Support nested messages, fix casing. Support test-cases in packages.

betterproto/tests/inputs/casing/casing.proto

@@ -10,6 +10,7 @@ message Test {
   int32 camelCase = 1;
   my_enum snake_case = 2;
   snake_case_message snake_case_message = 3;
+  int32 UPPERCASE = 4;
 }
 
 message snake_case_message {

betterproto/tests/inputs/casing/test_casing.py

@@ -8,6 +8,7 @@ def test_message_attributes():
         message, "snake_case_message"
     ), "snake_case field name is same in python"
     assert hasattr(message, "camel_case"), "CamelCase field is snake_case in python"
+    assert hasattr(message, "uppercase"), "UPPERCASE field is lowercase in python"
 
 
 def test_message_casing():

betterproto/tests/inputs/config.py

@@ -1,12 +1,7 @@
 # Test cases that are expected to fail, e.g. unimplemented features or bug-fixes.
 # Remove from list when fixed.
 tests = {
-    "import_root_sibling",  # 61
-    "import_child_package_from_package",  # 58
-    "import_root_package_from_child",  # 60
-    "import_parent_package_from_child",  # 59
-    "import_circular_dependency",  # failing because of other bugs now
-    "import_packages_same_name",  # 25
+    "import_circular_dependency",
     "oneof_enum",  # 63
     "casing_message_field_uppercase",  # 11
     "namespace_keywords",  # 70
@@ -15,6 +10,16 @@ tests = {
     "googletypes_value",  # 9
 }
 
+
+# Defines where the main package for this test resides.
+# Needed to test relative package imports.
+packages = {
+    "import_root_package_from_child": ".child",
+    "import_parent_package_from_child": ".parent.child",
+    "repeatedmessage": ".repeatedmessage",
+    "service": ".service",
+}
+
 services = {
     "googletypes_response",
     "googletypes_response_embedded",

betterproto/tests/inputs/import_circular_dependency/import_circular_dependency.proto

@@ -3,9 +3,9 @@ syntax = "proto3";
 import "root.proto";
 import "other.proto";
 
-// This test-case verifies that future implementations will support circular dependencies in the generated python files.
+// This test-case verifies support for circular dependencies in the generated python files.
 //
-// This becomes important when generating 1 python file/module per package, rather than 1 file per proto file.
+// This is important because we generate 1 python file/module per package, rather than 1 file per proto file.
 //
 // Scenario:
 //
@@ -24,5 +24,5 @@ import "other.proto";
 //           (root: Test & RootPackageMessage) <-------> (other: OtherPackageMessage)
 message Test {
   RootPackageMessage message = 1;
-  other.OtherPackageMessage other =2;
+  other.OtherPackageMessage other = 2;
 }

betterproto/tests/inputs/import_root_package_from_child/child.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package child;
+
+import "root.proto";
+
+// Verify that we can import root message from child package
+
+message Test {
+    RootMessage message = 1;
+}

betterproto/tests/inputs/import_root_package_from_child/import_root_package_from_child.proto

@@ -1,11 +0,0 @@
-syntax = "proto3";
-
-import "root.proto";
-
-package child;
-
-// Tests generated imports when a message inside a child-package refers to a message defined in the root.
-
-message Test {
-  RootMessage message = 1;
-}

betterproto/tests/inputs/nested/nested.proto

@@ -10,7 +10,7 @@ message Test {
 
     Nested nested = 1;
     Sibling sibling = 2;
-    Sibling sibling2 = 3;
+//    Sibling sibling2 = 3;
 }
 
 message Sibling {

betterproto/tests/inputs/nestedtwice/nestedtwice.json

@@ -1,10 +1,10 @@
 {
-  "root": {
+  "top": {
     "name": "double-nested",
-    "parent": {
-      "child": [{"foo": "hello"}],
-      "enumChild": ["A"],
-      "rootParentChild": [{"a": "hello"}],
+    "middle": {
+      "bottom": [{"foo": "hello"}],
+      "enumBottom": ["A"],
+      "topMiddleBottom": [{"a": "hello"}],
       "bar": true
     }
   }

betterproto/tests/inputs/nestedtwice/nestedtwice.proto

@@ -1,26 +1,26 @@
 syntax = "proto3";
 
 message Test {
-  message Root {
-    message Parent {
-      message RootParentChild {
+  message Top {
+    message Middle {
+      message TopMiddleBottom {
         string a = 1;
       }
-      enum EnumChild{
+      enum EnumBottom{
         A = 0;
         B = 1;
       }
-      message Child {
+      message Bottom {
         string foo = 1;
       }
       reserved 1;
-      repeated Child child = 2;
-      repeated EnumChild enumChild=3;
-      repeated RootParentChild rootParentChild=4;
+      repeated Bottom bottom = 2;
+      repeated EnumBottom enumBottom=3;
+      repeated TopMiddleBottom topMiddleBottom=4;
       bool bar = 5;
     }
     string name = 1;
-    Parent parent = 2;
+    Middle middle = 2;
   }
-  Root root = 1;
+  Top top = 1;
 }

betterproto/tests/inputs/ref/ref.proto

@@ -1,7 +1,5 @@
 syntax = "proto3";
 
-package ref;
-
 import "repeatedmessage.proto";
 
 message Test {