Groovy example source code file (ImplicitClosureCallRenderingTest.groovy)

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Java - Groovy tags/keywords

funcholder, funcholder, groovytestcase, groovytestcase, implicitclosurecallrenderingtest, implicitclosurecallrenderingtest

The Groovy ImplicitClosureCallRenderingTest.groovy source code

/*
 * Copyright 2008 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 org.codehaus.groovy.runtime.powerassert

import static AssertionTestUtil.*

/**
 * Tests rendering of assertions that contain a closure call
 * with the implicit "foo(args)" syntax instead of the explicit
 * "foo.call(args)" syntax. See GROOVY-4344.
 *
 * @author Peter Niederwieser
 */
class ImplicitClosureCallRenderingTest extends GroovyTestCase {
    void testWithLocalVariable() {
        isRendered """
assert func(42) == null
       |        |
       42       false
        """, {
            def func = { it }
            assert func(42) == null
        }
    }

    def assertFunc(func) {
        assert func(42) == null
    }

    void testWithMethodArgument() {
        isRendered """
assert func(42) == null
       |        |
       42       false
        """, {
            assertFunc { it }
        }
    }

    private funcField = { it }

    void testWithField() {
        isRendered """
assert funcField(42) == null
       |             |
       42            false
        """, {
            assert funcField(42) == null
        }
    }

    def func = { it }

    void testWithProperty() {
        isRendered """
assert func(42) == null
       |        |
       42       false
        """, {
            assert func(42) == null
        }
    }

    private class FuncHolder {
        def func = { it }
    }

    void testWithQualifiedProperty() {
        def holder = new FuncHolder()

        isRendered """
assert holder.func(42) == null
       |      |        |
       |      42       false
       ${holder.toString()}
        """, {
            assert holder.func(42) == null
        }
    }

    // for implicit closure calls that don't
    // look like method calls, we don't currently
    // render the return value (little practical value,
    // complicates implementation, unclear how to
    // render in an intuitive way)

     void testWithMethodCall() {
        isRendered """
assert getFunc()(42) == null
       |             |
       |             false
       ${getFunc().toString()}
        """, {
            assert getFunc()(42) == null
        }
    }

    void testWithQualifiedMethodCall() {
        def holder = new FuncHolder()

        isRendered """
assert holder.getFunc()(42) == null
       |      |             |
       |      |             false
       |      ${holder.func.toString()}
       ${holder.toString()}
        """, {
            assert holder.getFunc()(42) == null
        }
    }
}