feat: introduce getRowsCount

Signed-off-by: Rivaldi <[email protected]>

Author: cbot59

spring-batch-excel/src/test/java/org/springframework/batch/extensions/excel/support/rowset/DefaultRowSetMetaDataTests.java

@@ -77,4 +77,16 @@ void shouldGetAndReturnNameOfTheSheet() {
 		verifyNoMoreInteractions(this.sheet);
 	}
 
+	@Test
+	void shouldReturnTotalAvailableRows() {
+
+		given(this.sheet.getNumberOfRows()).willReturn(1);
+
+		var rowsCount = this.rowSetMetaData.getRowsCount();
+
+		assertThat(rowsCount).isEqualTo(1);
+
+		verify(this.sheet, times(1)).getNumberOfRows();
+		verifyNoMoreInteractions(this.sheet);
+	}
 }