test(prepublish): initial scenario

tests/index.js

@@ -5,3 +5,4 @@ var test = require('tape')
 var createModule = require('./lib/create-module')
 
 require('./scenarios/install')(test, createModule)
+require('./scenarios/prepublish')(test, createModule)

tests/scenarios/prepublish.js

@@ -0,0 +1,49 @@
+'use strict'
+
+var fs = require('fs')
+var exec = require('child_process').exec
+
+var efh = require('error-first-handler')
+var nixt = require('nixt')
+
+module.exports = function (test, createModule) {
+  createModule(efh()(function (name, cwd) {
+    test('prepublish', function (t) {
+      prepublishTest(t, 'refactor: change', '0.0.0', 1, 'abort publish w/o changes')
+      prepublishTest(t, 'fix: change', '1.0.0', 0, 'release 1.0.0 if unpublished')
+      prepublishTest(t, 'fix: change', '1.0.1', 0, 'bump patch for fix')
+      prepublishTest(t, 'feat: change', '1.1.0', 0, 'bump minor for feature')
+      prepublishTest(t, 'fix: BREAKING CHANGE: change', '2.0.0', 0, 'bump major for breaking change')
+    })
+
+    function prepublishTest (t, message, version, code, name) {
+      t.test(name, function (t) {
+        t.plan(3)
+
+        nixt()
+          .cwd(cwd)
+          .env('CI', true)
+          .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)
+            })
+          })
+      })
+    }
+  }))
+}