SpringCloud/spring-cloud-function
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Add convenience methods to FunctionType

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This commit is contained in:
Dave Syer
2018-02-26 11:45:01 +00:00
parent d95ab8f173
commit f9e4546070
4 changed files with 140 additions and 41 deletions
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35
spring-cloud-function-context/src/test/java/org/springframework/cloud/function/context/FunctionTypeTests.java
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@@ -99,6 +99,16 @@ public class FunctionTypeTests {
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void plainFunctionFromApi() {
FunctionType function = FunctionType.from(Integer.class).to(String.class);
assertThat(function.getInputType()).isEqualTo(Integer.class);
assertThat(function.getOutputType()).isEqualTo(String.class);
assertThat(function.getInputWrapper()).isEqualTo(Integer.class);
assertThat(function.getOutputWrapper()).isEqualTo(String.class);
assertThat(function.isMessage()).isEqualTo(false);
}
@Test
public void fluxMessageFunctionFromType() {
Type type = ResolvableType
@@ -118,6 +128,31 @@ public class FunctionTypeTests {
assertThat(function.isMessage()).isEqualTo(true);
}
@Test
public void fluxMessageFunctionFromApi() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class).message()
.wrap(Flux.class);
assertThat(function.getInputType()).isEqualTo(Foo.class);
assertThat(function.getOutputType()).isEqualTo(Bar.class);
assertThat(function.getInputWrapper()).isEqualTo(Flux.class);
assertThat(function.getOutputWrapper()).isEqualTo(Flux.class);
assertThat(function.isMessage()).isEqualTo(true);
}
@Test
public void idempotentMessage() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class).message()
.wrap(Flux.class);
assertThat(function).isSameAs(function.message());
}
@Test
public void idempotentWrapper() {
FunctionType function = FunctionType.from(Foo.class).to(Bar.class).message()
.wrap(Flux.class);
assertThat(function).isSameAs(function.wrap(Flux.class));
}
private static class IntegerToString implements Function<Integer, String> {
@Override
public String apply(Integer t) {