Inject manifest

Author: jouni-kantola

test/plugin-inject-manifest-test.js

@@ -0,0 +1,55 @@
+import test from "ava";
+import InlineChunkManifestHtmlWebpackPlugin from "../src/";
+
+test.cb("inject manifest in head", t => {
+  const manifestFilename = "a.manifest";
+  const manifestFileContent = "source-content";
+  const manifestVariable = "manifest-variable";
+
+  const compilationPluginEvent = (compilationEvent, alterAssets) => {
+    if (compilationEvent === "html-webpack-plugin-alter-asset-tags") {
+      const htmlPluginData = {
+        head: []
+      };
+
+      alterAssets(htmlPluginData, (_, result) => {
+        t.is(result.head.length, 1);
+        const asset = result.head[0];
+        t.is(asset.tagName, "script");
+        t.is(asset.closeTag, true);
+        t.is(asset.attributes.type, "text/javascript");
+        t.is(
+          asset.innerHTML,
+          `window.${manifestVariable}=${manifestFileContent}`
+        );
+        t.end();
+      });
+    }
+  };
+
+  const pluginEvent = (compilerEvent, compile) => {
+    t.is(compilerEvent, "compilation");
+
+    const assets = {};
+    assets[manifestFilename] = {
+      source: () => manifestFileContent
+    };
+
+    const compilation = {
+      plugin: compilationPluginEvent,
+      assets: assets
+    };
+
+    compile(compilation);
+  };
+
+  const fakeCompiler = { plugin: pluginEvent };
+
+  const plugin = new InlineChunkManifestHtmlWebpackPlugin({
+    filename: manifestFilename,
+    manifestVariable: manifestVariable
+  });
+
+  plugin.plugins = [{ apply: () => {} }];
+  plugin.apply(fakeCompiler);
+});