scala 如何执行仅匹配正则表达式的测试？
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How to execute tests that match a regular expression only?
提问by tobym
In sbt 0.10.1, I frequently use test-onlyto narrow down the number of my tests.
在 sbt 0.10.1 中，我经常使用test-only来缩小我的测试数量。
sbt> test-only com.example.MySpec
However, I want to narrow down such that I only run tests whose name/description matches a regular expression. Is there some syntax to achieve something like this?
但是，我想缩小范围，以便我只运行名称/描述与正则表达式匹配的测试。是否有一些语法可以实现这样的目标？
sbt> test-only .*someRexExp.*
回答by Mark Harrah
Full regular expressions are not supported by testOnly. Wildcards are supported, however.
不支持完整的正则表达式testOnly。但是，支持通配符。
sbt> testOnly com.example.*Spec
Only the asterisk *is interpreted specially here and not the periods. This will select all tests beginning with com.example.and ending with Spec.
*此处仅对星号进行特殊解释，而不对句点进行特殊解释。这将选择以 开头com.example.和结尾的所有测试Spec。
Or just all test Specs:
或者只是所有测试Spec：
sbt> testOnly *Spec
testOnlyand other testing information is documented here: http://www.scala-sbt.org/release/docs/Detailed-Topics/Testing
testOnly和其他测试信息记录在这里：http: //www.scala-sbt.org/release/docs/Detailed-Topics/Testing
回答by ches
You can match on test casesby their name (instead of or in addition to suite class names) by using framework-specific runner arguments. ScalaTest supports a substring matchwith the -zargument:
您可以匹配测试情况下通过使用他们的名字（而不是或除了套件的类名）特定于框架的亚军参数。ScalaTest支持与-z参数的子字符串匹配：
> testOnly -- -z insert
> testOnly *TreeSpec -- -z insert
This runs all tests with "insert" in their name, then only the matching cases within suites ending in TreeSpec, as you would intuit. You can also use -n TagNameand -l TagNameto include or exclude, respectively, tags from ScalaTest's tagging support, and -tto match an exact test name.
这会运行名称中带有“insert”的所有测试，然后只运行以 结尾的套件中的匹配案例TreeSpec，正如您的直觉。您还可以使用-n TagName和-l TagName分别包含或排除来自 ScalaTest 标记支持的标记，并-t匹配准确的测试名称。
Specs2 supports full Java regular expressionswith an -exargument:
Specs2支持带有-ex参数的完整 Java 正则表达式：
> testOnly -- -ex ".*someRexExp.*"
-includeand -excludesupport Spec2's tagging features.
-include并-exclude支持 Spec2 的标签功能。
See the inline links for full lists of arguments that the runners support. These appear to only work with the testOnlysbt command and not test.
有关运行程序支持的完整参数列表，请参阅内联链接。这些似乎只适用于testOnlysbt 命令，而不适用于test.
