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authorTavian Barnes <tavianator@tavianator.com>2014-10-04 12:24:51 -0400
committerTavian Barnes <tavianator@tavianator.com>2014-10-04 12:24:51 -0400
commitb8c1ca531321dbcee3ae237bad20fa8691b31f83 (patch)
tree2432ad47f835af34ebdddb2306598f6d7d34c9ff /sangria-contextual/src/test
parent5a08861fcb8c5bc5831a6b99c192aba0a7933952 (diff)
downloadsangria-b8c1ca531321dbcee3ae237bad20fa8691b31f83.tar.xz
contextual: Make ContextSensitiveBinder work with requireExplicitBindings().
Same as regular toProvider() bindings, an explicit binding for the provider is *not* required, unless to provider itself is injected somewhere. This is accomplished by generating a unique linked-key binding for each ContextSensitiveProvider.
Diffstat (limited to 'sangria-contextual/src/test')
-rw-r--r--sangria-contextual/src/test/java/com/tavianator/sangria/contextual/ContextSensitiveBinderTest.java21
1 files changed, 21 insertions, 0 deletions
diff --git a/sangria-contextual/src/test/java/com/tavianator/sangria/contextual/ContextSensitiveBinderTest.java b/sangria-contextual/src/test/java/com/tavianator/sangria/contextual/ContextSensitiveBinderTest.java
index 1e2ab49..68250cb 100644
--- a/sangria-contextual/src/test/java/com/tavianator/sangria/contextual/ContextSensitiveBinderTest.java
+++ b/sangria-contextual/src/test/java/com/tavianator/sangria/contextual/ContextSensitiveBinderTest.java
@@ -28,6 +28,7 @@ import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.MembersInjector;
+import com.google.inject.Module;
import com.google.inject.Provider;
import com.google.inject.ProvisionException;
import com.google.inject.TypeLiteral;
@@ -40,6 +41,7 @@ import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
+import static com.tavianator.sangria.test.SangriaMatchers.*;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
@@ -54,6 +56,10 @@ public class ContextSensitiveBinderTest {
public @Rule ExpectedException thrown = ExpectedException.none();
private static class SelfProvider implements ContextSensitiveProvider<String> {
+ @Inject
+ SelfProvider() {
+ }
+
// For testing getInjectionPoints() in the SPI below
@SuppressWarnings("unused")
@Inject Injector injector;
@@ -191,6 +197,21 @@ public class ContextSensitiveBinderTest {
assertThat(hasSelf.selfProvider.get(), equalTo("<unknown>"));
}
+ @Test
+ public void testBestPractices() {
+ Module module = new AbstractModule() {
+ @Override
+ protected void configure() {
+ ContextSensitiveBinder.create(binder())
+ .bind(String.class)
+ .annotatedWith(Names.named("self"))
+ .toContextSensitiveProvider(SelfProvider.class);
+ }
+ };
+ assertThat(module, is(atomic()));
+ assertThat(module, followsBestPractices());
+ }
+
private static class RequiredContextProvider implements ContextSensitiveProvider<String> {
@Override
public String getInContext(InjectionPoint injectionPoint) {