From b519ba31f4f30cbf7afdbebb28c90e8f5e222a08 Mon Sep 17 00:00:00 2001 From: Sebastian Toepfer <61313468+sebastian-toepfer@users.noreply.github.com> Date: Thu, 30 May 2024 11:28:04 +0200 Subject: [PATCH 1/3] add missing doc to minpropertieskeyword --- .../core/vocab/validation/MinPropertiesKeyword.java | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MinPropertiesKeyword.java b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MinPropertiesKeyword.java index 5efe0009..926bf863 100644 --- a/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MinPropertiesKeyword.java +++ b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MinPropertiesKeyword.java @@ -31,6 +31,18 @@ import java.math.BigInteger; import java.util.Objects; +/** + * minProperties : Integer + * An object instance is valid if its number of properties is less than, or equal to, the value of this keyword.
+ * keyword.
+ *
+ * + * + * source: https://www.learnjsonschema.com/2020-12/validation/minproperties/ + * spec: https://json-schema.org/draft/2020-12/json-schema-validation.html#section-6.5.2 + */ final class MinPropertiesKeyword implements Assertion { static final String NAME = "minProperties"; From fd22c72a8409979d80ca5e6913e429633740bcf8 Mon Sep 17 00:00:00 2001 From: Sebastian Toepfer <61313468+sebastian-toepfer@users.noreply.github.com> Date: Wed, 29 May 2024 22:35:04 +0200 Subject: [PATCH 2/3] add support for contains keyword --- core/pom.xml | 1 + .../applicator/ApplicatorVocabulary.java | 3 +- .../vocab/applicator/ContainsKeyword.java | 105 ++++++++++ .../vocab/applicator/ContainsKeywordTest.java | 196 ++++++++++++++++++ 4 files changed, 304 insertions(+), 1 deletion(-) create mode 100644 core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeyword.java create mode 100644 core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeywordTest.java diff --git a/core/pom.xml b/core/pom.xml index 068f980c..98191e62 100644 --- a/core/pom.xml +++ b/core/pom.xml @@ -119,6 +119,7 @@ **/tests/draft2020-12/additionalProperties.json **/tests/draft2020-12/boolean_schema.json **/tests/draft2020-12/const.json + **/tests/draft2020-12/contains.json **/tests/draft2020-12/dependentRequired.json **/tests/draft2020-12/enum.json **/tests/draft2020-12/exclusiveMaximum.json diff --git a/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ApplicatorVocabulary.java b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ApplicatorVocabulary.java index 1690b2af..0c5b7e6c 100644 --- a/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ApplicatorVocabulary.java +++ b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ApplicatorVocabulary.java @@ -50,7 +50,8 @@ public ApplicatorVocabulary() { new SubSchemaKeywordType(AdditionalPropertiesKeyword.NAME, AdditionalPropertiesKeyword::new), new NamedJsonSchemaKeywordType(PatternPropertiesKeyword.NAME, PatternPropertiesKeyword::new), new SubSchemaKeywordType(ItemsKeyword.NAME, ItemsKeyword::new), - new ArraySubSchemaKeywordType(PrefixItemsKeyword.NAME, PrefixItemsKeyword::new) + new ArraySubSchemaKeywordType(PrefixItemsKeyword.NAME, PrefixItemsKeyword::new), + new SubSchemaKeywordType(ContainsKeyword.NAME, ContainsKeyword::new) ); } diff --git a/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeyword.java b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeyword.java new file mode 100644 index 00000000..dcb14df0 --- /dev/null +++ b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeyword.java @@ -0,0 +1,105 @@ +/* + * The MIT License + * + * Copyright 2024 sebastian. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +package io.github.sebastiantoepfer.jsonschema.core.vocab.applicator; + +import static jakarta.json.stream.JsonCollectors.toJsonArray; + +import io.github.sebastiantoepfer.ddd.common.Media; +import io.github.sebastiantoepfer.jsonschema.InstanceType; +import io.github.sebastiantoepfer.jsonschema.JsonSubSchema; +import io.github.sebastiantoepfer.jsonschema.keyword.Annotation; +import io.github.sebastiantoepfer.jsonschema.keyword.Applicator; +import jakarta.json.JsonArray; +import jakarta.json.JsonValue; +import java.util.Collection; +import java.util.List; +import java.util.Objects; + +/** + * contains : Schema + * Validation succeeds if the instance contains an element that validates against this schema.
+ *
+ * + * + * source: https://www.learnjsonschema.com/2020-12/applicator/contains/ + * spec: https://json-schema.org/draft/2020-12/json-schema-core.html#section-10.3.1.3 + */ +final class ContainsKeyword implements Applicator, Annotation { + + static final String NAME = "contains"; + private final JsonSubSchema contains; + + public ContainsKeyword(final JsonSubSchema contains) { + this.contains = Objects.requireNonNull(contains); + } + + @Override + public Collection categories() { + return List.of(KeywordCategory.APPLICATOR, KeywordCategory.ANNOTATION); + } + + @Override + public boolean hasName(final String name) { + return Objects.equals(NAME, name); + } + + @Override + public > T printOn(final T media) { + return media.withValue(NAME, contains); + } + + @Override + public boolean applyTo(final JsonValue instance) { + return !InstanceType.ARRAY.isInstance(instance) || contains(instance.asJsonArray()); + } + + private boolean contains(final JsonArray array) { + return array.stream().anyMatch(contains.validator()::isValid); + } + + @Override + public JsonValue valueFor(final JsonValue value) { + final JsonValue result; + if (InstanceType.ARRAY.isInstance(value)) { + result = valueFor(value.asJsonArray()); + } else { + result = JsonValue.FALSE; + } + return result; + } + + private JsonValue valueFor(final JsonArray values) { + final JsonValue result; + final JsonArray matchingItems = values.stream().filter(contains.validator()::isValid).collect(toJsonArray()); + if (matchingItems.size() == values.size()) { + result = JsonValue.TRUE; + } else { + result = matchingItems; + } + return result; + } +} diff --git a/core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeywordTest.java b/core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeywordTest.java new file mode 100644 index 00000000..f307b6c8 --- /dev/null +++ b/core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/applicator/ContainsKeywordTest.java @@ -0,0 +1,196 @@ +/* + * The MIT License + * + * Copyright 2024 sebastian. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +package io.github.sebastiantoepfer.jsonschema.core.vocab.applicator; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.containsInAnyOrder; +import static org.hamcrest.Matchers.empty; +import static org.hamcrest.Matchers.hasEntry; +import static org.hamcrest.Matchers.is; + +import io.github.sebastiantoepfer.ddd.media.core.HashMapMedia; +import io.github.sebastiantoepfer.jsonschema.core.DefaultJsonSchemaFactory; +import io.github.sebastiantoepfer.jsonschema.core.keyword.type.SubSchemaKeywordType; +import io.github.sebastiantoepfer.jsonschema.keyword.Keyword; +import jakarta.json.Json; +import jakarta.json.JsonObject; +import jakarta.json.JsonValue; +import org.hamcrest.Matcher; +import org.hamcrest.Matchers; +import org.junit.jupiter.api.Test; + +class ContainsKeywordTest { + + @Test + void should_be_printable() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ).printOn(new HashMapMedia()), + (Matcher) hasEntry(is("contains"), hasEntry(is("type"), is("number"))) + ); + } + + @Test + void should_know_his_name() { + final Keyword enumKeyword = createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ); + + assertThat(enumKeyword.hasName("contains"), is(true)); + assertThat(enumKeyword.hasName("test"), is(false)); + } + + @Test + void should_be_an_applicator_and_annotation() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ).categories(), + Matchers.containsInAnyOrder(Keyword.KeywordCategory.ANNOTATION, Keyword.KeywordCategory.APPLICATOR) + ); + } + + @Test + void should_apply_for_non_array() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ) + .asApplicator() + .applyTo(JsonValue.EMPTY_JSON_OBJECT), + is(true) + ); + } + + @Test + void should_apply_if_one_item_applies() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ) + .asApplicator() + .applyTo( + Json.createArrayBuilder() + .add("foo") + .add(3) + .add(false) + .add(Json.createArrayBuilder().add("bar")) + .add(-5) + .build() + ), + is(true) + ); + } + + @Test + void should_apply_if_all_item_applies() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "string")).build() + ) + .asApplicator() + .applyTo(Json.createArrayBuilder().add("foo").add("bar").add("baz").build()), + is(true) + ); + } + + @Test + void should_not_apply_if_non_item_applies() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ) + .asApplicator() + .applyTo( + Json.createArrayBuilder().add("foo").add(false).add(Json.createArrayBuilder().add("bar")).build() + ), + is(false) + ); + } + + @Test + void should_return_false_for_non_array() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ) + .asAnnotation() + .valueFor(JsonValue.EMPTY_JSON_OBJECT), + is(JsonValue.FALSE) + ); + } + + @Test + void should_return_empty_array_if_no_item_applies() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ) + .asAnnotation() + .valueFor(Json.createArrayBuilder().add("foo").build()) + .asJsonArray(), + is(empty()) + ); + } + + @Test + void should_return_matching_items() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "number")).build() + ) + .asAnnotation() + .valueFor( + Json.createArrayBuilder() + .add("foo") + .add(3) + .add(false) + .add(Json.createArrayBuilder().add("bar")) + .add(-5) + .build() + ) + .asJsonArray(), + containsInAnyOrder(Json.createValue(3), Json.createValue(-5)) + ); + } + + @Test + void should_return_true_if_all_item_applies() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder().add("contains", Json.createObjectBuilder().add("type", "string")).build() + ) + .asAnnotation() + .valueFor(Json.createArrayBuilder().add("foo").add("bar").add("baz").build()), + is(JsonValue.TRUE) + ); + } + + private static Keyword createKeywordFrom(final JsonObject json) { + return new SubSchemaKeywordType("contains", ContainsKeyword::new).createKeyword( + new DefaultJsonSchemaFactory().create(json) + ); + } +} From 04eb7a53f366e2f8e891377d460a6056e7482692 Mon Sep 17 00:00:00 2001 From: Sebastian Toepfer <61313468+sebastian-toepfer@users.noreply.github.com> Date: Wed, 29 May 2024 22:35:04 +0200 Subject: [PATCH 3/3] add support for maxContains keyword --- core/pom.xml | 3 + .../validation/MaxContainsKeywordType.java | 116 +++++++++++ .../MaxContainsKeywordTypeTest.java | 189 ++++++++++++++++++ 3 files changed, 308 insertions(+) create mode 100644 core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordType.java create mode 100644 core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordTypeTest.java diff --git a/core/pom.xml b/core/pom.xml index 98191e62..469017fd 100644 --- a/core/pom.xml +++ b/core/pom.xml @@ -131,6 +131,9 @@ + **/tests/draft2020-12/maxItems.json **/tests/draft2020-12/maxLength.json **/tests/draft2020-12/maximum.json diff --git a/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordType.java b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordType.java new file mode 100644 index 00000000..9b61deed --- /dev/null +++ b/core/src/main/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordType.java @@ -0,0 +1,116 @@ +/* + * The MIT License + * + * Copyright 2024 sebastian. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +package io.github.sebastiantoepfer.jsonschema.core.vocab.validation; + +import io.github.sebastiantoepfer.ddd.common.Media; +import io.github.sebastiantoepfer.jsonschema.InstanceType; +import io.github.sebastiantoepfer.jsonschema.JsonSchema; +import io.github.sebastiantoepfer.jsonschema.core.keyword.type.IntegerKeywordType; +import io.github.sebastiantoepfer.jsonschema.keyword.Assertion; +import io.github.sebastiantoepfer.jsonschema.keyword.Keyword; +import io.github.sebastiantoepfer.jsonschema.keyword.KeywordType; +import jakarta.json.JsonArray; +import jakarta.json.JsonValue; +import jakarta.json.spi.JsonProvider; +import java.math.BigInteger; +import java.util.Objects; + +/** + * minProperties : Integer + * An object instance is valid if its number of properties is less than, or equal to, the value of this keyword.
+ * keyword.
+ *
+ * + * + * source: https://www.learnjsonschema.com/2020-12/validation/maxcontains/ + * spec: https://json-schema.org/draft/2020-12/json-schema-validation.html#section-6.4.4 + */ +final class MaxContainsKeywordType implements KeywordType { + + private final JsonProvider jsonContext; + + public MaxContainsKeywordType(final JsonProvider jsonContext) { + this.jsonContext = jsonContext; + } + + @Override + public String name() { + return "maxContains"; + } + + @Override + public Keyword createKeyword(final JsonSchema schema) { + return new IntegerKeywordType( + jsonContext, + name(), + value -> new MaxContainsKeyword(schema, value) + ).createKeyword(schema); + } + + private final class MaxContainsKeyword implements Assertion { + + private final JsonSchema owner; + private final BigInteger maxContains; + + public MaxContainsKeyword(final JsonSchema owner, final BigInteger maxContains) { + this.owner = Objects.requireNonNull(owner); + this.maxContains = Objects.requireNonNull(maxContains); + } + + @Override + public boolean hasName(final String name) { + return Objects.equals(name(), name); + } + + @Override + public > T printOn(final T media) { + return media.withValue(name(), maxContains); + } + + @Override + public boolean isValidFor(final JsonValue instance) { + return ( + !InstanceType.ARRAY.isInstance(instance) || + owner + .keywordByName("contains") + .map(Keyword::asAnnotation) + .map(annotation -> annotation.valueFor(instance)) + .map(contains -> isValidFor(contains, instance.asJsonArray())) + .orElse(true) + ); + } + + private boolean isValidFor(final JsonValue containing, final JsonArray values) { + final boolean result; + if (JsonValue.TRUE.equals(containing)) { + result = values.size() <= maxContains.intValue(); + } else { + result = containing.asJsonArray().size() <= maxContains.intValue(); + } + return result; + } + } +} diff --git a/core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordTypeTest.java b/core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordTypeTest.java new file mode 100644 index 00000000..01882a5c --- /dev/null +++ b/core/src/test/java/io/github/sebastiantoepfer/jsonschema/core/vocab/validation/MaxContainsKeywordTypeTest.java @@ -0,0 +1,189 @@ +/* + * The MIT License + * + * Copyright 2024 sebastian. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +package io.github.sebastiantoepfer.jsonschema.core.vocab.validation; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.hasEntry; +import static org.hamcrest.Matchers.is; + +import io.github.sebastiantoepfer.ddd.media.core.HashMapMedia; +import io.github.sebastiantoepfer.jsonschema.core.DefaultJsonSchemaFactory; +import io.github.sebastiantoepfer.jsonschema.keyword.Keyword; +import jakarta.json.Json; +import jakarta.json.JsonObject; +import jakarta.json.JsonValue; +import jakarta.json.spi.JsonProvider; +import java.math.BigInteger; +import org.hamcrest.Matcher; +import org.junit.jupiter.api.Test; + +class MaxContainsKeywordTypeTest { + + @Test + void should_know_his_name() { + final Keyword enumKeyword = createKeywordFrom(Json.createObjectBuilder().add("maxContains", 2).build()); + + assertThat(enumKeyword.hasName("maxContains"), is(true)); + assertThat(enumKeyword.hasName("test"), is(false)); + } + + @Test + void should_be_printable() { + assertThat( + createKeywordFrom(Json.createObjectBuilder().add("maxContains", 2).build()).printOn(new HashMapMedia()), + (Matcher) hasEntry(is("maxContains"), is(BigInteger.valueOf(2))) + ); + } + + @Test + void should_be_valid_for_non_arrays() { + assertThat( + createKeywordFrom(Json.createObjectBuilder().add("maxContains", 2).build()) + .asAssertion() + .isValidFor(JsonValue.EMPTY_JSON_OBJECT), + is(true) + ); + } + + @Test + void should_be_valid_if_no_contains_is_present() { + assertThat( + createKeywordFrom(Json.createObjectBuilder().add("maxContains", 2).build()) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").build()), + is(true) + ); + } + + @Test + void should_be_valid_if_contains_applies_to_exact_count() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").add("bar").add(1).build()), + is(true) + ); + } + + @Test + void should_be_valid_if_contains_applies_to_less_items() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").add(2).add(3).build()), + is(true) + ); + } + + @Test + void should_be_valid_for_empty_arrays() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(JsonValue.EMPTY_JSON_ARRAY), + is(true) + ); + } + + @Test + void should_be_invalid_if_contains_applies_to_more_items() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").add("bar").add(1).add("baz").build()), + is(false) + ); + } + + @Test + void should_be_valid_if_contains_applies_to_all_and_less_items_in_array() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").build()), + is(true) + ); + } + + @Test + void should_be_valid_if_contains_applies_to_all_and_exact_items_count_in_array() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").add("bar").build()), + is(true) + ); + } + + @Test + void should_be_invalid_if_contains_applies_to_all_and_more_items_in_array() { + assertThat( + createKeywordFrom( + Json.createObjectBuilder() + .add("contains", Json.createObjectBuilder().add("type", "string")) + .add("maxContains", 2) + .build() + ) + .asAssertion() + .isValidFor(Json.createArrayBuilder().add("foo").add("bar").add("baz").build()), + is(false) + ); + } + + private static Keyword createKeywordFrom(final JsonObject json) { + return new MaxContainsKeywordType(JsonProvider.provider()).createKeyword( + new DefaultJsonSchemaFactory().create(json) + ); + } +}