/*

* Copyright © 2012 The Feign Authors (feign@commonhaus.dev)

*

* 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.

*/

package feign.template;

import static org.assertj.core.api.Assertions.assertThat;

import static org.assertj.core.api.Assertions.assertThatObject;

import java.util.Collections;

import org.junit.jupiter.api.Test;

class ExpressionsTest {

@Test

void simpleExpression() {

Expression expression = Expressions.create("{foo}");

assertThat(expression).isNotNull();

String expanded = expression.expand(Collections.singletonMap("foo", "bar"), false);

assertThat(expanded).isEqualToIgnoringCase("foo=bar");

}

@Test

void malformedExpression() {

String[] malformedStrings = {"{:}", "{str1:}", "{str1:{:}", "{str1:{str2:}"};

for (String malformed : malformedStrings) {

try {

Expressions.create(malformed);

} catch (Exception e) {

assertThatObject(e).isNotInstanceOf(ArrayIndexOutOfBoundsException.class);

}

}

}

@Test

void malformedBodyTemplate() {

String bodyTemplate = "{" + "a".repeat(65536) + "}";

try {

BodyTemplate template = BodyTemplate.create(bodyTemplate);

} catch (Throwable e) {

assertThatObject(e).isNotInstanceOf(StackOverflowError.class);

}

}

@Test

void androidCompatibility() {

// To match close brace on Android, it must be escaped due to the simpler ICU regex engine

String pattern = Expressions.EXPRESSION_PATTERN.pattern();

assertThat(pattern.contains("}")).isEqualTo(pattern.contains("\\}"));

}

}