test: code coverange

Author: cap-Bernardito

test/runtime/__snapshots__/api.test.js.snap

@@ -2,6 +2,8 @@
 
 exports[`api should import modules 1`] = `"body { b: 2; }body { c: 3; }body { b: 2; }@media print {body { b: 2; }}@media print {body { d: 4; }}@media screen and (orientation:landscape) {body { a: 1; }}@media (orientation:landscape) {body { a: 1; }}"`;
 
+exports[`api should import modules with dedupe 1`] = `"@media  {.button { b: 2; }}"`;
+
 exports[`api should import named modules 1`] = `"body { b: 2; }body { c: 3; }body { b: 2; }@media print {body { b: 2; }}@media print {body { d: 4; }}@media screen {body { a: 1; }}"`;
 
 exports[`api should toString a single module 1`] = `"body { a: 1; }"`;

test/runtime/api.test.js

@@ -137,4 +137,25 @@ describe('api', () => {
 
     expect(m.toString()).toMatchSnapshot();
   });
+
+  it('should import modules with dedupe', () => {
+    const m = api();
+    const m1 = api();
+    const m2 = api();
+
+    const m3 = ['./module3', '.button { b: 2; }', ''];
+    const m4 = ['./module4', 'body { b: 3; }', ''];
+    const m5 = ['./module5', 'body { d: 4; }', ''];
+
+    m.i(m1, '', true);
+    m.i(m2, '', true);
+    m1.i(m3, '', true);
+    m1.i(m4, '', true);
+    m2.i(m3, '', true);
+    m2.i(m5, '', true);
+
+    m.push(m1);
+
+    expect(m.toString()).toMatchSnapshot();
+  });
 });