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/**
* Copyright 2012-2020 The Feign Authors
*
* 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 feign.CollectionFormat;
import feign.Util;
import java.util.Arrays;
import java.util.Collections;
import org.junit.Test;
public class QueryTemplateTest {
@Test
public void templateToQueryString() {
QueryTemplate template =
QueryTemplate.create("name", Arrays.asList("Bob", "James", "Jason"), Util.UTF_8);
assertThat(template.toString()).isEqualToIgnoringCase("name=Bob&name=James&name=Jason");
}
@Test
public void expandEmptyCollection() {
QueryTemplate template =
QueryTemplate.create("people", Collections.singletonList("{people}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("people", Collections.emptyList()));
assertThat(expanded).isEqualToIgnoringCase("people=");
}
@Test
public void expandCollection() {
QueryTemplate template =
QueryTemplate.create("people", Collections.singletonList("{people}"), Util.UTF_8);
String expanded =
template.expand(Collections.singletonMap("people", Arrays.asList("Bob", "James", "Jason")));
assertThat(expanded).isEqualToIgnoringCase("people=Bob&people=James&people=Jason");
}
@Test
public void expandCollectionWithBlanks() {
QueryTemplate template =
QueryTemplate.create("people", Collections.singletonList("{people}"), Util.UTF_8);
String expanded = template.expand(
Collections.singletonMap("people", Arrays.asList("", "Jason", "James")));
assertThat(expanded).isEqualToIgnoringCase("people=&people=Jason&people=James");
}
@Test
public void expandSingleValue() {
QueryTemplate template =
QueryTemplate.create("name", Collections.singletonList("{value}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("value", "Magnum P.I."));
assertThat(expanded).isEqualToIgnoringCase("name=Magnum%20P.I.");
}
@Test
public void expandMultipleValues() {
QueryTemplate template =
QueryTemplate.create("name", Arrays.asList("Bob", "James", "Jason"), Util.UTF_8);
String expanded = template.expand(Collections.emptyMap());
assertThat(expanded).isEqualToIgnoringCase("name=Bob&name=James&name=Jason");
}
@Test
public void unresolvedQuery() {
QueryTemplate template =
QueryTemplate.create("name", Collections.singletonList("{value}"), Util.UTF_8);
String expanded = template.expand(Collections.emptyMap());
assertThat(expanded).isNullOrEmpty();
}
@Test
public void unresolvedMultiValueQueryTemplates() {
QueryTemplate template =
QueryTemplate.create("name", Arrays.asList("{bob}", "{james}", "{jason}"), Util.UTF_8);
String expanded = template.expand(Collections.emptyMap());
assertThat(expanded).isNullOrEmpty();
}
@Test
public void explicitNullValuesAreRemoved() {
QueryTemplate template =
QueryTemplate.create("name", Collections.singletonList("{value}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("value", null));
assertThat(expanded).isNullOrEmpty();
}
@Test
public void emptyParameterRemains() {
QueryTemplate template =
QueryTemplate.create("name", Collections.singletonList("{value}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("value", ""));
assertThat(expanded).isEqualToIgnoringCase("name=");
}
@Test
public void collectionFormat() {
QueryTemplate template =
QueryTemplate
.create("name", Arrays.asList("James", "Jason"), Util.UTF_8, CollectionFormat.CSV);
String expanded = template.expand(Collections.emptyMap());
assertThat(expanded).isEqualToIgnoringCase("name=James%2CJason");
}
@Test
public void expandName() {
QueryTemplate template =
QueryTemplate.create("{name}", Arrays.asList("James", "Jason"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("name", "firsts"));
assertThat(expanded).isEqualToIgnoringCase("firsts=James&firsts=Jason");
}
@Test
public void expandPureParameter() {
QueryTemplate template =
QueryTemplate.create("{name}", Collections.emptyList(), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("name", "firsts"));
assertThat(expanded).isEqualToIgnoringCase("firsts");
}
@Test
public void expandPureParameterWithSlash() {
QueryTemplate template =
QueryTemplate.create("/path/{name}", Collections.emptyList(), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("name", "firsts"));
assertThat(expanded).isEqualToIgnoringCase("/path/firsts");
}
@Test
public void expandNameUnresolved() {
QueryTemplate template =
QueryTemplate.create("{parameter}", Arrays.asList("James", "Jason"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("name", "firsts"));
assertThat(expanded).isEqualToIgnoringCase("%7Bparameter%7D=James&%7Bparameter%7D=Jason");
}
@Test
public void expandSingleValueWithComma() {
QueryTemplate template =
QueryTemplate.create("collection",
Collections.singletonList("{collection}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("collection", "one,two,three"));
assertThat(expanded).isEqualToIgnoringCase("collection=one%2Ctwo%2Cthree");
}
@Test
public void expandSingleValueWithPipe() {
QueryTemplate template =
QueryTemplate.create("collection",
Collections.singletonList("{collection}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("collection", "one|two|three"));
assertThat(expanded).isEqualToIgnoringCase("collection=one%7Ctwo%7Cthree");
}
@Test
public void expandSingleValueWithSpace() {
QueryTemplate template =
QueryTemplate.create("collection",
Collections.singletonList("{collection}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("collection", "one two three"));
assertThat(expanded).isEqualToIgnoringCase("collection=one%20two%20three");
}
@Test
public void expandSingleValueWithTab() {
QueryTemplate template =
QueryTemplate.create("collection",
Collections.singletonList("{collection}"), Util.UTF_8);
String expanded = template.expand(Collections.singletonMap("collection", "one\ttwo\tthree"));
assertThat(expanded).isEqualToIgnoringCase("collection=one%09two%09three");
}
@Test
public void expandSingleValueWithJson() {
QueryTemplate template =
QueryTemplate.create("json", Collections.singletonList("{json}"), Util.UTF_8);
String expanded = template.expand(
Collections.singletonMap("json", "{\"name\":\"feign\",\"version\": \"10\"}"));
assertThat(expanded).isEqualToIgnoringCase(
"json=%7B%22name%22%3A%22feign%22%2C%22version%22%3A%20%2210%22%7D");
}
@Test
public void expandCollectionValueWithBrackets() {
QueryTemplate template =
QueryTemplate.create("collection[]", Collections.singletonList("{collection[]}"),
Util.UTF_8, CollectionFormat.CSV);
String expanded = template.expand(Collections.singletonMap("collection[]",
Arrays.asList("1", "2")));
/* brackets will be pct-encoded */
assertThat(expanded).isEqualToIgnoringCase("collection%5B%5D=1%2C2");
}
@Test
public void expandCollectionValueWithDollar() {
QueryTemplate template =
QueryTemplate.create("$collection", Collections.singletonList("{$collection}"),
Util.UTF_8, CollectionFormat.CSV);
String expanded = template.expand(Collections.singletonMap("$collection",
Arrays.asList("1", "2")));
/* dollar will be pct-encoded */
assertThat(expanded).isEqualToIgnoringCase("%24collection=1%2C2");
}
}