add parseInterval unit tests

test/test.html

@@ -103,6 +103,7 @@
     <script src="tests/unit/find.js"></script>
     <script src="tests/unit/htmx.config.prefix.js"></script>
     <script src="tests/unit/morph.js"></script>
+    <script src="tests/unit/parseInterval.js"></script>
     <script src="tests/unit/swap.js"></script>
 
     <!-- Fast attribute tests -->

test/tests/unit/parseInterval.js

@@ -0,0 +1,79 @@
+describe('parseInterval unit tests', function() {
+
+    it('parses milliseconds', function () {
+        assert.equal(htmx.parseInterval('100ms'), 100)
+        assert.equal(htmx.parseInterval('1ms'), 1)
+        assert.equal(htmx.parseInterval('5000ms'), 5000)
+    })
+
+    it('parses seconds', function () {
+        assert.equal(htmx.parseInterval('1s'), 1000)
+        assert.equal(htmx.parseInterval('2s'), 2000)
+        assert.equal(htmx.parseInterval('10s'), 10000)
+    })
+
+    it('parses minutes', function () {
+        assert.equal(htmx.parseInterval('1m'), 60000)
+        assert.equal(htmx.parseInterval('2m'), 120000)
+        assert.equal(htmx.parseInterval('5m'), 300000)
+    })
+
+    it('parses decimal values', function () {
+        assert.equal(htmx.parseInterval('1.5s'), 1500)
+        assert.equal(htmx.parseInterval('0.5s'), 500)
+        assert.equal(htmx.parseInterval('2.5m'), 150000)
+    })
+
+    it('defaults to milliseconds when no unit specified', function () {
+        assert.equal(htmx.parseInterval('100'), 100)
+        assert.equal(htmx.parseInterval('1000'), 1000)
+        assert.equal(htmx.parseInterval('5'), 5)
+    })
+
+    it('handles decimal without unit', function () {
+        assert.equal(htmx.parseInterval('1.5'), 1.5)
+        assert.equal(htmx.parseInterval('100.25'), 100.25)
+    })
+
+    it('returns undefined for invalid input', function () {
+        assert.equal(htmx.parseInterval('abc'), undefined)
+        assert.equal(htmx.parseInterval('invalid'), undefined)
+        assert.equal(htmx.parseInterval(''), undefined)
+    })
+
+    it('returns undefined for null', function () {
+        assert.equal(htmx.parseInterval(null), undefined)
+    })
+
+    it('returns undefined for undefined', function () {
+        assert.equal(htmx.parseInterval(undefined), undefined)
+    })
+
+    it('returns undefined for invalid unit', function () {
+        assert.equal(htmx.parseInterval('100h'), undefined)
+        assert.equal(htmx.parseInterval('50d'), undefined)
+    })
+
+    it('returns undefined for negative values', function () {
+        assert.equal(htmx.parseInterval('-100ms'), undefined)
+        assert.equal(htmx.parseInterval('-1s'), undefined)
+    })
+
+    it('handles zero', function () {
+        assert.equal(htmx.parseInterval('0'), 0)
+        assert.equal(htmx.parseInterval('0ms'), 0)
+        assert.equal(htmx.parseInterval('0s'), 0)
+    })
+
+    it('handles very large numbers', function () {
+        assert.equal(htmx.parseInterval('999999ms'), 999999)
+        assert.equal(htmx.parseInterval('1000s'), 1000000)
+    })
+
+    it('returns undefined for strings with spaces', function () {
+        assert.equal(htmx.parseInterval('100 ms'), undefined)
+        assert.equal(htmx.parseInterval(' 100ms'), undefined)
+        assert.equal(htmx.parseInterval('100ms '), undefined)
+    })
+
+});