[JVM][PicoContainer] 'org.openqa.selenium.WebDriver' is not instantiable

[Richard Paul]

I've been following a similar pattern to https://github.com/cucumber/cucumber-jvm/tree/master/examples/java-webbit-websockets-selenium for sharing the WebDriver instance across scenarios (SharedDriver).
This pattern means that a 'SharedDriver' instance is injected into steps defs etc as seen in https://github.com/cucumber/cucumber-jvm/blob/master/examples/java-webbit-websockets-selenium/src/test/java/cucumber/examples/java/websockets/NavigationStepdefs.java

I'd like my step defs (and other classes) to depend on WebDriver, not my specific subclass SharedDriver to allow code reuse between teams etc, however changing the constructor from:

public NavigationStepdefs(SharedDriver webDriver) {
  this.webDriver = webDriver;
}

to

public NavigationStepdefs(WebDriver webDriver) {

  this.webDriver = webDriver;

}

results in the following exception:
org.picocontainer.injectors.AbstractInjector$NotConcreteRegistrationException: Bad Access: 'org.openqa.selenium.WebDriver' is not instantiable
    at org.picocontainer.injectors.AbstractInjector.checkConcrete(AbstractInjector.java:86)
    at org.picocontainer.injectors.AbstractInjector.<init>(AbstractInjector.java:67)
    at org.picocontainer.injectors.SingleMemberInjector.<init>(SingleMemberInjector.java:43)
    at org.picocontainer.injectors.ConstructorInjector.<init>(ConstructorInjector.java:104)

It seem that PicoContainer doesn't recognise SharedDriver as a type of WebDriver, even though it extends EventFiringWebDriver which in turn implements WebDriver.

Would someone point me in the right direction with Cucumber's PicoContainer integration?

[aslak hellesoy]

On Fri, Nov 9, 2012 at 3:07 AM, Richard Paul <richard...@gmail.com> wrote:

I've been following a similar pattern to https://github.com/cucumber/cucumber-jvm/tree/master/examples/java-webbit-websockets-selenium for sharing the WebDriver instance across scenarios (SharedDriver).
This pattern means that a 'SharedDriver' instance is injected into steps defs etc as seen in https://github.com/cucumber/cucumber-jvm/blob/master/examples/java-webbit-websockets-selenium/src/test/java/cucumber/examples/java/websockets/NavigationStepdefs.java

I'd like my step defs (and other classes) to depend on WebDriver, not my specific subclass SharedDriver to allow code reuse between teams etc, however changing the constructor from:

public NavigationStepdefs(SharedDriver webDriver) {
  this.webDriver = webDriver;
}

to

public NavigationStepdefs(WebDriver webDriver) {

  this.webDriver = webDriver;

}

results in the following exception:
org.picocontainer.injectors.AbstractInjector$NotConcreteRegistrationException: Bad Access: 'org.openqa.selenium.WebDriver' is not instantiable
    at org.picocontainer.injectors.AbstractInjector.checkConcrete(AbstractInjector.java:86)
    at org.picocontainer.injectors.AbstractInjector.<init>(AbstractInjector.java:67)
    at org.picocontainer.injectors.SingleMemberInjector.<init>(SingleMemberInjector.java:43)
    at org.picocontainer.injectors.ConstructorInjector.<init>(ConstructorInjector.java:104)

It seem that PicoContainer doesn't recognise SharedDriver as a type of WebDriver,

Not quite. PicoContainer doesn't even know that SharedDriver exists unless it sees it in one of the constructors. PicoContainer does provide an API for registering classes explcitly: http://picocontainer.codehaus.org/javadoc/core/org/picocontainer/MutablePicoContainer.html#addComponent(java.lang.Object)

Unfortunately, PicoContainer isn't exposed to you until there is a fix for https://github.com/cucumber/cucumber-jvm/issues/330

Maybe one of the other DI containers that provide a different configuration mechanism can help you here.

 

even though it extends EventFiringWebDriver which in turn implements WebDriver.

Would someone point me in the right direction with Cucumber's PicoContainer integration?

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[Roberto Lo Giacco]

You might want to give a try to smartunit (https://github.com/rlogiacco/SmartUnit) which provides a SharedWebDriver implementation: read the wiki for more info