Run CLI tests on Travis.

.travis.yml

@@ -1,8 +1,18 @@
 # Set the language to Ruby so that we can run sass-spec tests.
 language: ruby
 env:
+# Language specs, defined in sass/sass-spec
 - TASK=specs   DART_VERSION=latest
 - TASK=specs   DART_VERSION=1.19.1 
+
+# Unit tests, defined in test/.
+- TASK=tests   DART_VERSION=latest
+- TASK=tests   DART_VERSION=1.19.1
+- TASK=tests   DART_VERSION=latest NODE_VERSION=stable
+- TASK=tests   DART_VERSION=latest NODE_VERSION=v6.9.1
+- TASK=tests   DART_VERSION=latest NODE_VERSION=v4.6.2
+
+# Miscellaneous checks.
 - TASK=analyze DART_VERSION=latest
 - TASK=format  DART_VERSION=latest
 
@@ -13,13 +23,24 @@ cache:
   directories:
   - $HOME/.pub-cache
 
-# Install the Dart SDK.
 install:
+- bold=$(tput bold)
+- none=$(tput sgr0)
+
+# Install the Dart SDK.
 - curl -o dart.zip "https://storage.googleapis.com/dart-archive/channels/stable/release/$DART_VERSION/sdk/dartsdk-linux-x64-release.zip"
 - unzip dart.zip
 - export PATH="$PATH:`pwd`/dart-sdk/bin"
 - pub get
 
+# Install the Node SDK if we're running Node tests.
+- if-node() { if [ ! -z "$NODE_VERSION" ]; then "$@"; fi }
+- if-node . "$HOME/.nvm/nvm.sh"
+- if-node nvm install "$NODE_VERSION"
+- if-node nvm use "$NODE_VERSION"
+- if-node nvm install
+
+# Download sass-spec and install its dependencies if we're running specs.
 - if-specs() { if [ "$TASK" = specs ]; then "$@"; fi }
 - if-specs export sass_spec_ref=`tool/sass-spec-ref.sh`
 - if-specs git init sass-spec
@@ -29,9 +50,20 @@ install:
 
 script:
 - if [ "$TASK" = analyze ]; then
+    echo "${bold}Analzing Dart code.$none";
     dartanalyzer --fatal-warnings lib/;
   elif [ "$TASK" = format ]; then
+    echo "${bold}Ensuring Dart code is formatted.$none";
     ./tool/assert-formatted.sh;
+  elif [ "$TASK" = tests ]; then
+    if [ -z "$NODE_VERSION" ]; then
+      echo "${bold}Running Dart tests against $(dart --version &> /dev/stdout).$none";
+      pub run test -x node;
+    else
+      echo "${bold}Running Node tests against Node $(node --version).$none";
+      pub run test -t node;
+    fi;
   else
+    echo "${bold}Running sass-spec against $(dart --version &> /dev/stdout).$none";
     (cd sass-spec; bundle exec sass-spec.rb --dart ..);
   fi

test/node_cli_test.dart

@@ -2,6 +2,8 @@
 // MIT-style license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+@Tags(const ['node'])
+
 import 'dart:io';
 
 import 'package:scheduled_test/scheduled_process.dart';