From 8f87b9ec2e85b6a12b80b7b0be7a06b0f0066011 Mon Sep 17 00:00:00 2001
From: Natalie Weizenbaum <nweiz@google.com>
Date: Wed, 15 Apr 2015 15:57:13 -0700
Subject: [PATCH] Support a --version flag.
Closes #72
R=kevmoo@google.com
Review URL: https://codereview.chromium.org//1053113004
---
CHANGELOG.md | 4 +++
lib/src/executable.dart | 68 ++++++++++++++++++++++++++++++++++++
test/runner/runner_test.dart | 1 +
3 files changed, 73 insertions(+)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99ade249..087276f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 0.12.0-beta.8
+
+* Add a `--version` flag.
+
### 0.12.0-beta.7
* Browser tests can now load assets by making HTTP requests to the corresponding
diff --git a/lib/src/executable.dart b/lib/src/executable.dart
index aad1fcd6..e774dc43 100644
--- a/lib/src/executable.dart
+++ b/lib/src/executable.dart
@@ -74,6 +74,8 @@ bool get _usesTransformer {
void main(List<String> args) {
_parser.addFlag("help", abbr: "h", negatable: false,
help: "Shows this usage information.");
+ _parser.addFlag("version", negatable: false,
+ help: "Shows the package's version.");
_parser.addOption("package-root", hide: true);
_parser.addOption("name",
abbr: 'n',
@@ -114,6 +116,14 @@ void main(List<String> args) {
return;
}
+ if (options["version"]) {
+ if (!_printVersion()) {
+ stderr.writeln("Couldn't find version number.");
+ exitCode = exit_codes.data;
+ }
+ return;
+ }
+
var color = options["color"];
if (color == null) color = canUseSpecialChars;
@@ -292,3 +302,61 @@ Usage: pub run test:test [files or directories...]
${_parser.usage}
""");
}
+
+/// Prints the version number of the test package.
+///
+/// This loads the version number from the current package's lockfile. It
+/// returns true if it successfully printed the version number and false if it
+/// couldn't be loaded.
+bool _printVersion() {
+ var lockfile;
+ try {
+ lockfile = loadYaml(new File("pubspec.lock").readAsStringSync());
+ } on FormatException catch (_) {
+ return false;
+ } on IOException catch (_) {
+ return false;
+ }
+
+ if (lockfile is! Map) return false;
+ var packages = lockfile["packages"];
+ if (packages is! Map) return false;
+ var package = packages["test"];
+ if (package is! Map) return false;
+
+ var source = package["source"];
+ if (source is! String) return false;
+
+ switch (source) {
+ case "hosted":
+ var version = package["version"];
+ if (version is! String) return false;
+
+ print(version);
+ return true;
+
+ case "git":
+ var version = package["version"];
+ if (version is! String) return false;
+ var description = package["description"];
+ if (description is! Map) return false;
+ var ref = description["resolved-ref"];
+ if (ref is! String) return false;
+
+ print("$version (${ref.substring(0, 7)})");
+ return true;
+
+ case "path":
+ var version = package["version"];
+ if (version is! String) return false;
+ var description = package["description"];
+ if (description is! Map) return false;
+ var path = description["path"];
+ if (path is! String) return false;
+
+ print("$version (from $path)");
+ return true;
+
+ default: return false;
+ }
+}
diff --git a/test/runner/runner_test.dart b/test/runner/runner_test.dart
index 6b38a4d3..59e536dd 100644
--- a/test/runner/runner_test.dart
+++ b/test/runner/runner_test.dart
@@ -42,6 +42,7 @@ final _usage = """
Usage: pub run test:test [files or directories...]
-h, --help Shows this usage information.
+ --version Shows the package's version.
-n, --name A substring of the name of the test to run.
Regular expression syntax is supported.
--
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