lookup api and basic tests

develop/testing/lookup_tests.lua

@@ -0,0 +1,110 @@
+local evo = require 'evolved'
+
+evo.debug_mode(true)
+
+do
+    local e1, e2, e3 = evo.id(3)
+
+    do
+        assert(evo.lookup('hello') == nil)
+        assert(evo.lookup('world') == nil)
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('hello')
+            assert(entity_list and #entity_list == 0 and entity_count == 0)
+        end
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('world')
+            assert(entity_list and #entity_list == 0 and entity_count == 0)
+        end
+    end
+
+    evo.set(e1, evo.NAME, 'hello')
+
+    do
+        assert(evo.lookup('hello') == e1)
+        assert(evo.lookup('world') == nil)
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('hello')
+            assert(entity_list and #entity_list == 1 and entity_count == 1)
+            assert(entity_list[1] == e1)
+        end
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('world')
+            assert(entity_list and #entity_list == 0 and entity_count == 0)
+        end
+    end
+
+    evo.set(e2, evo.NAME, 'hello')
+    evo.set(e3, evo.NAME, 'hello')
+
+    do
+        assert(evo.lookup('hello') == e3)
+        assert(evo.lookup('world') == nil)
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('hello')
+            assert(entity_list and #entity_list == 3 and entity_count == 3)
+            assert(entity_list[1] == e1 and entity_list[2] == e2 and entity_list[3] == e3)
+        end
+    end
+
+    evo.set(e2, evo.NAME, 'world')
+
+    do
+        assert(evo.lookup('hello') == e3)
+        assert(evo.lookup('world') == e2)
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('hello')
+            assert(entity_list and #entity_list == 2 and entity_count == 2)
+            assert(entity_list[1] == e1 and entity_list[2] == e3)
+        end
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('world')
+            assert(entity_list and #entity_list == 1 and entity_count == 1)
+            assert(entity_list[1] == e2)
+        end
+    end
+
+    evo.set(e3, evo.NAME, 'world')
+
+    do
+        assert(evo.lookup('hello') == e1)
+        assert(evo.lookup('world') == e3)
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('hello')
+            assert(entity_list and #entity_list == 1 and entity_count == 1)
+            assert(entity_list[1] == e1)
+        end
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('world')
+            assert(entity_list and #entity_list == 2 and entity_count == 2)
+            assert(entity_list[1] == e2 or entity_list[1] == e3)
+        end
+    end
+
+    evo.remove(e1, evo.NAME)
+
+    do
+        assert(evo.lookup('hello') == nil)
+        assert(evo.lookup('world') == e3)
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('hello')
+            assert(entity_list and #entity_list == 0 and entity_count == 0)
+        end
+
+        do
+            local entity_list, entity_count = evo.multi_lookup('world')
+            assert(entity_list and #entity_list == 2 and entity_count == 2)
+            assert(entity_list[1] == e2 or entity_list[1] == e3)
+        end
+    end
+end