tests.modjy.java.com.xhaus.modjy.ModjyTestAppInvocation Maven / Gradle / Ivy

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Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.
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/*###
#
# Copyright Alan Kennedy.
#
# You may contact the copyright holder at this uri:
#
# http://www.xhaus.com/contact/modjy
#
# The licence under which this code is released is the Apache License v2.0.
#
# The terms and conditions of this license are listed in a file contained
# in the distribution that also contained this file, under the name
# LICENSE.txt.
#
# You may also read a copy of the license at the following web address.
#
# http://modjy.xhaus.com/LICENSE.txt
#
###*/

package com.xhaus.modjy;

public class ModjyTestAppInvocation extends ModjyTestBase {

    protected void appInvocationTestSetUp() throws Exception {
        baseSetUp();
        setAppDir("");
        setAppFile("");
        setAppName("");
        setAppImportable("");
    }

    String[] importablepathElements = new String[] {"mock_framework",
                                                    "web",
                                                    "handlers",
                                                    "wsgi_handlers",};

    public void testRelativeDirectory() throws Exception {
        baseSetUp();
        setRealPath("/test_apps_dir", "test_apps_dir");
        setAppDir("$/test_apps_dir");
        setAppFile("simple_app.py");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("Hello World!", result);
    }

    public String setupAppImport(String appCallableName) throws Exception {
        StringBuffer filePathBuffer = new StringBuffer();
        StringBuffer importPath = new StringBuffer();
        for (String importablepathElement : importablepathElements) {
            String resourcePath;
            String filePath;
            filePathBuffer.append(importablepathElement);
            resourcePath = "/WEB-INF/" + LIB_PYTHON_DIR + "/" + filePathBuffer.toString();
            filePath = LIB_PYTHON_TEST_PATH + "/" + filePathBuffer.toString();
            setRealPath(resourcePath, filePath);
            filePathBuffer.append("/");
            resourcePath = "/WEB-INF/" + LIB_PYTHON_DIR + "/" + filePathBuffer.toString()
                    + "__init__.py";
            filePath = LIB_PYTHON_TEST_PATH + "/" + filePathBuffer.toString() + "__init__.py";
            setRealPath(resourcePath, filePath);
            importPath.append(importablepathElement);
            importPath.append(".");
        }
        importPath.append(appCallableName);
        return importPath.toString();
    }

    public void testAppImportCallableNoValue() throws Exception {
        appInvocationTestSetUp();
        String importableName = setupAppImport("WSGIHandlerFunction");
        setAppImportable("");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    public void testAppImportCallable() throws Exception {
        appInvocationTestSetUp();
        String importableName = setupAppImport("WSGIHandlerFunction");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("WSGIHandlerFunction called.", result);
    }

    public void testAppImportBadInstantiable() throws Exception {
        appInvocationTestSetUp();
        String importableName = setupAppImport("WSGIHandlerClass");
        setAppImportable(importableName);
        createServlet();
        doGet();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    public void testAppImportInstantiable() throws Exception {
        appInvocationTestSetUp();
        String importableName = setupAppImport("WSGIHandlerClass()");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("__call__ counter = 0", result);
    }

    public void testAppImportInstantiableCached() throws Exception {
        appInvocationTestSetUp();
        setInitParameter("cache_callables", "1");
        String importableName = setupAppImport("WSGIHandlerClass()");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("__call__ counter = 0", result);
        clearOutput();
        doGet();
        result = getOutput();
        assertEquals("__call__ counter = 1", result);
    }

    public void testAppImportInstantiableNotCached() throws Exception {
        appInvocationTestSetUp();
        setInitParameter("cache_callables", "0");
        String importableName = setupAppImport("WSGIHandlerClass()");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("__call__ counter = 0", result);
        clearOutput();
        doGet();
        result = getOutput();
        assertEquals("__call__ counter = 0", result);
    }

    public void testAppImportInstantiableMethod() throws Exception {
        appInvocationTestSetUp();
        String importableName = setupAppImport("WSGIHandlerClass().handler_fn");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("handler_fn counter = 0", result);
    }

    public void testAppImportInstantiableBadMethod() throws Exception {
        appInvocationTestSetUp();
        String importableName = setupAppImport("WSGIHandlerClass().handler_fn.fn_attr");
        setAppImportable(importableName);
        createServlet();
        doGet();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    public void testAppImportInstantiableMethodCached() throws Exception {
        appInvocationTestSetUp();
        setInitParameter("cache_callables", "1");
        String importableName = setupAppImport("WSGIHandlerClass().handler_fn");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("handler_fn counter = 0", result);
        clearOutput();
        doGet();
        result = getOutput();
        assertEquals("handler_fn counter = 1", result);
    }

    public void testAppImportInstantiableMethodNotCached() throws Exception {
        appInvocationTestSetUp();
        setInitParameter("cache_callables", "0");
        String importableName = setupAppImport("WSGIHandlerClass().handler_fn");
        setAppImportable(importableName);
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("handler_fn counter = 0", result);
        clearOutput();
        doGet();
        result = getOutput();
        assertEquals("handler_fn counter = 0", result);
    }

    public void testBadAppImport() throws Exception {
        appInvocationTestSetUp();
        setAppImportable("never.existed");
        createServlet();
        doGet();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    protected void callableQueryAppInvocationTestSetUp() throws Exception {
        baseSetUp();
        setRealPath("/test_apps_dir", "test_apps_dir");
        setAppDir("$/test_apps_dir");
        setAppFile("invocation_tests.py");
        // Callable query names should never fall back on app_callable_name
        setAppName("should_never_be_called");
        setCallableQueryName("");
        setQueryString("");
    }

    public void testCallableQueryString() throws Exception {
        callableQueryAppInvocationTestSetUp();
        setCallableQueryName("python_object");
        setQueryString("python_object=valid_callable");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("valid_callable invoked", result);
    }

    public void testCallableQueryStringNoParam() throws Exception {
        callableQueryAppInvocationTestSetUp();
        setCallableQueryName("python_object");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    public void testCallableQueryStringParamNoValue() throws Exception {
        callableQueryAppInvocationTestSetUp();
        setCallableQueryName("python_object");
        setQueryString("python_object");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    public void testCallableQueryStringParamTwoValues() throws Exception {
        // This has to fail, because a python identifier cannot contain an '='
        callableQueryAppInvocationTestSetUp();
        setCallableQueryName("python_object");
        setQueryString("python_object=valid_callable=extra_value");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

    public void testCallableQueryStringParamNonExistentValue() throws Exception {
        callableQueryAppInvocationTestSetUp();
        setCallableQueryName("python_object");
        setQueryString("python_object=invalid_callable");
        createServlet();
        doGet();
        String result = getOutput();
        assertEquals("Status code != 500: ServerError, =='" + getStatus() + "'", 500, getStatus());
    }

}