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test: Add comprehensive test coverage for MariaDBFilterExpressionConverter #3943

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Aug 6, 2025
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test: Add comprehensive test coverage for MariaDBFilterExpressionConverter #3943

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103 changes: 103 additions & 0 deletions ...ava/org/springframework/ai/vectorstore/mariadb/MariaDBFilterExpressionConverterTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -123,4 +123,107 @@ public void testComplexIdentifiers() {
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.\"country 1 2 3\"') = 'BG'");
}

@Test
public void testEmptyList() {
// category IN []
String vectorExpr = this.converter
.convertExpression(new Expression(IN, new Key("category"), new Value(List.of())));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.category') IN ()");
}

@Test
public void testSingleItemList() {
// status IN ["active"]
String vectorExpr = this.converter
.convertExpression(new Expression(IN, new Key("status"), new Value(List.of("active"))));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.status') IN ('active')");
}

@Test
public void testNullValue() {
// description == null
String vectorExpr = this.converter
.convertExpression(new Expression(EQ, new Key("description"), new Value(null)));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.description') = null");
}

@Test
public void testNestedJsonPath() {
// entity.profile.name == "EntityA"
String vectorExpr = this.converter
.convertExpression(new Expression(EQ, new Key("entity.profile.name"), new Value("EntityA")));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.entity.profile.name') = 'EntityA'");
}

@Test
public void testNumericStringValue() {
// id == "1"
String vectorExpr = this.converter.convertExpression(new Expression(EQ, new Key("id"), new Value("1")));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.id') = '1'");
}

@Test
public void testZeroValue() {
// count == 0
String vectorExpr = this.converter.convertExpression(new Expression(EQ, new Key("count"), new Value(0)));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.count') = 0");
}

@Test
public void testComplexNestedGroups() {
// ((fieldA >= 100 AND fieldB == "X1") OR (fieldA >= 50 AND fieldB == "Y2")) AND
// fieldC != "inactive"
String vectorExpr = this.converter.convertExpression(new Expression(AND,
new Group(new Expression(OR,
new Group(new Expression(AND, new Expression(GTE, new Key("fieldA"), new Value(100)),
new Expression(EQ, new Key("fieldB"), new Value("X1")))),
new Group(new Expression(AND, new Expression(GTE, new Key("fieldA"), new Value(50)),
new Expression(EQ, new Key("fieldB"), new Value("Y2")))))),
new Expression(NE, new Key("fieldC"), new Value("inactive"))));

assertThat(vectorExpr)
.isEqualTo("((JSON_VALUE(metadata, '$.fieldA') >= 100 AND JSON_VALUE(metadata, '$.fieldB') = 'X1') OR "
+ "(JSON_VALUE(metadata, '$.fieldA') >= 50 AND JSON_VALUE(metadata, '$.fieldB') = 'Y2')) AND "
+ "JSON_VALUE(metadata, '$.fieldC') != 'inactive'");
}

@Test
public void testMixedDataTypes() {
// active == true AND score >= 1.5 AND tags IN ["featured", "premium"] AND
// version == 1
String vectorExpr = this.converter.convertExpression(new Expression(AND,
new Expression(AND,
new Expression(AND, new Expression(EQ, new Key("active"), new Value(true)),
new Expression(GTE, new Key("score"), new Value(1.5))),
new Expression(IN, new Key("tags"), new Value(List.of("featured", "premium")))),
new Expression(EQ, new Key("version"), new Value(1))));

assertThat(vectorExpr)
.isEqualTo("JSON_VALUE(metadata, '$.active') = true AND JSON_VALUE(metadata, '$.score') >= 1.5 AND "
+ "JSON_VALUE(metadata, '$.tags') IN ('featured','premium') AND JSON_VALUE(metadata, '$.version') = 1");
}

@Test
public void testNinWithMixedTypes() {
// status NIN ["A", "B", "C"]
String vectorExpr = this.converter
.convertExpression(new Expression(NIN, new Key("status"), new Value(List.of("A", "B", "C"))));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.status') NOT IN ('A','B','C')");
}

@Test
public void testEmptyStringValue() {
// description != ""
String vectorExpr = this.converter.convertExpression(new Expression(NE, new Key("description"), new Value("")));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.description') != ''");
}

@Test
public void testArrayIndexAccess() {
// tags[0] == "important"
String vectorExpr = this.converter
.convertExpression(new Expression(EQ, new Key("tags[0]"), new Value("important")));
assertThat(vectorExpr).isEqualTo("JSON_VALUE(metadata, '$.tags[0]') = 'important'");
}

}