Added test for scripts/helpers/latestversion.js.

Ensuring no more LTS/Stable bloopers as seen fixed in 4fff518.

Author: phillipj

tests/scripts/latestversion.test.js

@@ -0,0 +1,56 @@
+'use strict'
+
+const test = require('tape')
+
+const latestversion = require('../../scripts/helpers/latestversion')
+
+test('latestversion.stable()', (t) => {
+  t.test('should be greater equal/greater than v5.0.0', (t) => {
+    const stableVersion = latestversion.stable([
+      { version: 'v4.2.1', lts: true },
+      { version: 'v0.12.7', lts: false }
+    ])
+
+    t.equal(stableVersion, undefined)
+    t.end()
+  })
+
+  t.test('should not be an LTS release', (t) => {
+    const stableVersion = latestversion.stable([
+      { version: 'v5.0.0', lts: false },
+      { version: 'v4.2.1', lts: true },
+      { version: 'v0.12.7', lts: false }
+    ])
+
+    t.equal(stableVersion, 'v5.0.0')
+    t.end()
+  })
+
+  t.end()
+})
+
+test('latestversion.lts()', (t) => {
+  t.test('should be an LTS release', (t) => {
+    const ltsVersion = latestversion.lts([
+      { version: 'v4.2.1', lts: true },
+      { version: 'v0.12.7', lts: false }
+    ])
+
+    t.equal(ltsVersion, 'v4.2.1')
+    t.end()
+  })
+
+  t.test('should pick latest LTS release', (t) => {
+    const ltsVersion = latestversion.lts([
+      { version: 'v5.0.0', lts: false },
+      { version: 'v4.2.1', lts: true },
+      { version: 'v4.2.0', lts: true },
+      { version: 'v0.12.7', lts: false }
+    ])
+
+    t.equal(ltsVersion, 'v4.2.1')
+    t.end()
+  })
+
+  t.end()
+})