Add more tests

test/fixtures/simple/nesting.js

@@ -0,0 +1,40 @@
+import styled from 'styled-components'
+
+// Nesting
+const Button = styled.button`
+  > h1 {
+    color: blue;
+  }
+`
+
+// Selectors
+const Button2 = styled.button`
+  color: red;
+  &:hover {
+    color: blue;
+  }
+`
+
+// Complex selectors
+const Button3 = styled.button`
+  color: red;
+  &:placeholder {
+    color: blue;
+  }
+
+  &::-webkit-input-placeholder {
+    color: blue;
+  }
+`
+
+const color = 'red'
+
+// Selectors + interpolations
+const Button4 = styled.button`
+  color: ${color};
+  background: ${color};
+
+  &:hover {
+    background-color: ${color};
+  }
+`;

test/simple.test.js

@@ -136,4 +136,26 @@ describe('simple', () => {
       })
     })
   })
+
+  describe('nesting', () => {
+    beforeAll(() => {
+      fixture = path.join(__dirname, './fixtures/simple/nesting.js')
+    })
+
+    it('should have one result', () => {
+      expect(data.results.length).toEqual(1)
+    })
+
+    it('should use the right file', () => {
+      expect(data.results[0].source).toEqual(fixture)
+    })
+
+    it('should not have errored', () => {
+      expect(data.errored).toEqual(false)
+    })
+
+    it('should not have any warnings', () => {
+      expect(data.results[0].warnings.length).toEqual(0)
+    })
+  })
 })