geb.error.SingleElementNavigatorOnlyMethodException.groovy Maven / Gradle / Ivy

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Geb (pronounced "jeb") is a browser automation solution. It brings together the power of WebDriver, the elegance of jQuery content selection, the robustness of Page Object modelling and the expressiveness of the Groovy language.

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/*
 * Copyright 2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package geb.error

import java.lang.reflect.Method

class SingleElementNavigatorOnlyMethodException extends GebException {

    SingleElementNavigatorOnlyMethodException(Method singleElementMethod, int navigatorSize) {
        super(buildMessage(singleElementMethod, navigatorSize))
    }

    private static String buildMessage(Method singleElementMethod, int navigatorSize) {
        "Method ${methodDescription(singleElementMethod)} can only be called on single element navigators but it was called on a navigator with size $navigatorSize. " +
                "Please use the spread operator to call this method on all elements of this navigator or change the selector used to create this navigator to only match a single element."
    }

    private static String methodDescription(Method method) {
        def parameterTypeNames = method.parameterTypes*.name
        "$method.name(${parameterTypeNames.join(', ')})"
    }
}