Generate the Truth extensions for value objects for Java 8+.
Add the @AutoTruth annotation to a custom subject class and specify a value object class.
This example uses Employee.java.
@AutoSubject(Employee.class)
class EmployeeSubject {
}Then AutoTruth generates the AutoEmployeeSubject that is declared the following methods:
hasUsername(String)hasId(long)hasName(String)hasLocation(Location)isCeo()isNotCeo()
You can extends the AutoEmployeeSubject as follows, if the generated methods are not enough.
@AutoSubject(Employee.class)
public class EmployeeSubject extends AutoEmployeeSubject {
private final Employee actual;
EmployeeSubject(FailureMetadata failureMetadata, Employee actual) {
super(failureMetadata, actual);
this.actual = actual;
}
public static EmployeeSubject assertThat(Employee actual) {
return Truth.assertAbout(EmployeeSubject::new).that(actual);
}
public LocationSubject location() {
final Location actual = this.actual.location();
return check("location()").about(LocationSubject::new).that(actual);
}
@AutoSubject(Employee.Location.class)
public static class LocationSubject {}
}AutoTruth supports the following types:
booleanbytecharshortintlongfloatdouble
boolean[]byte[]char[]short[]int[]long[]float[]double[]Object[]
OptionalOptionalIntOptionalLongOptionalDoubleStreamIntStreamLongStream
EnumObjectClassStringIterableMap
The AutoTruth packages are available on the GitHub Packages.
You need an access token to install packages in GitHub Packages.
Instructions for creating an access token is described in GitHub Help.
repositories {
mavenCentral()
jcenter()
maven {
url 'https://maven.pkg.github.com/t28hub/auto-truth'
credentials {
username = 'YOUR_GITHUB_USERNAME'
password = 'YOUR_GITHUB_TOKEN'
}
}
}
dependencies {
testImplementation "com.google.truth:truth:$LATEST_TRUTH_VERSION"
testImplementation "com.google.truth.extensions:truth-java8-extension:$LATEST_TRUTH_VERSION"
testImplementation "io.t28.auto:auto-truth-annotations:$LATEST_VERSION"
testAnnotationProcessor "io.t28.auto:auto-truth-processor:$LATEST_VERSION"
}
See GitHub Help.
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