map HsOfficeMembershipInsertResource via ModelMapper and Entity.setValidTo/From

src/test/java/net/hostsharing/hsadminng/mapper/PostgresDateRangeUnitTest.java

@@ -0,0 +1,37 @@
+package net.hostsharing.hsadminng.mapper;
+
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+
+import static net.hostsharing.hsadminng.mapper.PostgresDateRange.toPostgresDateRange;
+import static org.assertj.core.api.Assertions.assertThat;
+
+class PostgresDateRangeUnitTest {
+
+    @Test
+    void createsInfiniteRange() {
+        final var actual = toPostgresDateRange(null, null);
+        assertThat(actual.toString()).isEqualTo("Range{lower=null, upper=null, mask=116, clazz=class java.time.LocalDate}");
+    }
+
+    @Test
+    void createsClosedInfiniteRange() {
+        final var actual = toPostgresDateRange(LocalDate.parse("2020-10-31"), null);
+        assertThat(actual.toString()).isEqualTo("Range{lower=2020-10-31, upper=null, mask=82, clazz=class java.time.LocalDate}");
+    }
+
+    @Test
+    void createsInfiniteOpenRange() {
+        final var actual = toPostgresDateRange(null, LocalDate.parse("2020-10-31"));
+        assertThat(actual.toString()).isEqualTo("Range{lower=null, upper=2020-11-01, mask=52, clazz=class java.time.LocalDate}");
+    }
+
+    @Test
+    void createsClosedOpenRange() {
+        final var actual = toPostgresDateRange(LocalDate.parse("2020-10-31"), LocalDate.parse("2020-12-31"));
+        assertThat(actual.toString()).isEqualTo(
+                "Range{lower=2020-10-31, upper=2021-01-01, mask=18, clazz=class java.time.LocalDate}");
+    }
+
+}