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- package com.dkc.pp;
- import com.dkc.pp.util.Globals;
- import org.junit.Before;
- import org.junit.Test;
- import java.util.HashMap;
- import java.util.Map;
- import static org.junit.Assert.assertEquals;
- public class BooleanPredicateProcessorTest {
- private Globals globals = new Globals();
- private Map<String, Integer> variables = new HashMap<>();
- @Before
- public void setUp() throws Exception {
- variables.put("friend_count", 100);
- variables.put("a", 60);
- variables.put("b", 60);
- variables.put("c", 60);
- variables.put("d", 60);
- }
- @Test
- public void can_process_greater_than_predicate() {
- assertEquals(true, globals.processPredicate("friend_count > 40", variables));
- assertEquals(false, globals.processPredicate("friend_count > 200", variables));
- }
- @Test
- public void can_process_greater_than_or_equal_to_predicate() {
- assertEquals(false, globals.processPredicate("friend_count >= 101", variables));
- assertEquals(true, globals.processPredicate("friend_count >= 100", variables));
- assertEquals(true, globals.processPredicate("friend_count >= 99", variables));
- }
- @Test
- public void can_process_less_than_predicate() {
- assertEquals(true, globals.processPredicate("friend_count < 120", variables));
- assertEquals(false, globals.processPredicate("friend_count < 80", variables));
- }
- @Test
- public void can_process_less_than_or_equal_to_predicate() {
- assertEquals(true, globals.processPredicate("friend_count <= 101", variables));
- assertEquals(true, globals.processPredicate("friend_count <= 100", variables));
- assertEquals(false, globals.processPredicate("friend_count <= 99", variables));
- }
- @Test
- public void can_process_equal_to_predicate() {
- assertEquals(false, globals.processPredicate("friend_count == 101", variables));
- assertEquals(true, globals.processPredicate("friend_count == 100", variables));
- assertEquals(false, globals.processPredicate("friend_count == 99", variables));
- }
- @Test
- public void can_process_predicate_with_arithmetic() {
- assertEquals(true, globals.processPredicate("a + b + c + d > 200", variables));
- assertEquals(false, globals.processPredicate("a + b + c + d > 900", variables));
- }
- }
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