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| 1 | +function Test_GetDaysBetweenDates_SameDates { |
| 2 | + Invoke-PrivateContext { |
| 3 | + # Arrange |
| 4 | + $startDate = "2025-01-15" |
| 5 | + $endDate = "2025-01-15" |
| 6 | + |
| 7 | + # Act |
| 8 | + $result = Get-DaysBetweenDates -StartDate $startDate -EndDate $endDate |
| 9 | + |
| 10 | + # Assert |
| 11 | + Assert-AreEqual -Expected 0 -Presented $result |
| 12 | + } |
| 13 | +} |
| 14 | + |
| 15 | +function Test_GetDaysBetweenDates_PositiveRange { |
| 16 | + Invoke-PrivateContext { |
| 17 | + # Arrange |
| 18 | + $startDate = "2025-01-01" |
| 19 | + $endDate = "2025-01-10" |
| 20 | + |
| 21 | + # Act |
| 22 | + $result = Get-DaysBetweenDates -StartDate $startDate -EndDate $endDate |
| 23 | + |
| 24 | + # Assert |
| 25 | + Assert-AreEqual -Expected 9 -Presented $result |
| 26 | + } |
| 27 | +} |
| 28 | + |
| 29 | +function Test_GetDaysBetweenDates_NegativeRange { |
| 30 | + # Act & Assert |
| 31 | + Invoke-PrivateContext { |
| 32 | + # Arrange |
| 33 | + $startDate = "2025-01-10" |
| 34 | + $endDate = "2025-01-01" |
| 35 | + |
| 36 | + $result = Get-DaysBetweenDates -StartDate $startDate -EndDate $endDate |
| 37 | + Assert-AreEqual -Expected 9 -Presented $result |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +function Test_GetDaysBetweenDates_OneYear { |
| 42 | + Invoke-PrivateContext { |
| 43 | + # Arrange |
| 44 | + $startDate = "2025-01-01" |
| 45 | + $endDate = "2026-01-01" |
| 46 | + |
| 47 | + # Act |
| 48 | + $result = Get-DaysBetweenDates -StartDate $startDate -EndDate $endDate |
| 49 | + |
| 50 | + # Assert |
| 51 | + Assert-AreEqual -Expected 365 -Presented $result |
| 52 | + } |
| 53 | +} |
| 54 | + |
| 55 | +function Test_GetDaysBetweenDates_DefaultStartDate { |
| 56 | + # Arrange |
| 57 | + Reset-InvokeCommandMock |
| 58 | + |
| 59 | + $now = Get-Date -Format 'yyyy-MM-dd' |
| 60 | + MockCallToObject -Command "GetNow" -OutObject $now |
| 61 | + |
| 62 | + # Act & Assert |
| 63 | + Invoke-PrivateContext { |
| 64 | + $futureDate = (Get-Date).AddDays(10) | Get-Date -Format 'yyyy-MM-dd' |
| 65 | + |
| 66 | + $result = Get-DaysBetweenDates -EndDate $futureDate |
| 67 | + |
| 68 | + # Result should be approximately 10 days (allowing for same-day test execution) |
| 69 | + Assert-AreEqual -Expected 10 -Presented $result |
| 70 | + } |
| 71 | +} |
| 72 | + |
| 73 | +function Test_ConvertFromEpochTime_OneDay { |
| 74 | + # Act & Assert |
| 75 | + Invoke-PrivateContext { |
| 76 | + # Arrange |
| 77 | + $epochTime = 86400 # One day in seconds |
| 78 | + |
| 79 | + $result = ConvertFrom-EpochTime -EpochTime $epochTime |
| 80 | + $expected = [datetime]::UnixEpoch.AddSeconds(86400) |
| 81 | + Assert-AreEqual -Expected $expected -Presented $result |
| 82 | + } |
| 83 | +} |
| 84 | + |
| 85 | +function Test_ConvertFromEpochTime_LargeValue { |
| 86 | + # Act & Assert |
| 87 | + Invoke-PrivateContext { |
| 88 | + # Arrange |
| 89 | + $epochTime = 1609459200 # 2021-01-01 00:00:00 UTC |
| 90 | + |
| 91 | + $result = ConvertFrom-EpochTime -EpochTime $epochTime |
| 92 | + Assert-IsTrue -Condition ($result -is [datetime]) |
| 93 | + Assert-AreEqual -Expected 2021 -Presented $result.Year |
| 94 | + Assert-AreEqual -Expected 1 -Presented $result.Month |
| 95 | + Assert-AreEqual -Expected 1 -Presented $result.Day |
| 96 | + } |
| 97 | +} |
| 98 | + |
| 99 | +function Test_ConvertFromEpochTime_ZeroEpochTime { |
| 100 | + # Act & Assert |
| 101 | + Invoke-PrivateContext { |
| 102 | + # Arrange |
| 103 | + $epochTime = 0 |
| 104 | + |
| 105 | + $result = ConvertFrom-EpochTime -EpochTime $epochTime |
| 106 | + Assert-AreEqual -Expected 1970 -Presented $result.Year |
| 107 | + } |
| 108 | + |
| 109 | + # Act & Assert |
| 110 | + Invoke-PrivateContext { |
| 111 | + # Arrange |
| 112 | + $dateTime = [datetime]::UnixEpoch |
| 113 | + |
| 114 | + $result = ConvertTo-EpochTime -DateTime $dateTime |
| 115 | + Assert-AreEqual -Expected 0 -Presented $result |
| 116 | + } |
| 117 | +} |
| 118 | + |
| 119 | +function Test_ConvertToEpochTime_OneDay { |
| 120 | + # Act & Assert |
| 121 | + Invoke-PrivateContext { |
| 122 | + # Arrange |
| 123 | + $dateTime = [datetime]::UnixEpoch.AddDays(1) |
| 124 | + |
| 125 | + $result = ConvertTo-EpochTime -DateTime $dateTime |
| 126 | + Assert-AreEqual -Expected 86400 -Presented $result |
| 127 | + } |
| 128 | +} |
| 129 | + |
| 130 | +function Test_ConvertToEpochTime_RecentDate { |
| 131 | + # Act & Assert |
| 132 | + Invoke-PrivateContext { |
| 133 | + # Arrange |
| 134 | + $dateTime = [datetime]::new(2021, 1, 1, 0, 0, 0, [System.DateTimeKind]::Utc) |
| 135 | + |
| 136 | + $result = ConvertTo-EpochTime -DateTime $dateTime |
| 137 | + Assert-AreEqual -Expected 1609459200 -Presented $result |
| 138 | + } |
| 139 | +} |
| 140 | + |
| 141 | +function Test_ConvertToEpochTime_ReturnsLong { |
| 142 | + # Act & Assert |
| 143 | + Invoke-PrivateContext { |
| 144 | + # Arrange |
| 145 | + $dateTime = [datetime]::UtcNow |
| 146 | + |
| 147 | + $result = ConvertTo-EpochTime -DateTime $dateTime |
| 148 | + Assert-IsTrue -Condition ($result -is [long]) |
| 149 | + } |
| 150 | +} |
| 151 | + |
| 152 | +function Test_ConvertToEpochTime_RoundTrip { |
| 153 | + # Act & Assert |
| 154 | + Invoke-PrivateContext { |
| 155 | + # Arrange |
| 156 | + $original = [datetime]::new(2020, 6, 15, 12, 30, 45, [System.DateTimeKind]::Utc) |
| 157 | + |
| 158 | + $epochTime = ConvertTo-EpochTime -DateTime $original |
| 159 | + $restored = ConvertFrom-EpochTime -EpochTime $epochTime |
| 160 | + |
| 161 | + Assert-AreEqual -Expected $original -Presented $restored |
| 162 | + } |
| 163 | +} |
| 164 | + |
| 165 | +function Test_ConvertFromEpochTime_NegativeValue { |
| 166 | + # Act & Assert |
| 167 | + Invoke-PrivateContext { |
| 168 | + # Arrange |
| 169 | + $epochTime = -86400 # One day before epoch |
| 170 | + |
| 171 | + $result = ConvertFrom-EpochTime -EpochTime $epochTime |
| 172 | + $expected = [datetime]::UnixEpoch.AddSeconds(-86400) |
| 173 | + Assert-AreEqual -Expected $expected -Presented $result |
| 174 | + } |
| 175 | +} |
| 176 | + |
| 177 | +function Test_ConvertToEpochTime_BeforeEpoch { |
| 178 | + # Act & Assert |
| 179 | + Invoke-PrivateContext { |
| 180 | + # Arrange |
| 181 | + $dateTime = [datetime]::UnixEpoch.AddDays(-1) |
| 182 | + |
| 183 | + $result = ConvertTo-EpochTime -DateTime $dateTime |
| 184 | + |
| 185 | + |
| 186 | + # Assert |
| 187 | + Assert-AreEqual -Expected -86400 -Presented $result |
| 188 | + } |
| 189 | +} |
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