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com.google.inject.testing.fieldbinder Documentation Differences

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Class Bind

Annotation used by BoundFieldModule to indicate that a field should be bound to its valueits value using Guice.

Binding to {@code null} is only allowed for fields that are annotated {@code @Nullable}. See https://github.com/google/guice/wiki/UseNullable @see BoundFieldModule @author eatnumber1@google.com (Russ Harmon)

Class BoundFieldModule

Automatically creates Guice bindings for fields in an object annotated with Bind.

This module is intended for use in tests to reduce the code needed to bind local fields (usually mocks) for injection.

The following rules are followed in determining how fields are bound using this module:

Example use: 


 public class TestFoo {
   // bind(new TypeLiteral{@code >}() {}).toInstance(listOfObjects);
   {@literal @}Bind private List{@code } listOfObjects = Lists.of();

   // private String userName = "string_that_changes_over_time";
   // bind(String.class).toProvider(new Provider() { public String get() { return userName; }});
   {@literal @}Bind(lazy = true) private String userName;

   // bind(SuperClass.class).toInstance(aSubClass);
   {@literal @}Bind(to = SuperClass.class) private SubClass aSubClass = new SubClass();

   // bind(String.class).annotatedWith(MyBindingAnnotation.class).toInstance(myString);
   {@literal @}Bind
   {@literal @}MyBindingAnnotation
   private String myString = "hello";

   // bind(Object.class).toProvider(myProvider);
   {@literal @}Bind private Provider{@code } myProvider = getProvider();

   {@literal @}Before public void setUp() {
     Guice.createInjector(BoundFieldModule.of(this)).injectMembers(this);
   }
 }
 

 @see Bind
 @author eatnumber1@google.com (Russ Harmon)