test(mos-test): cover with tests the test reports

lib/cli.spec.js

@@ -17,4 +17,52 @@ describe('cli', () => {
     return execa(cli, ['-v'])
       .then(result => expect(result.stdout).to.eq(pkg.version))
   })
+
+  describe('test', () => {
+    it('should pass markdown that is up to date', () => {
+      return execa(cli, ['test', 'test-cli/up-to-date.md', '--tap'], {
+        cwd: __dirname,
+      })
+        .then(result => expect(result.stdout).to.eq([
+          'TAP version 13',
+          '# markdown',
+          'ok 1 test-cli/up-to-date.md',
+          '',
+          '1..1',
+          '# tests 1',
+          '# pass  1',
+          '',
+          '# ok',
+          '',
+        ].join('\n')))
+    })
+
+    it('should fail markdown that is not up to date', () => {
+      return execa(cli, ['test', 'test-cli/not-up-to-date.md', '--tap'], {
+        cwd: __dirname,
+      })
+        .catch(result => {
+          expect(result.stdout).to.have.string([
+            'TAP version 13',
+            '# markdown',
+            'not ok 1 test-cli/not-up-to-date.md',
+            '  ---',
+            '    operator: equal',
+            '    expected: |-',
+            "      '<!--@\\'# \\' + package.name-->\\n# Bad title\\n<!--/@-->\\n\\nContent\\n'",
+            '    actual: |-',
+            "      '<!--@\\'# \\' + package.name-->\\n# slipsum-lite\\n<!--/@-->\\n\\nContent\\n'",
+          ].join('\n'))
+
+          expect(result.stdout).to.have.string([
+            '  ...',
+            '',
+            '1..1',
+            '# tests 1',
+            '# pass  0',
+            '# fail  1\n\n',
+          ].join('\n'))
+        })
+    })
+  })
 })

lib/test-cli/not-up-to-date.md

@@ -0,0 +1,5 @@
+<!--@'# ' + package.name-->
+# Bad title
+<!--/@-->
+
+Content

lib/test-cli/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "slipsum-lite",
+  "private": true,
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/zkochan/mos"
+  }
+}

lib/test-cli/up-to-date.md

@@ -0,0 +1,5 @@
+# Slipsum lite
+
+You see? It's curious. Ted did figure it out - time travel. And when we get back, we gonna tell everyone. How it's possible, how it's done, what the dangers are. But then why fifty years in the future when the spacecraft encounters a black hole does the computer call it an 'unknown entry event'? Why don't they know? If they don't know, that means we never told anyone. And if we never told anyone it means we never made it back. Hence we die down here. Just as a matter of deductive logic.
+
+Generated by (Samuel L. Ipsum)[http://slipsum.com/lite/]

package.json

@@ -11,15 +11,15 @@
   "main": "index.js",
   "scripts": {
     "commit": "git-cz",
-    "md:test": "node ./lib/cli test",
+    "md:test": "node ./lib/cli test -x=\"lib/test-cli/**\"",
     "lint": "eslint lib/** plugins/** index.js",
     "test:code": "mocha",
     "test": "npm run test:code && npm run lint && npm run md:test",
     "coverage": "istanbul cover -x \"**/*.spec.js\" node_modules/mocha/bin/_mocha -- -R spec",
     "precoveralls": "istanbul cover -x \"**/*.spec.js\" node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && npm i coveralls@2",
     "coveralls": "cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
     "postcoveralls": "rm -rf ./coverage",
-    "md:update": "node ./lib/cli",
+    "md:update": "node ./lib/cli -x=\"lib/test-cli/**\"",
     "prepublish": "npm test",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post"
   },