Best Spectrum code snippet using specs.EagerLetSpecs.getSuiteWithEagerLetAndSpecThatThrowsError
Source:EagerLetSpecs.java
...172 });173 });174 describe("state of eager let between specs", () -> {175 it("should not be preserved when a spec has an exception", () -> {176 final Result result = SpectrumHelper.run(getSuiteWithEagerLetAndSpecThatThrowsError());177 assertThat(result.getFailures(), hasSize(1));178 final Failure failure = result.getFailures().get(0);179 assertThat(failure.getException(), instanceOf(RuntimeException.class));180 assertThat(failure.getException().getMessage(), is("Bong!"));181 });182 it("should not be preserved when after has an exception", () -> {183 final Result result = SpectrumHelper.run(getSuiteWithEagerLetAndAfterThatThrowsError());184 assertThat(result.getFailures(), hasSize(2));185 assertThat(result.getFailures().get(0).getMessage(), is("Bong!"));186 assertThat(result.getFailures().get(1).getMessage(), is("Bong!"));187 });188 });189 });190 describe("eager let across multiple threads", () -> {191 final Supplier<List<String>> listSupplier = eagerLet(ArrayList::new);192 it("can share the object with worker thread", () -> {193 // when the supplier's object has something added to it194 listSupplier.get().add("Hello world");195 // used as a box for the integer196 AtomicInteger atomicInteger = new AtomicInteger();197 // when we access the object within a worker thread198 Thread thread = new Thread(() -> atomicInteger.set(listSupplier.get().size()));199 thread.start();200 thread.join();201 // then the worker thread saw the same object as the outer thread202 // then the worker thread saw the same object as the outer thread203 assertThat(atomicInteger.get(), is(1));204 });205 });206 });207 }208 private static Class<?> getSuiteThatUsesEagerLetValueOutsideSpec() {209 class Suite {210 {211 describe("a thing", () -> {212 final Supplier<Integer> value = eagerLet(() -> 1);213 value.get();214 it("does stuff", () -> {215 });216 it("does more stuff", () -> {217 });218 });219 }220 }221 return Suite.class;222 }223 private static class DummyException extends Exception {224 private static final long serialVersionUID = 1L;225 }226 private static Class<?> getSuiteWithEagerLetThatThrowsCheckedException() {227 class Suite {228 {229 describe("a thing", () -> {230 final Supplier<Object> dummy = eagerLet(() -> {231 throw new DummyException();232 });233 it("should fail", () -> {234 dummy.get();235 });236 });237 }238 }239 return Suite.class;240 }241 private static class DummyRuntimeException extends RuntimeException {242 private static final long serialVersionUID = 1L;243 }244 private static Class<?> getSuiteWithEagerLetThatThrowsRuntimeException() {245 class Suite {246 {247 describe("a thing", () -> {248 final Supplier<Object> dummy = eagerLet(() -> {249 throw new DummyRuntimeException();250 });251 it("should fail", () -> {252 dummy.get();253 });254 });255 }256 }257 return Suite.class;258 }259 private static class DummyError extends Error {260 private static final long serialVersionUID = 1L;261 }262 private static Class<?> getSuiteWithEagerLetThatThrowsError() {263 class Suite {264 {265 describe("a thing", () -> {266 final Supplier<Object> dummy = eagerLet(() -> {267 throw new DummyError();268 });269 it("should fail", () -> {270 dummy.get();271 });272 });273 }274 }275 return Suite.class;276 }277 private static class DummyThrowable extends Throwable {278 private static final long serialVersionUID = 1L;279 }280 private static Class<?> getSuiteWithEagerLetThatThrowsCustomThrowable() {281 class Suite {282 {283 describe("a thing", () -> {284 final Supplier<Object> dummy = eagerLet(() -> {285 throw new DummyThrowable();286 });287 it("should fail", () -> {288 dummy.get();289 });290 });291 }292 }293 return Suite.class;294 }295 private static Class<?> getSuiteWithEagerLetAndSpecThatThrowsError() {296 class Suite {297 {298 describe("a thing", () -> {299 final Supplier<ArrayList<String>> list = eagerLet(ArrayList::new);300 it("has a failing spec which changes the eager let", () -> {301 list.get().add("hello world");302 throw new RuntimeException("Bong!");303 });304 it("has a spec which should still receive a fresh eager let", () -> {305 assertThat(list.get().isEmpty(), is(true));306 });307 });308 }309 }...
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