test(pre): custom commit message analyzer

tests/lib/commit-to-version-test.js

@@ -0,0 +1,37 @@
+'use strict'
+
+var fs = require('fs')
+var exec = require('child_process').exec
+
+var nixt = require('nixt')
+
+module.exports = function (t, message, version, code, name, cwd) {
+  t.test(name, function (t) {
+    t.plan(3)
+
+    nixt()
+      .cwd(cwd)
+      .env('CI', true)
+      .env('npm_config_registry', 'http://127.0.0.1:4873/')
+      .exec('git commit --allow-empty -m "' + message + '"')
+      .run('npm run prepublish')
+      .code(code)
+      .stdout(/> semantic-release pre\n\nDetermining new version\n/m)
+      .end(function (err) {
+        t.error(err, 'nixt')
+
+        var pkg = JSON.parse(fs.readFileSync(cwd + '/package.json'))
+        t.is(pkg.version, version, 'version')
+
+        if (code === 1) {
+          return t.error(null, 'no publish')
+        }
+
+        exec('npm publish --ignore-scripts', {cwd: cwd}, function (err) {
+          setTimeout(function () {
+            t.error(err, 'publish')
+          }, 300)
+        })
+      })
+  })
+}

tests/lib/custom-analyzer.js

@@ -0,0 +1,20 @@
+'use strict'
+
+module.exports = function (commits) {
+  var type = null
+
+  commits.every(function (commit) {
+    if (/FOO/.test(commit.message)) {
+      type = 'major'
+      return false
+    }
+
+    if (/BAR/.test(commit.message)) type = 'minor'
+
+    if (!type && /BAZ/.test(commit.message)) type = 'patch'
+
+    return true
+  })
+
+  return type
+}