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io.cucumber.core.runner.PickleStepDefinitionMatch Maven / Gradle / Ivy
package io.cucumber.core.runner;
import io.cucumber.core.backend.CucumberBackendException;
import io.cucumber.core.backend.CucumberInvocationTargetException;
import io.cucumber.core.backend.ParameterInfo;
import io.cucumber.core.backend.StepDefinition;
import io.cucumber.core.backend.TestCaseState;
import io.cucumber.core.exception.CucumberException;
import io.cucumber.core.gherkin.Step;
import io.cucumber.core.stepexpression.Argument;
import io.cucumber.cucumberexpressions.CucumberExpressionException;
import io.cucumber.datatable.CucumberDataTableException;
import io.cucumber.datatable.UndefinedDataTableTypeException;
import io.cucumber.docstring.CucumberDocStringException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import static io.cucumber.core.runner.StackManipulation.removeFrameworkFrames;
import static io.cucumber.core.runner.StackManipulation.removeFrameworkFramesAndAppendStepLocation;
class PickleStepDefinitionMatch extends Match implements StepDefinitionMatch {
private final StepDefinition stepDefinition;
private final URI uri;
private final Step step;
PickleStepDefinitionMatch(List arguments, StepDefinition stepDefinition, URI uri, Step step) {
super(arguments, stepDefinition.getLocation());
this.stepDefinition = stepDefinition;
this.uri = uri;
this.step = step;
}
@Override
public void runStep(TestCaseState state) throws Throwable {
List arguments = getArguments();
List parameterInfos = stepDefinition.parameterInfos();
if (parameterInfos != null && arguments.size() != parameterInfos.size()) {
throw arityMismatch(parameterInfos.size());
}
List result = new ArrayList<>();
try {
for (Argument argument : arguments) {
result.add(argument.getValue());
}
} catch (UndefinedDataTableTypeException e) {
throw registerDataTableTypeInConfiguration(e);
} catch (CucumberExpressionException | CucumberDataTableException | CucumberDocStringException e) {
CucumberInvocationTargetException targetException;
if ((targetException = causedByCucumberInvocationTargetException(e)) != null) {
throw removeFrameworkFrames(targetException);
}
throw couldNotConvertArguments(e);
} catch (CucumberBackendException e) {
throw couldNotInvokeArgumentConversion(e);
} catch (CucumberInvocationTargetException e) {
throw removeFrameworkFrames(e);
}
try {
stepDefinition.execute(result.toArray(new Object[0]));
} catch (CucumberBackendException e) {
throw couldNotInvokeStep(e, result);
} catch (CucumberInvocationTargetException e) {
throw removeFrameworkFramesAndAppendStepLocation(e, getStepLocation());
}
}
@Override
public void dryRunStep(TestCaseState state) throws Throwable {
// Do nothing
}
@Override
public String getCodeLocation() {
return stepDefinition.getLocation();
}
private CucumberException arityMismatch(int parameterCount) {
List arguments = createArgumentsForErrorMessage();
return new CucumberException(String.format(
"Step [%s] is defined with %s parameters at '%s'.\n" +
"However, the gherkin step has %s arguments%sStep text: %s",
stepDefinition.getPattern(),
parameterCount,
stepDefinition.getLocation(),
arguments.size(),
formatArguments(arguments),
step.getText()));
}
private CucumberException registerDataTableTypeInConfiguration(Exception e) {
// TODO: Add doc URL
return new CucumberException(String.format("" +
"Could not convert arguments for step [%s] defined at '%s'.\n" +
"It appears you did not register a data table type.",
stepDefinition.getPattern(),
stepDefinition.getLocation()), e);
}
private CucumberInvocationTargetException causedByCucumberInvocationTargetException(RuntimeException e) {
Throwable cause = e.getCause();
if (cause instanceof CucumberInvocationTargetException) {
return (CucumberInvocationTargetException) cause;
}
return null;
}
private CucumberException couldNotConvertArguments(Exception e) {
return new CucumberException(String.format(
"Could not convert arguments for step [%s] defined at '%s'.",
stepDefinition.getPattern(),
stepDefinition.getLocation()), e);
}
private CucumberException couldNotInvokeArgumentConversion(CucumberBackendException e) {
// TODO: Add doc URL
return new CucumberException(String.format("" +
"Could not convert arguments for step [%s] defined at '%s'.\n" +
"It appears there was a problem with a hook or transformer definition.",
stepDefinition.getPattern(),
stepDefinition.getLocation()), e);
}
private Throwable couldNotInvokeStep(CucumberBackendException e, List result) {
String argumentTypes = createArgumentTypes(result);
// TODO: Add doc URL
return new CucumberException(String.format("" +
"Could not invoke step [%s] defined at '%s'.\n" +
"It appears there was a problem with the step definition.\n" +
"The converted arguments types were (" + argumentTypes + ")",
stepDefinition.getPattern(),
stepDefinition.getLocation()), e);
}
private StackTraceElement getStepLocation() {
return new StackTraceElement("✽", step.getText(), uri.toString(), step.getLine());
}
private List createArgumentsForErrorMessage() {
List arguments = new ArrayList<>(getArguments().size());
for (Argument argument : getArguments()) {
arguments.add(argument.toString());
}
return arguments;
}
private String formatArguments(List arguments) {
if (arguments.isEmpty()) {
return ".\n";
}
StringBuilder formatted = new StringBuilder(":\n");
for (String argument : arguments) {
formatted.append(" * ").append(argument).append("\n");
}
return formatted.toString();
}
private String createArgumentTypes(List result) {
return result.stream()
.map(o -> o == null ? "null" : o.getClass().getName())
.collect(Collectors.joining(", "));
}
public String getPattern() {
return stepDefinition.getPattern();
}
StepDefinition getStepDefinition() {
return stepDefinition;
}
}
