add tests

Author: aherlihy

packages/browser-repl/src/components/shell-output-line.spec.tsx

@@ -139,6 +139,20 @@ describe('<ShellOutputLine />', () => {
     expect(wrapper.text()).to.contain('nested_documents\ndecimal128\ncoll\npeople_imported\ncats');
   });
 
+  it('renders StatsResult', () => {
+    const wrapper = mount(<ShellOutputLine entry={{
+      format: 'output',
+      type: 'StatsResult',
+      value: {
+        c1: { metadata: 1 },
+        c2: { metadata: 2 }
+      }
+    }} />);
+
+    expect(wrapper.text()).to.include('---');
+    expect(wrapper.text()).to.include('metadata');
+  });
+
   it('renders an error', () => {
     const err = new Error('x');
     const wrapper = shallow(<ShellOutputLine entry={{ format: 'output', value: err }} />);

packages/browser-repl/src/components/shell-output-line.tsx

@@ -14,6 +14,7 @@ import { CursorIterationResultOutput } from './types/cursor-iteration-result-out
 import { ObjectOutput } from './types/object-output';
 import { SimpleTypeOutput } from './types/simple-type-output';
 import { ErrorOutput } from './types/error-output';
+import { inspect } from './utils/inspect';
 
 const styles = require('./shell-output-line.less');
 
@@ -57,10 +58,10 @@ export class ShellOutputLine extends Component<ShellOutputLineProps> {
     }
 
     if (type === 'StatsResult') {
-      const res = Object.keys(value).reduce((str, c) => {
-        return `${str}\n${c}\n${value[c]}\n---\n`;
-      }, '');
-      return <pre>{res}</pre>;
+      const res = Object.keys(value).map(c => {
+        return `${c}\n${inspect(value[c])}`;
+      }).join('\n---\n');
+      return <SimpleTypeOutput value={res} />;
     }
 
     if (type === 'ShowCollectionsResult') {

packages/cli-repl/src/format-output.spec.ts

@@ -115,6 +115,20 @@ describe('formatOutput', () => {
     });
   });
 
+  context('when the result is StatsResult', () => {
+    it('returns the --- separated list', () => {
+      const output = stripAnsiColors(format({
+        value: {
+          c1: { metadata: 1 },
+          c2: { metadata: 2 }
+        },
+        type: 'StatsResult'
+      }));
+
+      expect(output).to.contain('c1\n{ metadata: 1 }\n---\nc2\n{ metadata: 2 }');
+    });
+  });
+
   context('when the result is Help', () => {
     it('returns help text', () => {
       const output = stripAnsiColors(format({

packages/cli-repl/src/format-output.ts

@@ -76,9 +76,9 @@ function formatDatabases(output): string {
 }
 
 function formatStats(output): string {
-  return Object.keys(output).reduce((str, c) => {
-    return `${str}\n${c}\n${inspect(output[c])}\n---\n`;
-  }, '');
+  return Object.keys(output).map((c) => {
+    return `${clr(c, ['bold', 'yellow'])}\n${inspect(output[c])}`;
+  }).join('\n---\n');
 }
 
 export function formatError(error): string {