Merge pull request #127 from limbonaut/blackboard-tests

Add unit tests for `Blackboard` and fix `Blackboard.unbind_var()`
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Serhii Snitsaruk 2024-06-01 16:08:35 +02:00 committed by GitHub
commit 56bb91df0a
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3 changed files with 189 additions and 3 deletions

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@ -106,7 +106,7 @@ void Blackboard::bind_var_to_property(const StringName &p_name, Object *p_object
}
void Blackboard::unbind_var(const StringName &p_name) {
ERR_FAIL_COND_MSG(data.has(p_name), "Blackboard: Can't unbind variable that doesn't exist (var: " + p_name + ").");
ERR_FAIL_COND_MSG(!data.has(p_name), "Blackboard: Can't unbind variable that doesn't exist (var: " + p_name + ").");
data[p_name].unbind();
}
@ -128,7 +128,7 @@ void Blackboard::link_var(const StringName &p_name, const Ref<Blackboard> &p_tar
}
void Blackboard::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_var", "var_name", "default", "complain"), &Blackboard::get_var, Variant(), true);
ClassDB::bind_method(D_METHOD("get_var", "var_name", "default", "complain"), &Blackboard::get_var, DEFVAL(Variant()), DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_var", "var_name", "value"), &Blackboard::set_var);
ClassDB::bind_method(D_METHOD("has_var", "var_name"), &Blackboard::has_var);
ClassDB::bind_method(D_METHOD("set_parent", "blackboard"), &Blackboard::set_parent);

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@ -46,7 +46,7 @@ public:
Ref<Blackboard> top() const;
Variant get_var(const StringName &p_name, const Variant &p_default, bool p_complain = true) const;
Variant get_var(const StringName &p_name, const Variant &p_default = Variant(), bool p_complain = true) const;
void set_var(const StringName &p_name, const Variant &p_value);
bool has_var(const StringName &p_name) const;
void erase_var(const StringName &p_name);

186
tests/test_blackboard.h Normal file
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@ -0,0 +1,186 @@
#ifndef TEST_BLACKBOARD_H
#define TEST_BLACKBOARD_H
#include "core/variant/variant.h"
#include "limbo_test.h"
#include "modules/limboai/blackboard/blackboard.h"
namespace TestBlackboard {
class TestPropertyHolder : public RefCounted {
GDCLASS(TestPropertyHolder, RefCounted);
public:
int property = 0;
void set_property(int p_property) { property = p_property; }
int get_property() { return property; }
static void _bind_methods() {
ClassDB::bind_method(D_METHOD("set_property", "property"), &TestPropertyHolder::set_property);
ClassDB::bind_method(D_METHOD("get_property"), &TestPropertyHolder::get_property);
ADD_PROPERTY(PropertyInfo(Variant::INT, "property"), "set_property", "get_property");
}
};
TEST_CASE("[Modules][LimboAI] Test Blackboard") {
Ref<Blackboard> blackboard = memnew(Blackboard);
blackboard->set_var("a", 1);
blackboard->set_var("b", Vector2(2, 2));
blackboard->set_var("c", String("3"));
Variant not_found("not_found");
SUBCASE("Test getter") {
CHECK_EQ(blackboard->get_var("a", not_found), Variant(1));
CHECK_EQ(blackboard->get_var("b", not_found), Variant(Vector2(2, 2)));
CHECK_EQ(blackboard->get_var("c", not_found), Variant("3"));
}
SUBCASE("Test has_var()") {
CHECK(blackboard->has_var("a"));
CHECK(blackboard->has_var("b"));
CHECK(blackboard->has_var("c"));
CHECK_FALSE(blackboard->has_var("d"));
}
SUBCASE("Test erase_var()") {
blackboard->erase_var("b");
CHECK_FALSE(blackboard->has_var("b"));
CHECK(blackboard->has_var("a"));
CHECK(blackboard->has_var("c"));
}
SUBCASE("Test clear()") {
blackboard->clear();
CHECK_FALSE(blackboard->has_var("a"));
CHECK_FALSE(blackboard->has_var("b"));
CHECK_FALSE(blackboard->has_var("c"));
}
SUBCASE("Test list_vars()") {
TypedArray<StringName> vars = blackboard->list_vars();
CHECK_EQ(vars.size(), 3);
CHECK(vars.has("a"));
CHECK(vars.has("b"));
CHECK(vars.has("c"));
}
SUBCASE("Test get_vars_as_dict()") {
Dictionary dict = blackboard->get_vars_as_dict();
CHECK_EQ(dict.size(), 3);
CHECK(dict.has("a"));
CHECK(dict.has("b"));
CHECK(dict.has("c"));
CHECK_EQ(dict["a"], Variant(1));
CHECK_EQ(dict["b"], Variant(Vector2(2, 2)));
CHECK_EQ(dict["c"], Variant("3"));
// * Should not include parent scope values
Ref<Blackboard> parent_scope = memnew(Blackboard);
blackboard->set_parent(parent_scope);
parent_scope->set_var("d", 1);
dict = blackboard->get_vars_as_dict();
CHECK_EQ(dict.size(), 3);
CHECK_FALSE(dict.has("d"));
}
SUBCASE("Test populate_from_dict() overriding values") {
Dictionary dict;
dict["a"] = "value_a";
dict["b"] = "value_b";
dict["c"] = "value_c";
blackboard->populate_from_dict(dict);
CHECK_EQ(blackboard->list_vars().size(), 3);
CHECK_EQ(blackboard->get_var("a", not_found), Variant("value_a"));
CHECK_EQ(blackboard->get_var("b", not_found), Variant("value_b"));
CHECK_EQ(blackboard->get_var("c", not_found), Variant("value_c"));
}
SUBCASE("Test populate_from_dict() creating new values") {
Dictionary dict;
dict["d"] = "value_d";
dict["e"] = "value_e";
blackboard->populate_from_dict(dict);
CHECK_EQ(blackboard->list_vars().size(), 5);
CHECK_EQ(blackboard->get_var("d", not_found), Variant("value_d"));
CHECK_EQ(blackboard->get_var("e", not_found), Variant("value_e"));
}
SUBCASE("Test scoping") {
CHECK_EQ(blackboard->top(), blackboard);
Ref<Blackboard> parent_scope = memnew(Blackboard);
blackboard->set_parent(parent_scope);
CHECK_EQ(blackboard->get_parent(), parent_scope);
CHECK_EQ(blackboard->top(), parent_scope);
parent_scope->set_var("a", 5);
CHECK_EQ(blackboard->get_var("a", not_found), Variant(1)); // * should return current scope value
CHECK_EQ(parent_scope->get_var("a", not_found), Variant(5)); // * should return parent scope value
CHECK_EQ(parent_scope->get_var("b", not_found, false), not_found); // * should not return current scope value
parent_scope->set_var("d", 123);
CHECK_EQ(blackboard->get_var("d", not_found), Variant(123)); // * should return parent scope value
blackboard->set_var("d", 456);
CHECK_EQ(blackboard->get_var("d", not_found), Variant(456)); // * should return new value
CHECK_EQ(parent_scope->get_var("d", not_found), Variant(123)); // * should return parent scope value
Ref<Blackboard> grand_parent_scope = memnew(Blackboard);
parent_scope->set_parent(grand_parent_scope);
CHECK_EQ(blackboard->top(), grand_parent_scope);
grand_parent_scope->set_var("a", "value_found");
CHECK_EQ(grand_parent_scope->get_var("a", not_found), Variant("value_found"));
CHECK_EQ(grand_parent_scope->get_var("b", not_found, false), not_found);
CHECK_EQ(grand_parent_scope->get_var("c", not_found, false), not_found);
CHECK_EQ(grand_parent_scope->get_var("d", not_found, false), not_found);
CHECK_EQ(parent_scope->get_var("a", not_found), Variant(5));
CHECK_EQ(blackboard->get_var("a", not_found), Variant(1));
}
SUBCASE("Test binding") {
Ref<TestPropertyHolder> holder = memnew(TestPropertyHolder);
blackboard->bind_var_to_property("a", holder.ptr(), "property");
holder->set_property(5);
CHECK_EQ(blackboard->get_var("a", not_found), Variant(5));
blackboard->set_var("a", Variant(6));
CHECK_EQ(holder->get_property(), 6);
blackboard->unbind_var("a");
blackboard->set_var("a", Variant(7));
CHECK_EQ(holder->get_property(), 6);
CHECK_EQ(blackboard->get_var("a", not_found), Variant(7));
}
SUBCASE("Test linking") {
Ref<Blackboard> target_blackboard = memnew(Blackboard);
target_blackboard->set_var("aa", Variant(111));
blackboard->link_var("a", target_blackboard, "aa");
CHECK(target_blackboard->has_var("aa"));
CHECK_FALSE(target_blackboard->has_var("a"));
CHECK_EQ(blackboard->get_var("a", not_found), Variant(111));
CHECK_EQ(target_blackboard->get_var("aa", not_found), Variant(111));
blackboard->set_var("a", Variant(222));
CHECK_EQ(blackboard->get_var("a", not_found), Variant(222));
CHECK_EQ(target_blackboard->get_var("aa", not_found), Variant(222));
target_blackboard->set_var("aa", Variant(333));
CHECK_EQ(blackboard->get_var("a", not_found), Variant(333));
CHECK_EQ(target_blackboard->get_var("aa", not_found), Variant(333));
}
}
} //namespace TestBlackboard
#endif // TEST_BLACKBOARD_H