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-rw-r--r--utils/config/lua_module_test.cpp474
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diff --git a/utils/config/lua_module_test.cpp b/utils/config/lua_module_test.cpp
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+// Copyright 2012 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "utils/config/lua_module.hpp"
+
+#include <atf-c++.hpp>
+
+#include <lutok/exceptions.hpp>
+#include <lutok/operations.hpp>
+#include <lutok/state.ipp>
+
+#include "utils/config/tree.ipp"
+#include "utils/defs.hpp"
+
+namespace config = utils::config;
+
+
+namespace {
+
+
+/// Non-native type to use as a leaf node.
+struct custom_type {
+ /// The value recorded in the object.
+ int value;
+
+ /// Constructs a new object.
+ ///
+ /// \param value_ The value to store in the object.
+ explicit custom_type(const int value_) :
+ value(value_)
+ {
+ }
+};
+
+
+/// Custom implementation of a node type for testing purposes.
+class custom_node : public config::typed_leaf_node< custom_type > {
+public:
+ /// Copies the node.
+ ///
+ /// \return A dynamically-allocated node.
+ virtual base_node*
+ deep_copy(void) const
+ {
+ std::auto_ptr< custom_node > new_node(new custom_node());
+ new_node->_value = _value;
+ return new_node.release();
+ }
+
+ /// Pushes the node's value onto the Lua stack.
+ ///
+ /// \param state The Lua state onto which to push the value.
+ void
+ push_lua(lutok::state& state) const
+ {
+ state.push_integer(value().value * 5);
+ }
+
+ /// Sets the value of the node from an entry in the Lua stack.
+ ///
+ /// \param state The Lua state from which to get the value.
+ /// \param value_index The stack index in which the value resides.
+ void
+ set_lua(lutok::state& state, const int value_index)
+ {
+ ATF_REQUIRE(state.is_number(value_index));
+ set(custom_type(state.to_integer(value_index) * 2));
+ }
+
+ /// Sets the value of the node from a raw string representation.
+ ///
+ /// \post The test case is marked as failed, as this function is not
+ /// supposed to be invoked by the lua_module code.
+ void
+ set_string(const std::string& /* raw_value */)
+ {
+ ATF_FAIL("Should not be used");
+ }
+
+ /// Converts the contents of the node to a string.
+ ///
+ /// \post The test case is marked as failed, as this function is not
+ /// supposed to be invoked by the lua_module code.
+ ///
+ /// \return Nothing.
+ std::string
+ to_string(void) const
+ {
+ ATF_FAIL("Should not be used");
+ }
+};
+
+
+} // anonymous namespace
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(top__valid_types);
+ATF_TEST_CASE_BODY(top__valid_types)
+{
+ config::tree tree;
+ tree.define< config::bool_node >("top_boolean");
+ tree.define< config::int_node >("top_integer");
+ tree.define< config::string_node >("top_string");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state,
+ "top_boolean = true\n"
+ "top_integer = 12345\n"
+ "top_string = 'a foo'\n",
+ 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(true, tree.lookup< config::bool_node >("top_boolean"));
+ ATF_REQUIRE_EQ(12345, tree.lookup< config::int_node >("top_integer"));
+ ATF_REQUIRE_EQ("a foo", tree.lookup< config::string_node >("top_string"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(top__invalid_types);
+ATF_TEST_CASE_BODY(top__invalid_types)
+{
+ config::tree tree;
+ tree.define< config::bool_node >("top_boolean");
+ tree.define< config::int_node >("top_integer");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ ATF_REQUIRE_THROW_RE(
+ lutok::error,
+ "Invalid value for property 'top_boolean': Not a boolean",
+ lutok::do_string(state,
+ "top_boolean = true\n"
+ "top_integer = 8\n"
+ "top_boolean = 'foo'\n",
+ 0, 0, 0));
+ }
+
+ ATF_REQUIRE_EQ(true, tree.lookup< config::bool_node >("top_boolean"));
+ ATF_REQUIRE_EQ(8, tree.lookup< config::int_node >("top_integer"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(top__reuse);
+ATF_TEST_CASE_BODY(top__reuse)
+{
+ config::tree tree;
+ tree.define< config::int_node >("first");
+ tree.define< config::int_node >("second");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "first = 100; second = first * 2", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(100, tree.lookup< config::int_node >("first"));
+ ATF_REQUIRE_EQ(200, tree.lookup< config::int_node >("second"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(top__reset);
+ATF_TEST_CASE_BODY(top__reset)
+{
+ config::tree tree;
+ tree.define< config::int_node >("first");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "first = 100; first = 200", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(200, tree.lookup< config::int_node >("first"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(top__already_set_on_entry);
+ATF_TEST_CASE_BODY(top__already_set_on_entry)
+{
+ config::tree tree;
+ tree.define< config::int_node >("first");
+ tree.set< config::int_node >("first", 100);
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "first = first * 15", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(1500, tree.lookup< config::int_node >("first"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(subtree__valid_types);
+ATF_TEST_CASE_BODY(subtree__valid_types)
+{
+ config::tree tree;
+ tree.define< config::bool_node >("root.boolean");
+ tree.define< config::int_node >("root.a.integer");
+ tree.define< config::string_node >("root.string");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state,
+ "root.boolean = true\n"
+ "root.a.integer = 12345\n"
+ "root.string = 'a foo'\n",
+ 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(true, tree.lookup< config::bool_node >("root.boolean"));
+ ATF_REQUIRE_EQ(12345, tree.lookup< config::int_node >("root.a.integer"));
+ ATF_REQUIRE_EQ("a foo", tree.lookup< config::string_node >("root.string"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(subtree__reuse);
+ATF_TEST_CASE_BODY(subtree__reuse)
+{
+ config::tree tree;
+ tree.define< config::int_node >("a.first");
+ tree.define< config::int_node >("a.second");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "a.first = 100; a.second = a.first * 2",
+ 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(100, tree.lookup< config::int_node >("a.first"));
+ ATF_REQUIRE_EQ(200, tree.lookup< config::int_node >("a.second"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(subtree__reset);
+ATF_TEST_CASE_BODY(subtree__reset)
+{
+ config::tree tree;
+ tree.define< config::int_node >("a.first");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "a.first = 100; a.first = 200", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(200, tree.lookup< config::int_node >("a.first"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(subtree__already_set_on_entry);
+ATF_TEST_CASE_BODY(subtree__already_set_on_entry)
+{
+ config::tree tree;
+ tree.define< config::int_node >("a.first");
+ tree.set< config::int_node >("a.first", 100);
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "a.first = a.first * 15", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(1500, tree.lookup< config::int_node >("a.first"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(subtree__override_inner);
+ATF_TEST_CASE_BODY(subtree__override_inner)
+{
+ config::tree tree;
+ tree.define_dynamic("root");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "root.test = 'a'", 0, 0, 0);
+ ATF_REQUIRE_THROW_RE(lutok::error, "Invalid value for property 'root'",
+ lutok::do_string(state, "root = 'b'", 0, 0, 0));
+ // Ensure that the previous assignment to 'root' did not cause any
+ // inconsistencies in the environment that would prevent a new
+ // assignment from working.
+ lutok::do_string(state, "root.test2 = 'c'", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ("a", tree.lookup< config::string_node >("root.test"));
+ ATF_REQUIRE_EQ("c", tree.lookup< config::string_node >("root.test2"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(dynamic_subtree__strings);
+ATF_TEST_CASE_BODY(dynamic_subtree__strings)
+{
+ config::tree tree;
+ tree.define_dynamic("root");
+
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state,
+ "root.key1 = 1234\n"
+ "root.a.b.key2 = 'foo bar'\n",
+ 0, 0, 0);
+
+ ATF_REQUIRE_EQ("1234", tree.lookup< config::string_node >("root.key1"));
+ ATF_REQUIRE_EQ("foo bar",
+ tree.lookup< config::string_node >("root.a.b.key2"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(dynamic_subtree__invalid_types);
+ATF_TEST_CASE_BODY(dynamic_subtree__invalid_types)
+{
+ config::tree tree;
+ tree.define_dynamic("root");
+
+ lutok::state state;
+ config::redirect(state, tree);
+ ATF_REQUIRE_THROW_RE(lutok::error,
+ "Invalid value for property 'root.boolean': "
+ "Not a string",
+ lutok::do_string(state, "root.boolean = true",
+ 0, 0, 0));
+ ATF_REQUIRE_THROW_RE(lutok::error,
+ "Invalid value for property 'root.table': "
+ "Not a string",
+ lutok::do_string(state, "root.table = {}",
+ 0, 0, 0));
+ ATF_REQUIRE(!tree.is_set("root.boolean"));
+ ATF_REQUIRE(!tree.is_set("root.table"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(locals);
+ATF_TEST_CASE_BODY(locals)
+{
+ config::tree tree;
+ tree.define< config::int_node >("the_key");
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state,
+ "local function generate()\n"
+ " return 15\n"
+ "end\n"
+ "local test_var = 20\n"
+ "the_key = generate() + test_var\n",
+ 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(35, tree.lookup< config::int_node >("the_key"));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(custom_node);
+ATF_TEST_CASE_BODY(custom_node)
+{
+ config::tree tree;
+ tree.define< custom_node >("key1");
+ tree.define< custom_node >("key2");
+ tree.set< custom_node >("key2", custom_type(10));
+
+ {
+ lutok::state state;
+ config::redirect(state, tree);
+ lutok::do_string(state, "key1 = 512\n", 0, 0, 0);
+ lutok::do_string(state, "key2 = key2 * 2\n", 0, 0, 0);
+ }
+
+ ATF_REQUIRE_EQ(1024, tree.lookup< custom_node >("key1").value);
+ ATF_REQUIRE_EQ(200, tree.lookup< custom_node >("key2").value);
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(invalid_key);
+ATF_TEST_CASE_BODY(invalid_key)
+{
+ config::tree tree;
+
+ lutok::state state;
+ config::redirect(state, tree);
+ ATF_REQUIRE_THROW_RE(lutok::error, "Empty component in key 'root.'",
+ lutok::do_string(state, "root['']['a'] = 12345\n",
+ 0, 0, 0));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(unknown_key);
+ATF_TEST_CASE_BODY(unknown_key)
+{
+ config::tree tree;
+ tree.define< config::bool_node >("static.bool");
+
+ lutok::state state;
+ config::redirect(state, tree);
+ ATF_REQUIRE_THROW_RE(lutok::error,
+ "Unknown configuration property 'static.int'",
+ lutok::do_string(state,
+ "static.int = 12345\n",
+ 0, 0, 0));
+}
+
+
+ATF_TEST_CASE_WITHOUT_HEAD(value_error);
+ATF_TEST_CASE_BODY(value_error)
+{
+ config::tree tree;
+ tree.define< config::bool_node >("a.b");
+
+ lutok::state state;
+ config::redirect(state, tree);
+ ATF_REQUIRE_THROW_RE(lutok::error,
+ "Invalid value for property 'a.b': Not a boolean",
+ lutok::do_string(state, "a.b = 12345\n", 0, 0, 0));
+ ATF_REQUIRE_THROW_RE(lutok::error,
+ "Invalid value for property 'a': ",
+ lutok::do_string(state, "a = 1\n", 0, 0, 0));
+}
+
+
+ATF_INIT_TEST_CASES(tcs)
+{
+ ATF_ADD_TEST_CASE(tcs, top__valid_types);
+ ATF_ADD_TEST_CASE(tcs, top__invalid_types);
+ ATF_ADD_TEST_CASE(tcs, top__reuse);
+ ATF_ADD_TEST_CASE(tcs, top__reset);
+ ATF_ADD_TEST_CASE(tcs, top__already_set_on_entry);
+
+ ATF_ADD_TEST_CASE(tcs, subtree__valid_types);
+ ATF_ADD_TEST_CASE(tcs, subtree__reuse);
+ ATF_ADD_TEST_CASE(tcs, subtree__reset);
+ ATF_ADD_TEST_CASE(tcs, subtree__already_set_on_entry);
+ ATF_ADD_TEST_CASE(tcs, subtree__override_inner);
+
+ ATF_ADD_TEST_CASE(tcs, dynamic_subtree__strings);
+ ATF_ADD_TEST_CASE(tcs, dynamic_subtree__invalid_types);
+
+ ATF_ADD_TEST_CASE(tcs, locals);
+ ATF_ADD_TEST_CASE(tcs, custom_node);
+
+ ATF_ADD_TEST_CASE(tcs, invalid_key);
+ ATF_ADD_TEST_CASE(tcs, unknown_key);
+ ATF_ADD_TEST_CASE(tcs, value_error);
+}