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1   package io.github.magwas.inez.query;
2   
3   import static org.junit.jupiter.api.Assertions.assertThrows;
4   
5   import java.util.Set;
6   import java.util.stream.Stream;
7   
8   import org.antlr.v4.runtime.misc.ParseCancellationException;
9   import org.junit.jupiter.api.DisplayName;
10  import org.junit.jupiter.api.Test;
11  import org.mockito.InjectMocks;
12  
13  import io.github.magwas.inez.Bridi;
14  import io.github.magwas.inez.BridiTestData;
15  import io.github.magwas.inez.parse.ParserConstants;
16  import io.github.magwas.testing.TestBase;
17  import io.github.magwas.testing.TestUtil;
18  
19  class QueryProcessorTest extends TestBase implements BridiTestData {
20  
21  	@InjectMocks
22  	QueryProcessorService queryProcessor;
23  
24  	@Test
25  	@DisplayName("for a nonexisting sumti returns the empty list")
26  	void test() {
27  		Stream<Bridi> actual = queryProcessor.apply(QUERY_NONEXISTING);
28  		TestUtil.assertStreamEquals(Set.of(), actual);
29  	}
30  
31  	@Test
32  	@DisplayName("for an existing sumti returns the sumti")
33  	void test_1() {
34  		TestUtil.assertStreamEquals(Set.of(THING), queryProcessor.apply(THING_REPR));
35  	}
36  
37  	@Test
38  	@DisplayName("if more sumtis exist with the representation, return them all")
39  	void test_2() {
40  		TestUtil.assertStreamEquals(Set.of(GO1, GO2), queryProcessor.apply(GO_REPRESENTATION));
41  	}
42  
43  	@Test
44  	@DisplayName("for a reference, return the referenced bridi")
45  	void test_3() {
46  		TestUtil.assertStreamEquals(Set.of(GO1), queryProcessor.apply(GO1_REFERENCE));
47  	}
48  
49  	@Test
50  	@DisplayName("for a reference to a nonexisting bridi, return an empty list")
51  	void test_5() {
52  		TestUtil.assertStreamEquals(Set.of(), queryProcessor.apply(NONEXISTENT_REFERENCE));
53  	}
54  
55  	@Test
56  	@DisplayName("for a bridi with the matching representation returns it")
57  	void test_4() {
58  		TestUtil.assertStreamEquals(Set.of(SUMTI_IS_A_THING), queryProcessor.apply(SUMTI_IS_A_THING_REPR));
59  	}
60  
61  	@Test
62  	@DisplayName("for a bridi where the representation does not match, but the selbri and sumties do, finds it")
63  	void test_6() {
64  		TestUtil.assertStreamEquals(Set.of(TAUTOLOGY), queryProcessor.apply(TAUTOLOGY_GENERATED_REPR));
65  	}
66  
67  	@Test
68  	@DisplayName("'$?' returns a list of the any sumti")
69  	void test_7() {
70  		TestUtil.assertStreamEquals(Set.of(ANY), queryProcessor.apply(ParserConstants.QUERY_BRIDI_ID));
71  	}
72  
73  	@Test
74  	@DisplayName("for a bridi where one of the sumties is '$?', the matching bridies return")
75  	void test1() {
76  		TestUtil.assertStreamEquals(SIMPLE_QUERY_OUTPUT, queryProcessor.apply(QUERY_STRING_SIMPLE));
77  	}
78  
79  	@Test
80  	@DisplayName("for a bridi where all of the sumties is '$?', a ParseCancellationException is thrown")
81  	void test1_1() {
82  		assertThrows(
83  				ParseCancellationException.class,
84  				() -> queryProcessor.apply(QUERY_STRING_ALL_ANY).toArray());
85  	}
86  
87  	@Test
88  	@DisplayName("if no stored bridi matches the query with '$?', and empty list is returned")
89  	void test2() {
90  		TestUtil.assertStreamEquals(Set.of(), queryProcessor.apply(QUERY_STRING_NONMATCHING));
91  	}
92  
93  	@Test
94  	@DisplayName("query works with the '$?' being deep down in the query")
95  	void test3() {
96  		Stream<Bridi> actual = queryProcessor.apply(RECURSIVE_QUERY);
97  		TestUtil.assertStreamEquals(Set.of(SUMTI_IS_A_THING_IS_A_THING, TAUTOLOGY_IS_A_THING), actual);
98  	}
99  }