Add more tests for exports-last

tests/src/rules/exports-last.js

@@ -9,45 +9,107 @@ const errors = ['Export statements should appear at the end of the file']
 
 ruleTester.run('exports-last', rule, {
   valid: [
+    // Empty file
     test({
+      code: '',
+    }),
+    test({
+      // No exports
       code: `
-        const foo = 'bar';
-        const bar = 'baz';
+        const foo = 'bar'
+        const bar = 'baz'
       `,
     }),
     test({
       code: `
-        const foo = 'bar';
-        export {foo};
+        const foo = 'bar'
+        export {foo}
       `,
     }),
     test({
       code: `
-        const foo = 'bar';
-        export default foo;
+        const foo = 'bar'
+        export default foo
       `,
     }),
+    // Only exports
     test({
       code: `
-        const foo = 'bar';
-        export default foo;
-        export const bar = true;
+        export default foo
+        export const bar = true
+      `,
+    }),
+    test({
+      code: `
+        const foo = 'bar'
+        export default foo
+        export const bar = true
+      `,
+    }),
+    // Multiline export
+    test({
+      code: `
+        const foo = 'bar'
+        export default function foo () {
+          const very = 'multiline'
+        }
+        export const bar = true
+      `,
+    }),
+    // Many exports
+    test({
+      code: `
+        const foo = 'bar'
+        export default foo
+        export const so = 'many'
+        export const exports = ':)'
+        export const i = 'cant'
+        export const even = 'count'
+        export const how = 'many'
+      `,
+    }),
+    // Export all
+    test({
+      code: `
+        export * from './foo'
       `,
     }),
-
   ],
   invalid: [
+    // Default export before variable declaration
+    test({
+      code: `
+        export default 'bar'
+        const bar = true
+      `,
+      errors,
+    }),
+    // Named export before variable declaration
+    test({
+      code: `
+        export const foo = 'bar'
+        const bar = true
+      `,
+      errors,
+    }),
+    // Export all before variable declaration
     test({
       code: `
-        export default 'bar';
-        const bar = true;
+        export * from './foo'
+        const bar = true
       `,
       errors,
     }),
+    // Many exports arround variable declaration
     test({
       code: `
-        export const foo = 'bar';
-        const bar = true;
+        export default 'such foo many bar'
+        export const so = 'many'
+        const foo = 'bar'
+        export const exports = ':)'
+        export const i = 'cant'
+        export const even = 'count'
+        export const how = 'many'
       `,
       errors,
     }),