1 files changed, 94 insertions, 0 deletions
diff --git a/node_modules/vue-style-loader/test/test.js b/node_modules/vue-style-loader/test/test.js
new file mode 100644
index 00000000..10d5128c
--- /dev/null
+++ b/node_modules/vue-style-loader/test/test.js
@@ -0,0 +1,94 @@
+import addStylesClient from '../lib/addStylesClient'
+import addStylesServer from '../lib/addStylesServer'
+
+const mockedList = [
+  [1, 'h1 { color: red; }', ''],
+  [1, 'p { color: green; }', ''],
+  [2, 'span { color: blue; }', ''],
+  [2, 'span { color: blue; }', 'print']
+]
+
+test('addStylesClient (dev)', () => {
+  const update = addStylesClient('foo', mockedList, false)
+  assertStylesMatch(mockedList)
+  const mockedList2 = mockedList.slice(1, 3)
+  update(mockedList2)
+  assertStylesMatch(mockedList2)
+  update()
+  expect(document.querySelectorAll('style').length).toBe(0)
+})
+
+test('addStylesClient (prod)', () => {
+  const update = addStylesClient('foo', mockedList, true)
+  assertStylesMatch(mockedList)
+  const mockedList2 = mockedList.slice(2)
+  update(mockedList2)
+  assertStylesMatch(mockedList2)
+  update()
+  expect(document.querySelectorAll('style').length).toBe(0)
+})
+
+test('addStylesClient (dev + ssr)', () => {
+  mockSSRTags(mockedList, 'foo')
+  const update = addStylesClient('foo', mockedList, false)
+  assertStylesMatch(mockedList)
+  update()
+  expect(document.querySelectorAll('style').length).toBe(0)
+})
+
+test('addStylesClient (prod + ssr)', () => {
+  mockProdSSRTags(mockedList, 'foo')
+  const update = addStylesClient('foo', mockedList, true)
+  expect(document.querySelectorAll('style').length).toBe(1)
+})
+
+test('addStylesServer (dev)', () => {
+  const context = global.__VUE_SSR_CONTEXT__ = {}
+  addStylesServer('foo', mockedList, false)
+  expect(context.styles).toBe(
+    `<style data-vue-ssr-id="foo:0">h1 { color: red; }</style>` +
+    `<style data-vue-ssr-id="foo:1">p { color: green; }</style>` +
+    `<style data-vue-ssr-id="foo:2">span { color: blue; }</style>` +
+    `<style data-vue-ssr-id="foo:3" media="print">span { color: blue; }</style>`
+  )
+})
+
+test('addStylesServer (prod)', () => {
+  const context = global.__VUE_SSR_CONTEXT__ = {}
+  addStylesServer('foo', mockedList, true)
+  expect(context.styles).toBe(
+    `<style data-vue-ssr-id="foo:0 foo:1 foo:2">` +
+      `h1 { color: red; }\np { color: green; }\nspan { color: blue; }` +
+    `</style>` +
+    `<style data-vue-ssr-id="foo:3" media="print">span { color: blue; }</style>`
+  )
+})
+
+// --- helpers ---
+
+function assertStylesMatch (list) {
+  const styles = document.querySelectorAll('style')
+  expect(styles.length).toBe(list.length)
+  ;[].forEach.call(styles, (style, i) => {
+    expect(style.textContent.indexOf(list[i][1]) > -1).toBe(true)
+  })
+}
+
+function mockSSRTags (list, parentId) {
+  list.forEach((item, i) => {
+    const style = document.createElement('style')
+    style.setAttribute('data-vue-ssr-id', `${parentId}:${i}`)
+    style.textContent = item[1]
+    if (item[2]) {
+      style.setAttribute('media', item[2])
+    }
+    document.head.appendChild(style)
+  })
+}
+
+function mockProdSSRTags (list, parentId) {
+  const style = document.createElement('style')
+  style.setAttribute('data-vue-ssr-id', list.map((item, i) => `${parentId}:${i}`).join(' '))
+  style.textContent = list.map(item => item[1]).join('\n')
+  document.head.appendChild(style)
+}