add unit tests for language

test/unit/middleware/requestLanguage.js

@@ -0,0 +1,97 @@
+
+var middleware = require('../../../middleware/requestLanguage');
+module.exports.tests = {};
+
+var DEFAULTS = {
+  defaulted: true,
+  iso6391: 'en',
+  iso6392B: 'eng',
+  iso6392T: 'eng',
+  iso6393: 'eng',
+  name: 'English',
+  scope: 'individual',
+  type: 'living'
+};
+
+module.exports.tests.defaults = function(test, common) {
+  test('default language', function(t) {
+
+    var req = { headers: {} };
+
+    middleware(req, {}, function () {
+      t.deepEqual( req.language, DEFAULTS, '$req.language set' );
+      t.end();
+    });
+  });
+};
+
+module.exports.tests.invalid = function(test, common) {
+  test('headers: invalid language', function(t) {
+
+    var req = { headers: {
+      'accept-language': 'invalid language'
+    }};
+
+    middleware(req, {}, function () {
+      t.deepEqual( req.language, DEFAULTS, '$req.language set' );
+      t.end();
+    });
+  });
+};
+
+module.exports.tests.valid = function(test, common) {
+  test('headers: valid language - french', function(t) {
+
+    var req = { headers: {
+      'accept-language': 'fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5'
+    }};
+
+    var expected = {
+      defaulted: false,
+      iso6391: 'fr',
+      iso6392B: 'fre',
+      iso6392T: 'fra',
+      iso6393: 'fra',
+      name: 'French',
+      scope: 'individual',
+      type: 'living'
+    };
+
+    middleware(req, {}, function () {
+      t.deepEqual( req.language, expected, '$req.language set' );
+      t.end();
+    });
+  });
+
+  test('headers: valid language - english', function(t) {
+
+    var req = { headers: {
+      'accept-language': 'en'
+    }};
+
+    var expected = {
+      defaulted: false,
+      iso6391: 'en',
+      iso6392B: 'eng',
+      iso6392T: 'eng',
+      iso6393: 'eng',
+      name: 'English',
+      scope: 'individual',
+      type: 'living'
+    };
+
+    middleware(req, {}, function () {
+      t.deepEqual( req.language, expected, '$req.language set' );
+      t.end();
+    });
+  });
+};
+
+module.exports.all = function (tape, common) {
+  function test(name, testFunction) {
+    return tape('[middleware] requestLanguage: ' + name, testFunction);
+  }
+  for( var testCase in module.exports.tests ){
+    module.exports.tests[testCase](test, common);
+  }
+};

test/unit/run.js

@@ -39,6 +39,7 @@ var tests = [
   require('./middleware/normalizeParentIds'),
   require('./middleware/trimByGranularity'),
   require('./middleware/trimByGranularityStructured'),
+  require('./middleware/requestLanguage'),
   require('./query/autocomplete'),
   require('./query/autocomplete_defaults'),
   require('./query/search_defaults'),