Add Currency formatter

* src/validate/formatter/Currency.js: Add trait.
* test/validate/formatter/CurrencyTest.js: Add test case.

1 files changed, 60 insertions, 0 deletions

diff --git a/test/validate/formatter/CurrencyTest.js b/test/validate/formatter/CurrencyTest.js
new file mode 100644
index 0000000..968e2e3
--- /dev/null
+++ b/test/validate/formatter/CurrencyTest.js
@@ -0,0 +1,60 @@
+/**
+ * Currency formatter test
+ *
+ *  Copyright (C) 2016 LoVullo Associates, Inc.
+ *
+ *  This file is part of liza.
+ *
+ *  liza is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+var liza          = require( '../../../' ),
+    Sut           = liza.validate.formatter.Currency,
+    EchoFormatter = liza.validate.formatter.EchoFormatter,
+    common        = require( './common' );
+
+
+describe( 'validate.formatter.Currency', function()
+{
+    common.testValidate( EchoFormatter.use( Sut )(), {
+        // should format anything given to it, with or without prefix
+        "1":            [ "1",     "$1"     ],
+        "foo":          [ "foo",   "$foo"   ],
+        "+":            [ "+",     "$+"     ],
+        "$foo":         [ "foo",   "$foo"   ],
+
+        // empty shouldn't format as anything
+        "":             [ "",      ""       ],
+        "$":            [ "",      ""       ],
+        "$$":           [ "",      ""       ],
+
+        // make sure these aren't considered to be empty
+        "0":            [ "0",      "$0"    ],
+        "$0":           [ "0",      "$0"    ],
+
+        // be lax on input
+        "$$foo":        [ "foo",   "$foo"   ],
+        "$$$$$$$12.34": [ "12.34", "$12.34" ],
+    } );
+
+
+    common.testMixin(
+        EchoFormatter,
+        Sut,
+        'foo',
+        '123',
+        'foo123',
+        '$foo123'
+    );
+} );