Begin wrapping the component compiler

api/python/tests/test_compiler.py

@@ -0,0 +1,66 @@
+# Copyright © SixtyFPS GmbH <info@slint.dev>
+# SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-1.1 OR LicenseRef-Slint-commercial
+
+import pytest
+import slint
+from slint import ValueType;
+
+def test_basic_compiler():
+    compiler = slint.ComponentCompiler()
+
+    assert compiler.include_paths == []
+    compiler.include_paths = ["testing"]
+    assert compiler.include_paths == ["testing"]
+
+    assert compiler.build_from_source("Garbage", "") == None
+
+    compdef = compiler.build_from_source("""
+        export global TestGlobal {
+            in property <string> theglobalprop;
+            callback globallogic();
+        }
+
+        export component Test {
+            in property <string> strprop;
+            in property <int> intprop;
+            in property <float> floatprop;
+            in property <bool> boolprop;
+            in property <image> imgprop;
+            in property <brush> brushprop;
+            in property <color> colprop;
+            in property <[string]> modelprop;
+
+            callback test-callback();
+        }
+    """, "")
+    assert compdef != None
+
+    assert compdef.name == "Test"
+
+    props = [(name, type) for name, type in compdef.properties.items()]
+    assert props == [('boolprop', ValueType.Bool), ('brushprop', ValueType.Brush), ('colprop', ValueType.Brush), ('floatprop', ValueType.Number), ('imgprop', ValueType.Image), ('intprop', ValueType.Number), ('modelprop', ValueType.Model), ('strprop', ValueType.String)]
+
+    assert compdef.callbacks == ["test-callback"]
+
+    assert compdef.globals == ["TestGlobal"]
+
+    assert compdef.global_properties("Garbage") == None
+    assert [(name, type) for name, type in compdef.global_properties("TestGlobal").items()] == [('theglobalprop', ValueType.String)]
+
+    assert compdef.global_callbacks("Garbage") == None
+    assert compdef.global_callbacks("TestGlobal") == ["globallogic"]
+
+    instance = compdef.create()
+    assert instance != None
+
+def test_compiler_build_from_path():
+    compiler = slint.ComponentCompiler()
+
+    assert len(compiler.diagnostics) == 0
+
+    assert compiler.build_from_path("Nonexistent.slint") == None
+    diags = compiler.diagnostics
+    assert len(diags) == 1
+
+    assert diags[0].level == slint.DiagnosticLevel.Error
+    assert diags[0].message.startswith("Could not load Nonexistent.slint:")