zh-CN: translate testing (#970)

Part of #324.

po/zh-CN.po

@@ -10623,11 +10623,11 @@ msgstr ""
 
 #: src/testing.md:1
 msgid "# Testing"
-msgstr ""
+msgstr "# 测试"
 
 #: src/testing.md:3
 msgid "Rust and Cargo come with a simple unit test framework:"
-msgstr ""
+msgstr "Rust 和 Cargo 随附了一个简单的单元测试框架："
 
 #: src/testing.md:5
 msgid ""
@@ -10635,14 +10635,17 @@ msgid ""
 "\n"
 "* Integration tests are supported via the `tests/` directory."
 msgstr ""
+"* 单元测试在您的整个代码中都受支持。\n"
+"\n"
+"* 您可以通过 `tests/` 目录来支持集成测试。"
 
 #: src/testing/unit-tests.md:1
 msgid "# Unit Tests"
-msgstr ""
+msgstr "# 单元测试"
 
 #: src/testing/unit-tests.md:3
 msgid "Mark unit tests with `#[test]`:"
-msgstr ""
+msgstr "使用 `#[test]` 标记单元测试："
 
 #: src/testing/unit-tests.md:5
 msgid ""
@@ -10673,17 +10676,19 @@ msgstr ""
 
 #: src/testing/unit-tests.md:29
 msgid "Use `cargo test` to find and run the unit tests."
-msgstr ""
+msgstr "使用 `cargo test` 查找并运行单元测试。"
 
 #: src/testing/test-modules.md:1
 msgid "# Test Modules"
-msgstr ""
+msgstr "# 测试模块"
 
 #: src/testing/test-modules.md:3
 msgid ""
 "Unit tests are often put in a nested module (run tests on the\n"
 "[Playground](https://play.rust-lang.org/)):"
 msgstr ""
+"单元测试通常会放在嵌套模块中（在 [Playground](https://play.rust-lang.org/) 上"
+"运行测试）："
 
 #: src/testing/test-modules.md:6
 msgid ""
@@ -10713,14 +10718,16 @@ msgid ""
 "* This lets you unit test private helpers.\n"
 "* The `#[cfg(test)]` attribute is only active when you run `cargo test`."
 msgstr ""
+"* 这样一来，您可以对专用帮助程序进行单元测试。\n"
+"* 仅当您运行 `cargo test` 时，`#[cfg(test)]` 属性才有效。"
 
 #: src/testing/doc-tests.md:1
 msgid "# Documentation Tests"
-msgstr ""
+msgstr "# 文档测试"
 
 #: src/testing/doc-tests.md:3
 msgid "Rust has built-in support for documentation tests:"
-msgstr ""
+msgstr "Rust 本身就支持文档测试："
 
 #: src/testing/doc-tests.md:5
 msgid ""
@@ -10745,18 +10752,23 @@ msgid ""
 "* Test the above code on the [Rust Playground](https://play.rust-lang.org/?"
 "version=stable&mode=debug&edition=2021&gist=3ce2ad13ea1302f6572cb15cd96becf0)."
 msgstr ""
+"* `///` 注释中的代码块会自动被视为 Rust 代码。\n"
+"* 代码会作为 `cargo test` 的一部分进行编译和执行。\n"
+"* 在 [Rust Playground](https://play.rust-lang.org/?"
+"version=stable&mode=debug&edition=2021&gist=3ce2ad13ea1302f6572cb15cd96becf0) "
+"上测试上述代码。"
 
 #: src/testing/integration-tests.md:1
 msgid "# Integration Tests"
-msgstr ""
+msgstr "# 集成测试"
 
 #: src/testing/integration-tests.md:3
 msgid "If you want to test your library as a client, use an integration test."
-msgstr ""
+msgstr "如果您想要以客户的身份测试您的库，请使用集成测试。"
 
 #: src/testing/integration-tests.md:5
 msgid "Create a `.rs` file under `tests/`:"
-msgstr ""
+msgstr "在 `tests/` 下方创建一个 `.rs` 文件："
 
 #: src/testing/integration-tests.md:7
 msgid ""
@@ -10772,19 +10784,19 @@ msgstr ""
 
 #: src/testing/integration-tests.md:16
 msgid "These tests only have access to the public API of your crate."
-msgstr ""
+msgstr "这些测试只能使用您的 crate 的公共 API。"
 
 #: src/testing/useful-crates.md:1
 msgid "## Useful crates for writing tests"
-msgstr ""
+msgstr "## 用于编写测试的实用 crate"
 
 #: src/testing/useful-crates.md:3
 msgid "Rust comes with only basic support for writing tests."
-msgstr ""
+msgstr "Rust 仅为编写测试提供基本支持。"
 
 #: src/testing/useful-crates.md:5
 msgid "Here are some additional crates which we recommend for writing tests:"
-msgstr ""
+msgstr "下面列出了我们建议在编写测试时使用的一些其他 crate："
 
 #: src/testing/useful-crates.md:7
 msgid ""
@@ -10794,6 +10806,10 @@ msgid ""
 "* [rstest](https://docs.rs/rstest): Support for fixtures and parameterised "
 "tests."
 msgstr ""
+"* [googletest](https://docs.rs/googletest)：遵从 GoogleTest for C++ 传统的综"
+"合测试断言库。\n"
+"* [proptest](https://docs.rs/proptest)：基于属性的测试，适用于 Rust。\n"
+"* [rstest](https://docs.rs/rstest)：支持固件和参数化测试。"
 
 #: src/unsafe.md:1
 msgid "# Unsafe Rust"