src/test/java/com/github/sebhoss/time/FiscalDateGetFiscalYearTest.java

   1 /*
   2  * Copyright © 2013 Sebastian Hoß <mail@shoss.de>
   3  * This work is free. You can redistribute it and/or modify it under the
   4  * terms of the Do What The Fuck You Want To Public License, Version 2,
   5  * as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
   6  */
   7 /*
   8  * This program is free software. It comes without any warranty, to
   9  * the extent permitted by applicable law. You can redistribute it
  10  * and/or modify it under the terms of the Do What The Fuck You Want
  11  * To Public License, Version 2, as published by Sam Hocevar. See
  12  * http://www.wtfpl.net/ for more details.
  13  */
  14 package com.github.sebhoss.time;
  15
  16 import com.github.sebhoss.warnings.CompilerWarnings;
  17
  18 import org.joda.time.LocalDate;
  19 import org.joda.time.Months;
  20 import org.junit.Assert;
  21 import org.junit.Assume;
  22 import org.junit.experimental.theories.DataPoints;
  23 import org.junit.experimental.theories.Theories;
  24 import org.junit.experimental.theories.Theory;
  25 import org.junit.runner.RunWith;
  26
  27 /**
  28  * Test cases for {@link FiscalDate#getFiscalYear()}.
  29  */
  30 @RunWith(Theories.class)
  31 @SuppressWarnings(CompilerWarnings.STATIC_METHOD)
  32 public class FiscalDateGetFiscalYearTest {
  33
  34     /** @see TestObjects#supportedMonths() */
  35     @DataPoints
  36     public static final Months[]    START_DATES        = TestObjects.supportedMonths();
  37
  38     /** @see TestObjects#startDates() */
  39     @DataPoints
  40     public static final LocalDate[] MONTH_START_DATES  = TestObjects.startDates();
  41
  42     /** @see TestObjects#middleDates() */
  43     @DataPoints
  44     public static final LocalDate[] MONTH_MIDDLE_DATES = TestObjects.middleDates();
  45
  46     /**
  47      * Ensures that for any given date the fiscal year will be increased if the current calendar date is after the
  48      * fiscal year start date.
  49      *
  50      * @param startDate
  51      *            The start date of the fiscal year.
  52      * @param currentDate
  53      *            The current date in a calendar year.
  54      */
  55     @Theory
  56     public void shouldAddYearWhenCurrentDateIsAfterStartDate(final Months startDate, final LocalDate currentDate) {
  57         // Given
  58         Assume.assumeTrue(currentDate.getMonthOfYear() >= startDate.getMonths());
  59         final FiscalDate fiscalDate = FiscalYears.earlyFiscalYear(startDate.getMonths()).createFromCalendarDate(
  60                 currentDate);
  61
  62         // When
  63         final int fiscalYear = fiscalDate.getFiscalYear();
  64
  65         // Then
  66         Assert.assertEquals(currentDate.getYear() + 1, fiscalYear);
  67     }
  68
  69     /**
  70      * Ensures that for any given date the fiscal year will not be increased if the current calendar date is before the
  71      * fiscal year start date.
  72      *
  73      * @param startDate
  74      *            The start date of the fiscal year.
  75      * @param currentDate
  76      *            The current date in a calendar year.
  77      */
  78     @Theory
  79     public void shouldNotAddYearWhenCurrentDateIsBeforeStartDate(final Months startDate, final LocalDate currentDate) {
  80         // Given
  81         Assume.assumeTrue(currentDate.getMonthOfYear() < startDate.getMonths());
  82         final FiscalDate fiscalDate = FiscalYears.earlyFiscalYear(startDate.getMonths()).createFromCalendarDate(
  83                 currentDate);
  84
  85         // When
  86         final int fiscalYear = fiscalDate.getFiscalYear();
  87
  88         // Then
  89         Assert.assertEquals(currentDate.getYear(), fiscalYear);
  90     }
  91
  92     /**
  93      * Ensures that for any given date the fiscal year will not be increased if the current calendar date is after the
  94      * fiscal year start date.
  95      *
  96      * @param startDate
  97      *            The start date of the fiscal year.
  98      * @param currentDate
  99      *            The current date in a calendar year.
 100      */
 101     @Theory
 102     public void shouldNotAddYearWhenCurrentDateIsAfterStartDate(final Months startDate, final LocalDate currentDate) {
 103         // Given
 104         Assume.assumeTrue(currentDate.getMonthOfYear() >= startDate.getMonths());
 105         final FiscalDate fiscalDate = FiscalYears.lateFiscalYear(startDate.getMonths()).createFromCalendarDate(
 106                 currentDate);
 107
 108         // When
 109         final int fiscalYear = fiscalDate.getFiscalYear();
 110
 111         // Then
 112         Assert.assertEquals(currentDate.getYear(), fiscalYear);
 113     }
 114
 115     /**
 116      * Ensures that for any given date the fiscal year will be decreased if the current calendar date is before the
 117      * fiscal year start date.
 118      *
 119      * @param startDate
 120      *            The start date of the fiscal year.
 121      * @param currentDate
 122      *            The current date in a calendar year.
 123      */
 124     @Theory
 125     public void shouldSubtractYearWhenCurrentDateIsBeforeStartDate(final Months startDate, final LocalDate currentDate) {
 126         // Given
 127         Assume.assumeTrue(currentDate.getMonthOfYear() < startDate.getMonths());
 128         final FiscalDate fiscalDate = FiscalYears.lateFiscalYear(startDate.getMonths()).createFromCalendarDate(
 129                 currentDate);
 130
 131         // When
 132         final int fiscalYear = fiscalDate.getFiscalYear();
 133
 134         // Then
 135         Assert.assertEquals(currentDate.getYear() - 1, fiscalYear);
 136     }
 137
 138 }