Move tests to @babel/standalone

packages/babel-preset-env/test/preset-env.spec.js

@@ -0,0 +1,57 @@
+// build-babel-standalone in CI coverage tests is skipped, so we skip this test as well
+describe("preset-env", () => {
+  const Babel = require("../babel");
+
+  it("works w/o targets", () => {
+    const output = Babel.transform("const a = 1;", {
+      sourceType: "script",
+      presets: ["env"],
+    }).code;
+    expect(output).toBe("var a = 1;");
+  });
+
+  it("doesn't transpile `const` with chrome 60", () => {
+    const output = Babel.transform("const a = 1;", {
+      sourceType: "script",
+      presets: [
+        [
+          "env",
+          {
+            targets: {
+              chrome: 60,
+            },
+          },
+        ],
+      ],
+    }).code;
+    expect(output).toBe("const a = 1;");
+  });
+
+  it("transpiles `const` with chrome 60 and preset-es2015", () => {
+    const output = Babel.transform("const a = 1;", {
+      sourceType: "script",
+      presets: [
+        [
+          "env",
+          {
+            targets: {
+              chrome: 60,
+            },
+          },
+        ],
+        "es2015",
+      ],
+    }).code;
+    expect(output).toBe("var a = 1;");
+  });
+
+  it("uses transform-new-targets plugin", () => {
+    const output = Babel.transform("function Foo() {new.target}", {
+      sourceType: "script",
+      presets: ["env"],
+    }).code;
+    expect(output).toBe(
+      "function Foo() {\n  this instanceof Foo ? this.constructor : void 0;\n}",
+    );
+  });
+});