Added Statistics calculation

Statistics now show calculated values

node_modules/mui/source/styles/getMuiTheme.spec.js

@@ -0,0 +1,81 @@
+/* eslint-env mocha */
+
+import {expect} from 'chai';
+import getMuiTheme from './getMuiTheme';
+
+describe('./styles/getMuiTheme', () => {
+  // Test backward compatibility
+  it('should work when we use two parameters', () => {
+    const muiTheme = getMuiTheme({
+      palette: {
+        accent1Color: 'Colors.deepOrange500',
+      },
+    }, {
+      userAgent: 'all',
+      appBar: {
+        height: 56,
+      },
+    });
+
+    expect(muiTheme.userAgent).to.equal('all');
+    expect(muiTheme.palette.accent1Color).to.equal('Colors.deepOrange500');
+    expect(muiTheme.appBar.height).to.equal(56);
+  });
+
+  it('should work when we use one parameter', () => {
+    const muiTheme = getMuiTheme({
+      palette: {
+        accent1Color: 'Colors.deepOrange500',
+      },
+      userAgent: 'all',
+      appBar: {
+        height: 56,
+      },
+    });
+
+    expect(muiTheme.userAgent).to.equal('all');
+    expect(muiTheme.palette.accent1Color).to.equal('Colors.deepOrange500');
+    expect(muiTheme.appBar.height).to.equal(56);
+  });
+
+  it('should work when we mutate the muiTheme', () => {
+    const muiTheme1 = getMuiTheme({
+      palette: {
+        accent1Color: 'Colors.deepOrange500',
+      },
+      userAgent: 'all',
+    });
+
+    const muiTheme2 = getMuiTheme(muiTheme1, {
+      palette: {
+        accent1Color: 'Colors.deepOrange600',
+      },
+      appBar: {
+        height: 56,
+      },
+    });
+
+    expect(muiTheme2.userAgent).to.equal('all');
+    expect(muiTheme2.palette.accent1Color).to.equal('Colors.deepOrange600');
+    expect(muiTheme2.appBar.height).to.equal(56);
+  });
+
+  describe('prepareStyles', () => {
+    describe('rtl', () => {
+      it('should revert the rules when isRtl is true', () => {
+        const muiTheme = getMuiTheme({}, {
+          isRtl: true,
+        });
+
+        const stylePrepared = muiTheme.prepareStyles({
+          right: 10,
+        });
+
+        expect(stylePrepared).to.deep.equal({
+          left: 10,
+          muiPrepared: true,
+        });
+      });
+    });
+  });
+});