Merge msg and msg_tests

Cargo.lock

@@ -1916,15 +1916,8 @@ dependencies = [
  "malloc_size_of_derive 0.0.1",
  "nonzero 0.0.1",
  "serde 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "webrender_api 0.56.1 (git+https://github.com/servo/webrender)",
-]
-
-[[package]]
-name = "msg_tests"
-version = "0.0.1"
-dependencies = [
- "msg 0.0.1",
  "size_of_test 0.0.1",
+ "webrender_api 0.56.1 (git+https://github.com/servo/webrender)",
 ]
 
 [[package]]

components/msg/Cargo.toml

@@ -8,6 +8,8 @@ publish = false
 [lib]
 name = "msg"
 path = "lib.rs"
+test = false
+doctest = false
 
 [features]
 unstable = ["nonzero/unstable"]
@@ -19,3 +21,6 @@ malloc_size_of_derive = { path = "../malloc_size_of_derive" }
 nonzero = {path = "../nonzero"}
 serde = "1.0.14"
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
+
+[dev-dependencies]
+size_of_test = {path = "../size_of_test"}

components/msg/tests/size_of.rs

@@ -2,6 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#![cfg(target_pointer_width = "64")]
+
+extern crate msg;
+#[macro_use] extern crate size_of_test;
+
 use msg::constellation_msg::BrowsingContextId;
 use msg::constellation_msg::PipelineId;
 use msg::constellation_msg::TopLevelBrowsingContextId;

python/servo/testing_commands.py

@@ -231,27 +231,18 @@ class MachCommands(CommandBase):
             else:
                 test_patterns.append(test)
 
-        in_crate_packages = []
-
-        # Since the selectors tests have no corresponding selectors_tests crate in tests/unit,
-        # we need to treat them separately from those that do.
-        try:
-            packages.remove('selectors')
-            in_crate_packages += ["selectors"]
-        except KeyError:
-            pass
-
+        self_contained_tests = ["msg", "selectors"]
         if not packages:
             packages = set(os.listdir(path.join(self.context.topdir, "tests", "unit"))) - set(['.DS_Store'])
-            in_crate_packages += ["selectors"]
+            packages |= set(self_contained_tests)
 
-        # Since the selectors tests have no corresponding selectors_tests crate in tests/unit,
-        # we need to treat them separately from those that do.
-        try:
-            packages.remove('selectors')
-            in_crate_packages += ["selectors"]
-        except KeyError:
-            pass
+        in_crate_packages = []
+        for crate in self_contained_tests:
+            try:
+                packages.remove(crate)
+                in_crate_packages += [crate]
+            except KeyError:
+                pass
 
         packages.discard('stylo')
 
@@ -264,7 +255,7 @@ class MachCommands(CommandBase):
             env["PATH"] = "%s%s%s" % (path.dirname(self.get_binary_path(False, False)), os.pathsep, env["PATH"])
 
         features = self.servo_features()
-        if len(packages) > 0:
+        if len(packages) > 0 or len(in_crate_packages) > 0:
             args = ["cargo", "bench" if bench else "test", "--manifest-path", self.servo_manifest()]
             for crate in packages:
                 args += ["-p", "%s_tests" % crate]

tests/unit/msg/Cargo.toml

@@ -1,14 +0,0 @@
-[package]
-name = "msg_tests"
-version = "0.0.1"
-authors = ["The Servo Project Developers"]
-license = "MPL-2.0"
-
-[lib]
-name = "msg_tests"
-path = "lib.rs"
-doctest = false
-
-[dependencies]
-msg = {path = "../../../components/msg"}
-size_of_test = {path = "../../../components/size_of_test"}

tests/unit/msg/lib.rs

@@ -1,7 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#[cfg(all(test, target_pointer_width = "64"))] extern crate msg;
-#[cfg(all(test, target_pointer_width = "64"))] #[macro_use] extern crate size_of_test;
-#[cfg(all(test, target_pointer_width = "64"))] mod size_of;