Write a test to ensure that a multi-src proto_library will have imports generated for it

Author: shaldengeki

gazelle/python/testdata/resolves_proto_imports/README.md

@@ -5,5 +5,4 @@ This test asserts that Gazelle can resolve imports from `py_proto_library` targe
 1.  Generates a dependency in the default case.
 2.  Uses `gazelle:resolve` to generate dependencies.
 3.  Uses `python_proto_naming_convention` to generate dependencies.
-
-[gh-1703]: https://github.com/bazel-contrib/rules_python/issues/1703
+4.  Generates a correct dependency for a proto_library with multiple srcs.

gazelle/python/testdata/resolves_proto_imports/test4_generates_imports_for_multiple_proto_srcs/BUILD.in

@@ -0,0 +1,8 @@
+load("@rules_python//python:defs.bzl", "py_library")
+
+py_library(
+    name = "test4_generates_imports_for_multiple_proto_srcs",
+    srcs = ["bar.py"],
+    visibility = ["//:__subpackages__"],
+    deps = ["//test4_generates_imports_for_multiple_proto_srcs/foo:test4_generates_imports_for_multiple_proto_srcs_foo_py_pb2"],
+)

gazelle/python/testdata/resolves_proto_imports/test4_generates_imports_for_multiple_proto_srcs/BUILD.out

@@ -0,0 +1,5 @@
+import test4_generates_imports_for_multiple_proto_srcs.foo.foo_pb2
+import test4_generates_imports_for_multiple_proto_srcs.foo.bar_pb2
+
+x = foo_pb2.Foo()
+y = bar_pb2.Bar()

gazelle/python/testdata/resolves_proto_imports/test4_generates_imports_for_multiple_proto_srcs/bar.py

@@ -0,0 +1 @@
+# gazelle:python_generate_proto true

gazelle/python/testdata/resolves_proto_imports/test4_generates_imports_for_multiple_proto_srcs/foo/BUILD.in

@@ -0,0 +1,19 @@
+load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@com_google_protobuf//bazel:py_proto_library.bzl", "py_proto_library")
+
+# gazelle:python_generate_proto true
+
+proto_library(
+    name = "test4_generates_imports_for_multiple_proto_srcs_foo_proto",
+    srcs = [
+        "bar.proto",
+        "foo.proto",
+    ],
+    visibility = ["//visibility:public"],
+)
+
+py_proto_library(
+    name = "test4_generates_imports_for_multiple_proto_srcs_foo_py_pb2",
+    visibility = ["//:__subpackages__"],
+    deps = [":test4_generates_imports_for_multiple_proto_srcs_foo_proto"],
+)

gazelle/python/testdata/resolves_proto_imports/test4_generates_imports_for_multiple_proto_srcs/foo/BUILD.out

@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+package test4_generates_imports_for_multiple_proto_srcs.foo;
+
+message Bar {
+    bool bar = 1;
+}

gazelle/python/testdata/resolves_proto_imports/test4_generates_imports_for_multiple_proto_srcs/foo/bar.proto

@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+package test4_generates_imports_for_multiple_proto_srcs.foo;
+
+message Foo {
+    bool bar = 1;
+}