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Diffstat (limited to 'common-parameters/src/test/java/org/onap/policy/common/parameters/TestBeanValidator.java')
| -rw-r--r-- | common-parameters/src/test/java/org/onap/policy/common/parameters/TestBeanValidator.java | 651 |
1 files changed, 651 insertions, 0 deletions
diff --git a/common-parameters/src/test/java/org/onap/policy/common/parameters/TestBeanValidator.java b/common-parameters/src/test/java/org/onap/policy/common/parameters/TestBeanValidator.java new file mode 100644 index 00000000..f1e468b0 --- /dev/null +++ b/common-parameters/src/test/java/org/onap/policy/common/parameters/TestBeanValidator.java @@ -0,0 +1,651 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.parameters; + +import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertTrue; + +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Consumer; +import lombok.AccessLevel; +import lombok.Getter; +import org.junit.Before; +import org.junit.Test; +import org.onap.policy.common.parameters.annotations.Max; +import org.onap.policy.common.parameters.annotations.Min; +import org.onap.policy.common.parameters.annotations.NotBlank; +import org.onap.policy.common.parameters.annotations.NotNull; + +public class TestBeanValidator { + private static final String GET_MSG = "\"get\""; + private static final IllegalStateException EXPECTED_EXCEPTION = new IllegalStateException("expected exception"); + private static final String TOP = "top"; + private static final String STR_FIELD = "strValue"; + private static final String INT_FIELD = "intValue"; + private static final String NUM_FIELD = "numValue"; + private static final String BOOL_FIELD = "boolValue"; + private static final String STRING_VALUE = "string value"; + private static final int INT_VALUE = 20; + + private BeanValidator validator; + + @Before + public void setUp() { + validator = new BeanValidator(); + } + + @Test + public void testValidateTop_testValidateFields() { + // validate null + assertTrue(validator.validateTop(TOP, null).isValid()); + + // validate something that has no annotations + assertTrue(validator.validateTop(TOP, validator).isValid()); + + @NotNull + @Getter + class Data { + String strValue; + } + + // one failure case + Data data = new Data(); + BeanValidationResult result = validator.validateTop(TOP, data); + assertInvalid("testValidateFields", result, STR_FIELD, "null"); + assertTrue(result.getResult().contains(TOP)); + + // one success case + data.strValue = STRING_VALUE; + assertTrue(validator.validateTop(TOP, data).isValid()); + + /** + * Repeat with a subclass. + */ + @Getter + class Derived extends Data { + @Min(10) + int intValue; + } + + Derived derived = new Derived(); + derived.strValue = STRING_VALUE; + derived.intValue = INT_VALUE; + + // success case + assertTrue(validator.validateTop(TOP, derived).isValid()); + + // failure cases + derived.strValue = null; + assertInvalid("testValidateFields", validator.validateTop(TOP, derived), STR_FIELD, "null"); + derived.strValue = STRING_VALUE; + + derived.intValue = 1; + assertInvalid("testValidateFields", validator.validateTop(TOP, derived), INT_FIELD, "minimum"); + derived.intValue = INT_VALUE; + + // both invalid + derived.strValue = null; + derived.intValue = 1; + result = validator.validateTop(TOP, derived); + assertInvalid("testValidateFields", result, STR_FIELD, "null"); + assertInvalid("testValidateFields", result, INT_FIELD, "minimum"); + derived.strValue = STRING_VALUE; + derived.intValue = INT_VALUE; + } + + @Test + public void testValidateField() { + /* + * Note: nested classes contain fields like "$this", thus the check for "$" in the + * variable name is already covered by the other tests. + */ + + /* + * Class with no annotations. + */ + class NoAnnotations { + @SuppressWarnings("unused") + String strValue; + } + + NoAnnotations noAnnot = new NoAnnotations(); + noAnnot.strValue = null; + assertTrue(validator.validateTop(TOP, noAnnot).isValid()); + + /* + * Class containing a static field with an annotation. + */ + AnnotFieldStatic annotFieldStatic = new AnnotFieldStatic(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, annotFieldStatic)) + .withMessageContaining(STR_FIELD).withMessageContaining("static"); + + /* + * Class containing a static field, with an annotation at the class level. + */ + AnnotClassStatic annotClassStatic = new AnnotClassStatic(); + assertTrue(validator.validateTop(TOP, annotClassStatic).isValid()); + + /* + * Class with no getter method, with field-level annotation. + */ + class NoGetter { + @NotNull + String strValue; + } + + NoGetter noGetter = new NoGetter(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, noGetter)) + .withMessageContaining(STR_FIELD).withMessageContaining(GET_MSG); + + /* + * Class with no getter method, with class-level annotation. + */ + @NotNull + class ClassNoGetter { + @SuppressWarnings("unused") + String strValue; + } + + ClassNoGetter classNoGetter = new ClassNoGetter(); + assertTrue(validator.validateTop(TOP, classNoGetter).isValid()); + + /* + * Class with "blank", but no "null" check. Value is null. + */ + class NoNullCheck { + @NotBlank + @Getter + String strValue; + } + + NoNullCheck noNullCheck = new NoNullCheck(); + assertTrue(validator.validateTop(TOP, noNullCheck).isValid()); + + /* + * Class with conflicting minimum and maximum, where the value doesn't satisfy + * either of them. This should only generate one result, rather than one for each + * check. Note: the "max" check occurs before the "min" check, so that's the one + * we expect in the result. + */ + class MinAndMax { + @Getter + @Min(200) + @Max(100) + Integer intValue; + } + + MinAndMax minAndMax = new MinAndMax(); + minAndMax.intValue = 150; + BeanValidationResult result = validator.validateTop(INT_FIELD, minAndMax); + assertFalse(result.isValid()); + assertInvalid("testValidateField", result, INT_FIELD, "maximum"); + assertFalse(result.getResult().contains("minimum")); + } + + @Test + public void testGetValue() { + /* + * Class where the getter throws an exception. + */ + class GetExcept { + @NotNull + String strValue; + + @SuppressWarnings("unused") + public String getStrValue() { + throw EXPECTED_EXCEPTION; + } + } + + GetExcept getExcept = new GetExcept(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, getExcept)) + .withMessageContaining(STR_FIELD).withMessageContaining("accessor threw"); + } + + @Test + public void testVerNotNull() { + class NotNullCheck { + @Getter + @Min(1) + @NotNull + Integer intValue; + } + + NotNullCheck notNullCheck = new NotNullCheck(); + assertInvalid("testVerNotNull", validator.validateTop(TOP, notNullCheck), INT_FIELD, "null"); + + notNullCheck.intValue = INT_VALUE; + assertTrue(validator.validateTop(TOP, notNullCheck).isValid()); + + notNullCheck.intValue = 0; + assertInvalid("testVerNotNull", validator.validateTop(TOP, notNullCheck), INT_FIELD, "minimum"); + } + + @Test + public void testVerNotBlank() { + class NotBlankCheck { + @Getter + @NotBlank + String strValue; + } + + NotBlankCheck notBlankCheck = new NotBlankCheck(); + + // null + assertTrue(validator.validateTop(TOP, notBlankCheck).isValid()); + + // empty + notBlankCheck.strValue = ""; + assertInvalid("testVerNotNull", validator.validateTop(TOP, notBlankCheck), STR_FIELD, "blank"); + + // spaces + notBlankCheck.strValue = " "; + assertInvalid("testVerNotNull", validator.validateTop(TOP, notBlankCheck), STR_FIELD, "blank"); + + // not blank + notBlankCheck.strValue = STRING_VALUE; + assertTrue(validator.validateTop(TOP, notBlankCheck).isValid()); + + /* + * Class with "blank" annotation on an integer. + */ + class NotBlankInt { + @Getter + @NotBlank + int intValue; + } + + NotBlankInt notBlankInt = new NotBlankInt(); + notBlankInt.intValue = 0; + assertTrue(validator.validateTop(TOP, notBlankInt).isValid()); + } + + @Test + public void testVerMax() { + /* + * Field is not a number. + */ + class NonNumeric { + @Getter + @Max(100) + String strValue; + } + + NonNumeric nonNumeric = new NonNumeric(); + nonNumeric.strValue = STRING_VALUE; + assertTrue(validator.validateTop(TOP, nonNumeric).isValid()); + + /* + * Integer field. + */ + class IntField { + @Getter + @Max(100) + Integer intValue; + } + + // ok value + IntField intField = new IntField(); + assertNumeric("testVerMax-integer", intField, value -> { + intField.intValue = value; + }, INT_FIELD, "maximum", INT_VALUE, 100, 101); + + /* + * Long field. + */ + class LongField { + @Getter + @Max(100) + Long numValue; + } + + // ok value + LongField longField = new LongField(); + assertNumeric("testVerMax-long", longField, value -> { + longField.numValue = (long) value; + }, NUM_FIELD, "maximum", INT_VALUE, 100, 101); + + /* + * Float field. + */ + class FloatField { + @Getter + @Max(100) + Float numValue; + } + + // ok value + FloatField floatField = new FloatField(); + assertNumeric("testVerMax-float", floatField, value -> { + floatField.numValue = (float) value; + }, NUM_FIELD, "maximum", INT_VALUE, 100, 101); + + /* + * Double field. + */ + class DoubleField { + @Getter + @Max(100) + Double numValue; + } + + // ok value + DoubleField doubleField = new DoubleField(); + assertNumeric("testVerMax-double", doubleField, value -> { + doubleField.numValue = (double) value; + }, NUM_FIELD, "maximum", INT_VALUE, 100, 101); + + /* + * Atomic Integer field (which is a subclass of Number). + */ + class AtomIntValue { + @Getter + @Max(100) + AtomicInteger numValue; + } + + // ok value + AtomIntValue atomIntField = new AtomIntValue(); + atomIntField.numValue = new AtomicInteger(INT_VALUE); + assertTrue(validator.validateTop(TOP, atomIntField).isValid()); + + // invalid value - should be OK, because it isn't an Integer + atomIntField.numValue.set(101); + assertTrue(validator.validateTop(TOP, atomIntField).isValid()); + } + + @Test + public void testVerMin() { + /* + * Field is not a number. + */ + class NonNumeric { + @Getter + @Min(10) + String strValue; + } + + NonNumeric nonNumeric = new NonNumeric(); + nonNumeric.strValue = STRING_VALUE; + assertTrue(validator.validateTop(TOP, nonNumeric).isValid()); + + /* + * Integer field. + */ + class IntField { + @Getter + @Min(10) + Integer intValue; + } + + // ok value + IntField intField = new IntField(); + assertNumeric("testVerMin-integer", intField, value -> { + intField.intValue = value; + }, INT_FIELD, "minimum", INT_VALUE, 10, 1); + + /* + * Long field. + */ + class LongField { + @Getter + @Min(10) + Long numValue; + } + + // ok value + LongField longField = new LongField(); + assertNumeric("testVerMin-long", longField, value -> { + longField.numValue = (long) value; + }, NUM_FIELD, "minimum", INT_VALUE, 10, 1); + + /* + * Float field. + */ + class FloatField { + @Getter + @Min(10) + Float numValue; + } + + // ok value + FloatField floatField = new FloatField(); + assertNumeric("testVerMin-float", floatField, value -> { + floatField.numValue = (float) value; + }, NUM_FIELD, "minimum", INT_VALUE, 10, 1); + + /* + * Double field. + */ + class DoubleField { + @Getter + @Min(10) + Double numValue; + } + + // ok value + DoubleField doubleField = new DoubleField(); + assertNumeric("testVerMin-double", doubleField, value -> { + doubleField.numValue = (double) value; + }, NUM_FIELD, "minimum", INT_VALUE, 10, 1); + + /* + * Atomic Integer field (which is a subclass of Number). + */ + class AtomIntValue { + @Getter + @Min(10) + AtomicInteger numValue; + } + + // ok value + AtomIntValue atomIntField = new AtomIntValue(); + atomIntField.numValue = new AtomicInteger(INT_VALUE); + assertTrue(validator.validateTop(TOP, atomIntField).isValid()); + + // invalid value - should be OK, because it isn't an Integer + atomIntField.numValue.set(101); + assertTrue(validator.validateTop(TOP, atomIntField).isValid()); + } + + private <T> void assertNumeric(String testName, T object, Consumer<Integer> setter, String fieldName, + String expectedText, int inside, int edge, int outside) { + setter.accept(inside); + assertTrue(validator.validateTop(TOP, object).isValid()); + + // on the edge + setter.accept(edge); + assertTrue(validator.validateTop(TOP, object).isValid()); + + // invalid + setter.accept(outside); + assertInvalid("testVerNotNull", validator.validateTop(TOP, object), fieldName, expectedText); + } + + @Test + public void testGetAccessor() { + /* + * Class with "get" method has been tested through-out this junit, so no need to + * do more. + */ + + /* + * Class with "is" method. + */ + class IsField { + @NotNull + Boolean boolValue; + + @SuppressWarnings("unused") + public Boolean isBoolValue() { + return boolValue; + } + } + + // ok value + IsField isField = new IsField(); + isField.boolValue = true; + assertTrue(validator.validateTop(TOP, isField).isValid()); + + // invalid value + isField.boolValue = null; + assertInvalid("testGetAccessor", validator.validateTop(TOP, isField), BOOL_FIELD, "null"); + } + + @Test + public void testGetMethod() { + /* + * Class with some fields annotated and some not. + */ + @Getter + class Mixed { + Integer intValue; + + @NotNull + String strValue; + } + + // invalid + Mixed mixed = new Mixed(); + BeanValidationResult result = validator.validateTop(TOP, mixed); + assertInvalid("testGetMethod", result, STR_FIELD, "null"); + assertFalse(result.getResult().contains(INT_FIELD)); + + // intValue is null, but it isn't annotated so this should be valid + mixed.strValue = STRING_VALUE; + assertTrue(validator.validateTop(TOP, mixed).isValid()); + } + + @Test + public void testValidMethod() { + + /* + * Plain getter. + */ + class PlainGetter { + @NotNull + @Getter + String strValue; + } + + // invalid + PlainGetter plainGetter = new PlainGetter(); + assertInvalid("testValidMethod", validator.validateTop(TOP, plainGetter), STR_FIELD, "null"); + + // valid + plainGetter.strValue = STRING_VALUE; + assertTrue(validator.validateTop(TOP, plainGetter).isValid()); + + /* + * Static getter - should throw an exception. + */ + StaticGetter staticGetter = new StaticGetter(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, staticGetter)) + .withMessageContaining(STR_FIELD).withMessageContaining(GET_MSG); + + /* + * Protected getter - should throw an exception. + */ + class ProtectedGetter { + @NotNull + @Getter(AccessLevel.PROTECTED) + String strValue; + } + + ProtectedGetter protectedGetter = new ProtectedGetter(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, protectedGetter)) + .withMessageContaining(STR_FIELD).withMessageContaining(GET_MSG); + + /* + * getter is a "void" function - should throw an exception. + */ + class VoidGetter { + @NotNull + String strValue; + + @SuppressWarnings("unused") + public void getStrValue() { + // do nothing + } + } + + VoidGetter voidGetter = new VoidGetter(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, voidGetter)) + .withMessageContaining(STR_FIELD).withMessageContaining(GET_MSG); + + /* + * getter takes an argument - should throw an exception. + */ + class ArgGetter { + @NotNull + String strValue; + + @SuppressWarnings("unused") + public String getStrValue(String echo) { + return echo; + } + } + + ArgGetter argGetter = new ArgGetter(); + assertThatIllegalArgumentException().isThrownBy(() -> validator.validateTop(TOP, argGetter)) + .withMessageContaining(STR_FIELD).withMessageContaining(GET_MSG); + } + + + private void assertInvalid(String testName, BeanValidationResult result, String fieldName, String message) { + String text = result.getResult(); + assertNotNull(testName, text); + assertTrue(testName, text.contains(fieldName)); + assertTrue(testName, text.contains(message)); + } + + /** + * Annotated static field. + */ + private static class AnnotFieldStatic { + @NotNull + static String strValue; + } + + /** + * Annotated class with a static field. + */ + @NotNull + private static class AnnotClassStatic { + @SuppressWarnings("unused") + static String strValue; + } + + /** + * Class with an annotated field, but a static "getter". + */ + private static class StaticGetter { + @NotNull + String strValue; + + @SuppressWarnings("unused") + public static String getStrValue() { + return STRING_VALUE; + } + } +} |