer = getCaloriesLostOrGainedByWeek(
        weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, 0);
  });

  test("get total calories lost across x weeks, 2200 for 1 week equals 4200",
      () {
    // Given
    var weeks = 1;
    var percent = 20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer = getCaloriesLostOrGainedByWeek(
        weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, 4200);
  });

  test("get total calories lost across x weeks, 2200 for 4 week equals 16800",
      () {
    // Given
    var weeks = 4;
    var percent = 20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer = getCaloriesLostOrGainedByWeek(
        weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, 16800);
  });

  test("get total pounds lost across x weeks, 0 equals 0", () {
    // Given
    var weeks = 0;
    var percent = 0;
    var currentKCals = 0;
    var activityKCals = 0;

    // When
    var answer =
        getPoundsLostOrGained(weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, 0.0);
  });

  test(
      "get total pounds lost across x weeks, 2200 for 1 week equals 1.2lbs gained",
      () {
    // Given
    var weeks = 1;
    var percent = 20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer =
        getPoundsLostOrGained(weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, 1.2);
  });

  test(
      "get total pounds lost across x weeks, 2200 for 4 week equals 4.8lbs gained",
      () {
    // Given
    var weeks = 4;
    var percent = 20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer =
        getPoundsLostOrGained(weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, 4.8);
  });

  test(
      "get total pounds lost across x weeks, 2200 for 1 week equals 1.2lbs lost",
      () {
    // Given
    var weeks = 1;
    var percent = -20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer =
        getPoundsLostOrGained(weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, -1.2);
  });

  test(
      "get total pounds lost across x weeks, 2200 for 4 week equals 4.8lbs lost",
      () {
    // Given
    var weeks = 4;
    var percent = -20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer =
        getPoundsLostOrGained(weeks, percent, currentKCals, activityKCals);

    // Then
    expect(answer, -4.8);
  });

  test("get total pounds lost across daily, 0 equals 0", () {
    // Given
    var percent = 0;
    var currentKCals = 0;
    var activityKCals = 0;

    // When
    var answer = caloriesReducedDaily(percent, currentKCals, activityKCals);

    // Then
    expect(answer, 0.0);
  });

  test("get total pounds lost across daily, 1 day gaining equals 2400", () {
    // Given
    var percent = 10;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer = caloriesReducedDaily(percent, currentKCals, activityKCals);

    // Then
    expect(answer, 2400);
  });

  test("get total pounds lost across daily, 1 day dieting equals 1400", () {
    // Given
    var percent = -20;
    var currentKCals = 2000;
    var activityKCals = 200;

    // When
    var answer = caloriesReducedDaily(percent, currentKCals, activityKCals);

    // Then
    expect(answer, 1400);
  });

  test("calorie to pound, 3500 calories equals 1 pound", () {
    // Given
    var calories = 3500;

    // When
    var answer = caloriesPerPound(calories);

    // Then
    expect(answer, 1.0);
  });

  test("calorie to pound, 7000 calories equals 2 pound", () {
    // Given
    var calories = 7000;

    // When
    var answer = caloriesPerPound(calories);

    // Then
    expect(answer, 2.0);
  });

  test("pound to calorie, 1.1 pound equals 3850", () {
    // Given
    var pounds = 1.1;

    // When
    var answer = poundsPerCalories(pounds);

    // Then
    expect(answer, 3850);
  });

  test("pound to calorie, 2 pound equals 7000", () {
    // Given
    var pounds = 2.0;

    // When
    var answer = poundsPerCalories(pounds);

    // Then
    expect(answer, 7000);
  });

  test("pound to calorie, 0 pound equals 0", () {
    // Given
    var pounds = 0.0;

    // When
    var answer = poundsPerCalories(pounds);

    // Then
    expect(answer, 0);
  });

  test("BMI, 0 returns 0", () {
    // Given
    var weight = 0.0;
    var height = 0.0;

    // When
    var answer = getBmi(weight, height);

    // Then
    expect(answer, 0);
  });

  test("BMI, 187cm and 205lbs returns 26.6", () {
    // Given
    var weight = 205.0;
    var height = 187.0;

    // When
    var answer = getBmi(weight, height);

    // Then
    expect(answer, 26.6);
  });

  test("lean body mass percent, 0 returns 0", () {
    // Given
    var weight = 0.0;
    var bodyFat = 0.0;

    // When
    var answer = getLeanBodyMassPercent(weight, bodyFat);

    // Then
    expect(answer, 0);
  });

  test("lean body mass percent, 205lbs and 20% returns 164.0", () {
    // Given
    var weight = 205.0;
    var bodyFat = 20.0;

    // When
    var answer = getLeanBodyMassPercent(weight, bodyFat);

    // Then
    expect(answer, 164.0);
  });

  test("lean body mass percent using BMI, 0 returns 0", () {
    // Given
    var gender = Gender.female;
    var age = 0;
    var weight = 0.0;
    var height = 0.0;

    // When
    var answer = getBodyFatUsingBMI(gender, age, weight, height);

    // Then
    expect(answer, 0);
  });

  test(
      "test lean body mass percent using BMI, 205lbs, 30yrs, 183cm returns 26.2",
      () {
    // Given
    var gender = Gender.male;
    var age = 30;
    var weight = 205.0;
    var height = 187.0;

    // When
    var answer = getBodyFatUsingBMI(gender, age, weight, height);

    // Then
    expect(answer, 22.62);
  });

  test("water intake, 0 returns 0", () {
    // Given
    var waterMeasurement = Fluid.milliliters;
    var minutesSpendExercisingPerDay = 0;
    var weight = 0.0;
    var age = 0;

    // When
    var answer = getRecommendedWaterIntake(
        waterMeasurement, minutesSpendExercisingPerDay, weight, age);

    // Then
    expect(answer, 0);
  });

  test("water intake, 30yrs, 305lbs, 30 mins exercise returns 0", () {
    // Given
    var waterMeasurement = Fluid.milliliters;
    var minutesSpendExercisingPerDay = 30;
    var weight = 205.0;
    var age = 30;

    // When
    var answer = getRecommendedWaterIntake(
        waterMeasurement, minutesSpendExercisingPerDay, weight, age);

    // Then
    expect(answer, 4083);
  });

  test("get ideal weight using Robinson formula, 0 returns 0", () {
    // Given
    var height = 0.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightRobinson(height, gender);

    // Then
    expect(answer, 0);
  });

  test("get ideal weight using Robinson formula, 205lbs/Male returns 171", () {
    // Given
    var height = 187.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightRobinson(height, gender);

    // Then
    expect(answer, 171.70);
  });

  test(
      "test get ideal weight using Robinson formula, 205lbs/Female returns 159",
      () {
    // Given
    var height = 187.0;
    var gender = Gender.female;

    // When
    var answer = getIdealWeightRobinson(height, gender);

    // Then
    expect(answer, 159.08);
  });

  test("get ideal weight using Miller formula, 0 returns 0", () {
    // Given
    var height = 0.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightMiller(height, gender);

    // Then
    expect(answer, 0);
  });

  test("get ideal weight using Miller formula, 205lbs/Male returns 166.24", () {
    // Given
    var height = 187.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightMiller(height, gender);

    // Then
    expect(answer, 166.24);
  });

  test(
      "test get ideal weight using Miller formula, 205lbs/Female returns 157.91",
      () {
    // Given
    var height = 187.0;
    var gender = Gender.female;

    // When
    var answer = getIdealWeightMiller(height, gender);

    // Then
    expect(answer, 157.91);
  });

  test("get ideal weight using Devine formula, 0 returns 0", () {
    // Given
    var height = 0.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightDevine(height, gender);

    // Then
    expect(answer, 0);
  });

  test("get ideal weight using Devine formula, 205lbs/Male returns 166.24", () {
    // Given
    var height = 187.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightDevine(height, gender);

    // Then
    expect(answer, 179.30);
  });

  test(
      "test get ideal weight using Devine formula, 205lbs/Female returns 157.91",
      () {
    // Given
    var height = 187.0;
    var gender = Gender.female;

    // When
    var answer = getIdealWeightDevine(height, gender);

    // Then
    expect(answer, 169.38);
  });

  test("get ideal weight using Hamwi formula, 0 returns 0", () {
    // Given
    var height = 0.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightHamwi(height, gender);

    // Then
    expect(answer, 0);
  });

  test("get ideal weight using Hamwi formula, 205lbs/Male returns 186.91", () {
    // Given
    var height = 187.0;
    var gender = Gender.male;

    // When
    var answer = getIdealWeightHamwi(height, gender);

    // Then
    expect(answer, 186.91);
  });

  test(
      "test get ideal weight using Hamwi formula, 205lbs/Female returns 166.38",
      () {
    // Given
    var height = 187.0;
    var gender = Gender.female;

    // When
    var answer = getIdealWeightHamwi(height, gender);

    // Then
    expect(answer, 166.38);
  });

  test("get simple max heart rate, 0 returns 0", () {
    // Given
    var age = 0;
    var gender = Gender.female;

    // When
    var answer = getSimpleMaxHearRate(age, gender);

    // Then
    expect(answer, 0.0);
  });

  test("get simple max heart rate, 0 returns 0", () {
    // Given
    var age = 0;
    var gender = Gender.female;

    // When
    var answer = getSimpleMaxHearRate(age, gender);

    // Then
    expect(answer, 0);
  });

  test("get simple max heart rate, Male ages 30 returns 190", () {
    // Given
    var age = 30;
    var gender = Gender.male;

    // When
    var answer = getSimpleMaxHearRate(age, gender);

    // Then
    expect(answer, 190);
  });

  test("get simple max heart rate, Female ages 30 returns 188", () {
    // Given
    var age = 30;
    var gender = Gender.female;

    // When
    var answer = getSimpleMaxHearRate(age, gender);

    // Then
    expect(answer, 188);
  });

  test("get one rep max (Brzycki), 200lb for 1 rep", () {
    // Given
    var weight = 200.0;
    var reps = 1;

    // When
    var answer = getOneRepMaxBrzycki(weight, reps);

    // Then
    expect(answer, answer.first == 200.0);
  });
}