refactpr: [ANDROAPP-6392]: Move logic to date Time utils, create unit…

… tests general clean up and refactor

designsystem/src/androidUnitTest/kotlin/org/hisp/dhis/mobile/ui/designsystem/component/internal/DateTimeUtilsTest.kt

@@ -0,0 +1,125 @@
+package org.hisp.dhis.mobile.ui.designsystem.component.internal
+
+import androidx.compose.ui.text.input.TextFieldValue
+import org.hisp.dhis.mobile.ui.designsystem.component.DateTimeActionType
+import org.hisp.dhis.mobile.ui.designsystem.component.SelectableDates
+import org.junit.Test
+
+class DateTimeUtilsTest {
+
+    @Test
+    fun shouldReturnTrueIfDateIsWithinSelectedDatesRangeAndFalseIfNot() {
+        var selectedDates = SelectableDates(
+            initialDate = "01011990",
+            endDate = "01012040",
+        )
+        assert(dateIsInRange(System.currentTimeMillis(), selectedDates))
+        selectedDates = SelectableDates(
+            initialDate = "01011990",
+            endDate = "01011993",
+        )
+        assert(!dateIsInRange(System.currentTimeMillis(), selectedDates))
+    }
+
+    @Test
+    fun shouldFormatDateTimeValueTypeStoredDateToUiCorrectly() {
+        var storedValue = TextFieldValue("2022-10-12T20:25")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE_TIME).text == "121020222025")
+
+        storedValue = TextFieldValue("2022-10-1")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE_TIME).text == "2022-10-1")
+
+        storedValue = TextFieldValue("2022-10-1")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE_TIME).text == "2022-10-1")
+
+        storedValue = TextFieldValue("2022-10-10T20")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE_TIME).text == "2022-10-10T20")
+    }
+
+    @Test
+    fun shouldFormatDateValueTypeStoredDateToUiCorrectly() {
+        var storedValue = TextFieldValue("2022-10-12")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE).text == "12102022")
+
+        storedValue = TextFieldValue(" \"2022-10\"")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE).text == "2022-10")
+
+        storedValue = TextFieldValue("2022-10-1")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE).text == "1102022")
+
+        storedValue = TextFieldValue("2022-10-10")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.DATE).text == "10102022")
+    }
+
+    @Test
+    fun shouldFormatTimeValueTypeStoredDateToUiCorrectly() {
+        var storedValue = TextFieldValue("20:00")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.TIME).text == "2000")
+        storedValue = TextFieldValue("20")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.TIME).text == "20")
+        storedValue = TextFieldValue("20:0")
+        assert(formatStoredDateToUI(storedValue, DateTimeActionType.TIME).text == "200")
+    }
+
+    @Test
+    fun shouldNotAllowInvalidFormatDates() {
+        assert(!isValidDate("Function…"))
+        assert(isValidDate("28022020"))
+        assert(!isValidDate("99999999"))
+        assert(isValidDate("12119999"))
+        assert(!isValidDate("12559999"))
+        assert(!isValidDate("55129999"))
+        assert(isValidDate("12111991"))
+    }
+
+    @Test
+    fun shouldFormatUiValueToStoredCorrectly() {
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("2002"),
+                DateTimeActionType.TIME,
+            ).text == "20:02",
+        )
+
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("200"),
+                DateTimeActionType.TIME,
+            ).text == "200",
+        )
+
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("1230"),
+                DateTimeActionType.TIME,
+            ).text == "12:30",
+        )
+
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("12111991"),
+                DateTimeActionType.DATE,
+            ).text == "1991-11-12",
+        )
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("1211199"),
+                DateTimeActionType.DATE,
+            ).text == "1211199",
+        )
+
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("121119911730"),
+                DateTimeActionType.DATE_TIME,
+            ).text == "1991-11-12T17:30",
+        )
+
+        assert(
+            formatUIDateToStored(
+                convertStringToTextFieldValue("12111991173"),
+                DateTimeActionType.DATE_TIME,
+            ).text == "12111991173",
+        )
+    }
+}