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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.slime;
import com.yahoo.text.Utf8;
import org.junit.Test;
import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;
import java.nio.charset.StandardCharsets;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Ulf Lilleengen
*/
public class SlimeUtilsTest {
@Test
public void test_copying_slime_types_into_cursor() {
Slime slime = new Slime();
Cursor root = slime.setObject();
root.setString("foo", "foobie");
Cursor subobj = root.setObject("bar");
Slime slime2 = new Slime();
Cursor root2 = slime2.setObject();
root2.setString("a", "a");
root2.setLong("b", 2);
root2.setBool("c", true);
root2.setDouble("d", 3.14);
root2.setData("e", new byte[]{0x64});
root2.setNix("f");
SlimeUtils.copyObject(slime2.get(), subobj);
assertEquals("{\"foo\":\"foobie\",\"bar\":{\"a\":\"a\",\"b\":2,\"c\":true,\"d\":3.14,\"e\":\"0x64\",\"f\":null}}",
root.toString());
}
@Test
public void test_copying_slime_arrays_into_cursor() {
Slime slime = new Slime();
Cursor root = slime.setObject();
root.setString("foo", "foobie");
Cursor subobj = root.setObject("bar");
Slime slime2 = new Slime();
Cursor root2 = slime2.setObject();
Cursor array = root2.setArray("a");
array.addString("foo");
array.addLong(4);
array.addBool(true);
array.addDouble(3.14);
array.addNix();
array.addData(new byte[]{0x64});
Cursor objinner = array.addObject();
objinner.setString("inner", "binner");
SlimeUtils.copyObject(slime2.get(), subobj);
assertEquals("{\"foo\":\"foobie\",\"bar\":{\"a\":[\"foo\",4,true,3.14,null,\"0x64\",{\"inner\":\"binner\"}]}}",
root.toString());
}
@Test
public void test_slime_to_json() throws IOException {
Slime slime = new Slime();
Cursor root = slime.setObject();
root.setString("foo", "foobie");
root.setObject("bar");
String json = Utf8.toString(SlimeUtils.toJsonBytes(slime));
assertEquals("{\"foo\":\"foobie\",\"bar\":{}}", json);
}
@Test
public void test_json_to_slime() {
byte[] json = Utf8.toBytes("{\"foo\":\"foobie\",\"bar\":{}}");
Slime slime = SlimeUtils.jsonToSlime(json);
assertEquals("foobie", slime.get().field("foo").asString());
assertTrue(slime.get().field("bar").valid());
}
@Test
public void test_json_to_slime_or_throw() {
Slime slime = SlimeUtils.jsonToSlimeOrThrow("{\"foo\":\"foobie\",\"bar\":{}}");
assertEquals("foobie", slime.get().field("foo").asString());
assertTrue(slime.get().field("bar").valid());
}
@Test
public void test_invalid_json() {
try {
SlimeUtils.jsonToSlimeOrThrow("foo");
fail();
} catch (RuntimeException e) {
assertEquals("Unexpected character 'o'", e.getMessage());
}
}
@Test
public void test_stream() {
String json = "{\"constant\":0,\"list\":[1,2,4,3,0],\"object\":{\"a\":1,\"c\":3,\"b\":2}}";
Inspector inspector = SlimeUtils.jsonToSlimeOrThrow(json).get();
assertEquals(0, SlimeUtils.entriesStream(inspector.field("constant")).count());
assertEquals(0, SlimeUtils.entriesStream(inspector.field("object")).count());
assertEquals(List.of(1L, 2L, 4L, 3L, 0L),
SlimeUtils.entriesStream(inspector.field("list")).map(Inspector::asLong).toList());
}
@Test
public void verifyObjectEquality() {
Slime slimeLeft = new Slime();
Cursor left = slimeLeft.setObject();
left.setString("a", "A");
left.setString("b", "B");
Slime slimeRight = new Slime();
Cursor right = slimeRight.setObject();
right.setString("b", "B");
right.setString("a", "A");
assertTrue(left.equalTo(right));
assertTrue(right.equalTo(left));
assertTrue(left.equalTo(left));
right.setString("c", "C");
assertFalse(left.equalTo(right));
assertFalse(right.equalTo(left));
}
@Test
public void verifyArrayEquality() {
Slime slimeLeft = new Slime();
Cursor left = slimeLeft.setArray();
left.addArray().addString("a");
left.addArray().addString("b");
Slime slimeRight = new Slime();
Cursor right = slimeRight.setArray();
right.addArray().addString("a");
right.addArray().addString("b");
assertTrue(left.equalTo(right));
assertTrue(right.equalTo(left));
assertTrue(left.equalTo(left));
right.addArray().addString("c");
assertFalse(left.equalTo(right));
assertFalse(right.equalTo(left));
// Order matters
Slime slimeRight2 = new Slime();
Cursor right2 = slimeRight2.setObject();
right2.addArray().addString("b");
right2.addArray().addString("a");
assertFalse(left.equalTo(right2));
assertFalse(right2.equalTo(left));
}
@Test
public void verifyPrimitiveEquality() {
Slime left = new Slime();
Cursor leftObject = left.setObject();
populateWithPrimitives(leftObject, true);
Slime right = new Slime();
Cursor rightObject = right.setObject();
populateWithPrimitives(rightObject, true);
assertEqualTo(left.get().field("bool"), right.get().field("bool"));
assertEqualTo(left.get().field("nix"), right.get().field("nix"));
assertEqualTo(left.get().field("long"), right.get().field("long"));
assertEqualTo(left.get().field("string"), right.get().field("string"));
assertEqualTo(left.get().field("data"), right.get().field("data"));
assertEqualTo(left.get(), right.get());
assertNotEqualTo(left.get().field("bool"), right.get().field("nix"));
assertNotEqualTo(left.get().field("nix"), right.get().field("string"));
assertNotEqualTo(left.get().field("string"), right.get().field("data"));
assertNotEqualTo(left.get().field("bool"), right.get().field("data"));
assertNotEqualTo(left.get().field("bool"), right.get().field("long"));
}
@Test
public void verifyPrimitiveNotEquality() {
Slime left = new Slime();
Cursor leftObject = left.setObject();
populateWithPrimitives(leftObject, true);
Slime right = new Slime();
Cursor rightObject = right.setObject();
populateWithPrimitives(rightObject, false);
assertNotEqualTo(left.get().field("bool"), right.get().field("bool"));
assertEqualTo(left.get().field("nix"), right.get().field("nix"));
assertNotEqualTo(left.get().field("long"), right.get().field("long"));
assertNotEqualTo(left.get().field("string"), right.get().field("string"));
assertNotEqualTo(left.get().field("data"), right.get().field("data"));
assertNotEqualTo(left.get(), right.get());
}
@Test
public void testNixEquality() {
assertEqualTo(NixValue.invalid(), NixValue.invalid());
assertEqualTo(NixValue.instance(), NixValue.instance());
assertNotEqualTo(NixValue.instance(), NixValue.invalid());
assertNotEqualTo(NixValue.invalid(), NixValue.instance());
}
private void populateWithPrimitives(Cursor cursor, boolean enabled) {
cursor.setBool("bool", enabled ? true : false);
cursor.setNix("nix");
cursor.setLong("long", enabled ? 1 : 0);
cursor.setString("string", enabled ? "enabled" : "disabled");
cursor.setDouble("double", enabled ? 1.5 : 0.5);
cursor.setData("data", (enabled ? "edata" : "ddata").getBytes(StandardCharsets.UTF_8));
}
private void assertEqualTo(Inspector left, Inspector right) {
assertTrue("'" + left + "' is not equal to '" + right + "'", left.equalTo(right));
}
private void assertNotEqualTo(Inspector left, Inspector right) {
assertTrue("'" + left + "' is equal to '" + right + "'", !left.equalTo(right));
}
}
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