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314 lines
8.4 KiB
314 lines
8.4 KiB
#!/usr/bin/python3
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#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Generate Java Main file from a classes.xml file.
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"""
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import os
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import sys
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from pathlib import Path
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BUILD_TOP = os.getenv("ANDROID_BUILD_TOP")
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if BUILD_TOP is None:
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print("ANDROID_BUILD_TOP not set. Please run build/envsetup.sh", file=sys.stderr)
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sys.exit(1)
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# Allow us to import utils and mixins.
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sys.path.append(str(Path(BUILD_TOP)/"art"/"test"/"utils"/"python"))
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from testgen.utils import get_copyright
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import testgen.mixins as mixins
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from collections import namedtuple
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import itertools
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import functools
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import xml.etree.ElementTree as ET
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class MainClass(mixins.DumpMixin, mixins.Named, mixins.JavaFileMixin):
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"""
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A mainclass and main method for this test.
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"""
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MAIN_CLASS_TEMPLATE = """{copyright}
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class Main {{
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{test_groups}
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{test_funcs}
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{main_func}
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}}
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"""
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MAIN_FUNCTION_TEMPLATE = """
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public static void main(String[] args) {{
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{test_group_invoke}
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}}
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"""
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TEST_GROUP_INVOKE_TEMPLATE = """
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{test_name}();
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"""
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def __init__(self):
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"""
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Initialize this MainClass
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"""
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self.tests = set()
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self.global_funcs = set()
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def add_instance(self, it):
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"""
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Add an instance test for the given class
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"""
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self.tests.add(it)
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def add_func(self, f):
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"""
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Add a function to the class
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"""
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self.global_funcs.add(f)
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def get_name(self):
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"""
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Get the name of this class
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"""
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return "Main"
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def __str__(self):
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"""
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Print this class
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"""
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all_tests = sorted(self.tests)
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test_invoke = ""
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test_groups = ""
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for t in all_tests:
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test_groups += str(t)
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for t in sorted(all_tests):
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test_invoke += self.TEST_GROUP_INVOKE_TEMPLATE.format(test_name=t.get_name())
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main_func = self.MAIN_FUNCTION_TEMPLATE.format(test_group_invoke=test_invoke)
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funcs = ""
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for f in self.global_funcs:
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funcs += str(f)
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return self.MAIN_CLASS_TEMPLATE.format(copyright = get_copyright('java'),
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test_groups=test_groups,
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main_func=main_func, test_funcs=funcs)
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class InstanceTest(mixins.Named, mixins.NameComparableMixin):
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"""
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A method that runs tests for a particular concrete type, It calls the test
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cases for running it in all possible ways.
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"""
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INSTANCE_TEST_TEMPLATE = """
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public static void {test_name}() {{
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System.out.println("Testing for type {ty}");
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String s = "{ty}";
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{ty} v = new {ty}();
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{invokes}
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System.out.println("End testing for type {ty}");
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}}
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"""
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TEST_INVOKE_TEMPLATE = """
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{fname}(s, v);
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"""
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def __init__(self, main, ty):
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"""
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Initialize this test group for the given type
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"""
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self.ty = ty
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self.main = main
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self.funcs = set()
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self.main.add_instance(self)
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def get_name(self):
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"""
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Get the name of this test group
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"""
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return "TEST_NAME_"+self.ty
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def add_func(self, f):
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"""
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Add a test function to this test group
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"""
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self.main.add_func(f)
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self.funcs.add(f)
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def __str__(self):
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"""
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Returns the java code for this function
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"""
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func_invokes = ""
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for f in sorted(self.funcs, key=lambda a: (a.func, a.farg)):
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func_invokes += self.TEST_INVOKE_TEMPLATE.format(fname=f.get_name(),
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farg=f.farg)
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return self.INSTANCE_TEST_TEMPLATE.format(test_name=self.get_name(), ty=self.ty,
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invokes=func_invokes)
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class Func(mixins.Named, mixins.NameComparableMixin):
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"""
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A single test case that attempts to invoke a function on receiver of a given type.
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"""
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TEST_FUNCTION_TEMPLATE = """
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public static void {fname}(String s, {farg} v) {{
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try {{
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System.out.printf("%s-{invoke_type:<9} {farg:>9}.{callfunc}()='%s'\\n", s, v.{callfunc}());
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return;
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}} catch (Error e) {{
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System.out.printf("%s-{invoke_type} on {farg}: {callfunc}() threw exception!\\n", s);
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if (e instanceof IncompatibleClassChangeError) {{
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System.out.printf("Exception is of type %s\\n", e.getClass().getName());
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}} else {{
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e.printStackTrace(System.out);
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}}
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}}
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}}
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"""
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def __init__(self, func, farg, invoke):
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"""
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Initialize this test function for the given invoke type and argument
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"""
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self.func = func
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self.farg = farg
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self.invoke = invoke
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def get_name(self):
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"""
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Get the name of this test
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"""
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return "Test_Func_{}_{}_{}".format(self.func, self.farg, self.invoke)
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def __str__(self):
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"""
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Get the java code for this test function
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"""
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return self.TEST_FUNCTION_TEMPLATE.format(fname=self.get_name(),
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farg=self.farg,
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invoke_type=self.invoke,
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callfunc=self.func)
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def flatten_classes(classes, c):
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"""
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Iterate over all the classes 'c' can be used as
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"""
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while c:
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yield c
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c = classes.get(c.super_class)
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def flatten_class_methods(classes, c):
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"""
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Iterate over all the methods 'c' can call
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"""
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for c1 in flatten_classes(classes, c):
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yield from c1.methods
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def flatten_interfaces(dat, c):
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"""
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Iterate over all the interfaces 'c' transitively implements
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"""
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def get_ifaces(cl):
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for i2 in cl.implements:
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yield dat.interfaces[i2]
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yield from get_ifaces(dat.interfaces[i2])
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for cl in flatten_classes(dat.classes, c):
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yield from get_ifaces(cl)
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def flatten_interface_methods(dat, i):
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"""
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Iterate over all the interface methods 'c' can call
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"""
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yield from i.methods
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for i2 in flatten_interfaces(dat, i):
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yield from i2.methods
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def make_main_class(dat):
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"""
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Creates a Main.java file that runs all the tests
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"""
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m = MainClass()
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for c in dat.classes.values():
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i = InstanceTest(m, c.name)
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for clazz in flatten_classes(dat.classes, c):
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for meth in flatten_class_methods(dat.classes, clazz):
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i.add_func(Func(meth, clazz.name, 'virtual'))
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for iface in flatten_interfaces(dat, clazz):
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for meth in flatten_interface_methods(dat, iface):
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i.add_func(Func(meth, clazz.name, 'virtual'))
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i.add_func(Func(meth, iface.name, 'interface'))
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return m
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class TestData(namedtuple("TestData", ['classes', 'interfaces'])):
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"""
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A class representing the classes.xml document.
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"""
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pass
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class Clazz(namedtuple("Clazz", ["name", "methods", "super_class", "implements"])):
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"""
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A class representing a class element in the classes.xml document.
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"""
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pass
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class IFace(namedtuple("IFace", ["name", "methods", "super_class", "implements"])):
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"""
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A class representing an interface element in the classes.xml document.
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"""
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pass
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def parse_xml(xml):
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"""
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Parse the xml description of this test.
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"""
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classes = dict()
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ifaces = dict()
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root = ET.fromstring(xml)
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for iface in root.find("interfaces"):
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name = iface.attrib['name']
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implements = [a.text for a in iface.find("implements")]
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methods = [a.text for a in iface.find("methods")]
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ifaces[name] = IFace(name = name,
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super_class = iface.attrib['super'],
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methods = methods,
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implements = implements)
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for clazz in root.find('classes'):
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name = clazz.attrib['name']
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implements = [a.text for a in clazz.find("implements")]
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methods = [a.text for a in clazz.find("methods")]
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classes[name] = Clazz(name = name,
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super_class = clazz.attrib['super'],
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methods = methods,
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implements = implements)
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return TestData(classes, ifaces)
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def main(argv):
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java_dir = Path(argv[1])
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if not java_dir.exists() or not java_dir.is_dir():
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print("{} is not a valid java dir".format(java_dir), file=sys.stderr)
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sys.exit(1)
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class_data = parse_xml((java_dir / "classes.xml").open().read())
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make_main_class(class_data).dump(java_dir)
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if __name__ == '__main__':
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main(sys.argv)
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