(chores) performance: add new performance test to verify the StringHelper (#123)
diff --git a/tests/camel-jmh/src/test/java/org/apache/camel/itest/jmh/StringHelperTest.java b/tests/camel-jmh/src/test/java/org/apache/camel/itest/jmh/StringHelperTest.java
new file mode 100644
index 0000000..6f9da79
--- /dev/null
+++ b/tests/camel-jmh/src/test/java/org/apache/camel/itest/jmh/StringHelperTest.java
@@ -0,0 +1,150 @@
+package org.apache.camel.itest.jmh;
+
+import java.util.concurrent.TimeUnit;
+
+import org.apache.camel.util.StringHelper;
+import org.junit.jupiter.api.Test;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.results.format.ResultFormatType;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+@State(Scope.Thread)
+public class StringHelperTest {
+
+ private String stringWithQuotes = "\"The quick brown fox jumps over the lazy dog\"";
+
+ private String stringToEncode = "<The quick brown fox jumps over the lazy dog>";
+
+ private String stringToCapitalize = "property";
+
+ private String dashStringToCapitalizePositive = "property-name";
+
+ private String dashStringToCapitalizeNegative = "property";
+
+ private String camelCaseToDashStringToCapitalize = "propertyName";
+
+ @Test
+ public void launchBenchmark() throws Exception {
+ Options opt = new OptionsBuilder()
+ // Specify which benchmarks to run.
+ // You can be more specific if you'd like to run only one benchmark per test.
+ .include(this.getClass().getName() + ".*")
+ // Set the following options as needed
+ .measurementIterations(10)
+ .warmupIterations(5)
+ .forks(1)
+ .resultFormat(ResultFormatType.JSON)
+ .result(this.getClass().getSimpleName() + ".jmh.json")
+ .build();
+ new Runner(opt).run();
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testFillChar(Blackhole bh) {
+ bh.consume(StringHelper.fillChars('t', 32));
+ }
+
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testFillCharNative(Blackhole bh) {
+ bh.consume(Character.toString('t').repeat(32));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testRemoveQuotes(Blackhole bh) {
+ bh.consume(StringHelper.removeQuotes(stringWithQuotes));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testXmlEncode(Blackhole bh) {
+ bh.consume(StringHelper.xmlEncode(stringToEncode));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testRemoveLeadingAndEndingQuotes(Blackhole bh) {
+ bh.consume(StringHelper.removeLeadingAndEndingQuotes(stringWithQuotes));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testIsClassNameNegative(Blackhole bh) {
+ bh.consume(StringHelper.isClassName(stringWithQuotes));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testIsClassNamePositive(Blackhole bh) {
+ bh.consume(StringHelper.isClassName(bh.getClass().getName()));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testCapitalize(Blackhole bh) {
+ bh.consume(StringHelper.capitalize(stringWithQuotes));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testDashToCamelCasePositive(Blackhole bh) {
+ bh.consume(StringHelper.capitalize(dashStringToCapitalizePositive));
+ }
+
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testDashToCamelCaseNegative(Blackhole bh) {
+ bh.consume(StringHelper.capitalize(dashStringToCapitalizeNegative));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testDashToCamelCasePositiveToDash(Blackhole bh) {
+ bh.consume(StringHelper.capitalize(dashStringToCapitalizePositive, true));
+ }
+
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testDashToCamelCaseNegative1(Blackhole bh) {
+ bh.consume(StringHelper.capitalize(dashStringToCapitalizeNegative, true));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testCamelCaseToDashPositive(Blackhole bh) {
+ bh.consume(StringHelper.camelCaseToDash(camelCaseToDashStringToCapitalize));
+ }
+
+ @Benchmark
+ @BenchmarkMode(Mode.AverageTime)
+ @OutputTimeUnit(TimeUnit.MICROSECONDS)
+ public void testCamelCaseToDashNegative(Blackhole bh) {
+ bh.consume(StringHelper.camelCaseToDash(dashStringToCapitalizeNegative));
+ }
+}
