diff --git a/.editorconfig b/.editorconfig
index af440cbf..be141b7d 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -16,7 +16,7 @@ trim_trailing_whitespace = true
 indent_size = 2
 
 
-[{*.md,*.jade}]
+[{*.md,*.jade,*.pug}]
 trim_trailing_whitespace = false
 
 
diff --git a/ghu.js b/ghu.js
index 441b3c56..e031b19e 100644
--- a/ghu.js
+++ b/ghu.js
@@ -9,7 +9,7 @@ const SRC = join(ROOT, 'src');
 const TEST = join(ROOT, 'test');
 const BUILD = join(ROOT, 'build');
 
-const mapper = mapfn.p(SRC, BUILD).s('.less', '.css').s('.jade', '');
+const mapper = mapfn.p(SRC, BUILD).s('.less', '.css').s('.pug', '');
 
 ghu.defaults('release');
 
@@ -88,8 +88,8 @@ ghu.task('build:styles', runtime => {
 });
 
 ghu.task('build:pages', runtime => {
-    return read(`${SRC}: **/*.jade, ! **/*.tpl.jade`)
-        .then(newerThan(mapper, `${SRC}/**/*.tpl.jade`))
+    return read(`${SRC}: **/*.pug, ! **/*.tpl.pug`)
+        .then(newerThan(mapper, `${SRC}/**/*.tpl.pug`))
         .then(pug({pkg: runtime.pkg}))
         .then(wrap('', runtime.commentHtml))
         .then(write(mapper, {overwrite: true}));
@@ -104,7 +104,7 @@ ghu.task('build:copy', runtime => {
             .then(wrap(runtime.commentJs))
             .then(write(mapper, {overwrite: true, cluster: true})),
 
-        read(`${SRC}: **, ! **/*.js, ! **/*.less, ! **/*.jade, ! **/conf/*.json`)
+        read(`${SRC}: **, ! **/*.js, ! **/*.less, ! **/*.pug, ! **/conf/*.json`)
             .then(newerThan(mapper))
             .then(each(obj => {
                 if (/index\.php$/.test(obj.source)) {
diff --git a/src/_h5ai/private/php/pages/index.php.jade b/src/_h5ai/private/php/pages/index.php.pug
similarity index 88%
rename from src/_h5ai/private/php/pages/index.php.jade
rename to src/_h5ai/private/php/pages/index.php.pug
index 4b785a59..90a5ad67 100644
--- a/src/_h5ai/private/php/pages/index.php.jade
+++ b/src/_h5ai/private/php/pages/index.php.pug
@@ -1,4 +1,4 @@
-extends ./page.tpl.jade
+extends ./page.tpl.pug
 
 block init
     - var title = 'index - powered by h5ai v' + pkg.version + ' (' + pkg.homepage + ')'
diff --git a/src/_h5ai/private/php/pages/info.php.jade b/src/_h5ai/private/php/pages/info.php.pug
similarity index 87%
rename from src/_h5ai/private/php/pages/info.php.jade
rename to src/_h5ai/private/php/pages/info.php.pug
index 2ef019b1..029caaf9 100644
--- a/src/_h5ai/private/php/pages/info.php.jade
+++ b/src/_h5ai/private/php/pages/info.php.pug
@@ -1,4 +1,4 @@
-extends ./page.tpl.jade
+extends ./page.tpl.pug
 
 block init
     - var title = 'h5ai info page - v' + pkg.version
diff --git a/src/_h5ai/private/php/pages/page.tpl.jade b/src/_h5ai/private/php/pages/page.tpl.pug
similarity index 100%
rename from src/_h5ai/private/php/pages/page.tpl.jade
rename to src/_h5ai/private/php/pages/page.tpl.pug
diff --git a/test/tests.js b/test/tests.js
index a9401423..4de0d30f 100644
--- a/test/tests.js
+++ b/test/tests.js
@@ -2,6 +2,8 @@ const {test} = require('scar');
 const {pinHtml} = require('./util/pin');
 
 require('./tests/premisses');
+require('./tests/unit/core/event');
+require('./tests/unit/core/format');
 
 pinHtml();
 
diff --git a/test/tests/unit/core/event.js b/test/tests/unit/core/event.js
new file mode 100644
index 00000000..a0157e0a
--- /dev/null
+++ b/test/tests/unit/core/event.js
@@ -0,0 +1,22 @@
+const {test, assert} = require('scar');
+const event = require('../../../../src/_h5ai/public/js/lib/core/event');
+
+test('event is object', () => {
+    assert.equal(typeof event, 'object');
+});
+
+test('event has the right props', () => {
+    assert.deepEqual(Object.keys(event), ['sub', 'unsub', 'pub']);
+});
+
+test('event.sub is function', () => {
+    assert.equal(typeof event.sub, 'function');
+});
+
+test('event.unsub is function', () => {
+    assert.equal(typeof event.unsub, 'function');
+});
+
+test('event.pub is function', () => {
+    assert.equal(typeof event.pub, 'function');
+});
diff --git a/test/tests/unit/core/format.js b/test/tests/unit/core/format.js
new file mode 100644
index 00000000..06b83264
--- /dev/null
+++ b/test/tests/unit/core/format.js
@@ -0,0 +1,26 @@
+const {test, assert} = require('scar');
+const format = require('../../../../src/_h5ai/public/js/lib/core/format');
+
+test('format is object', () => {
+    assert.equal(typeof format, 'object');
+});
+
+test('format has the right props', () => {
+    assert.deepEqual(Object.keys(format), ['setDefaultMetric', 'formatSize', 'setDefaultDateFormat', 'formatDate']);
+});
+
+test('format.setDefaultMetric is function', () => {
+    assert.equal(typeof format.setDefaultMetric, 'function');
+});
+
+test('format.formatSize is function', () => {
+    assert.equal(typeof format.formatSize, 'function');
+});
+
+test('format.setDefaultDateFormat is function', () => {
+    assert.equal(typeof format.setDefaultDateFormat, 'function');
+});
+
+test('format.formatDate is function', () => {
+    assert.equal(typeof format.formatDate, 'function');
+});