Current Dev State

static/js/ketcher2/node_modules/table/test/calculateMaximumColumnWidthIndex.js

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+import {
+    expect
+} from 'chai';
+import chalk from 'chalk';
+import calculateMaximumColumnWidthIndex from './../src/calculateMaximumColumnWidthIndex';
+
+describe('calculateMaximumColumnWidthIndex', () => {
+  it('throws an error when attempting to calculate maximum column value index for an empty data set', () => {
+    expect(() => {
+      calculateMaximumColumnWidthIndex([]);
+    }).to.throw(Error, 'Dataset must have at least one row.');
+  });
+  it('calculates the maximum column value index', () => {
+    const maximumColumnValueIndex = calculateMaximumColumnWidthIndex([
+      [
+        '',
+        'a',
+        'b',
+        'c'
+      ],
+      [
+        '',
+        'a',
+        'bbbbbbbbbb',
+        'c'
+      ],
+      [
+        '',
+        '',
+        'b',
+        'ccccc'
+      ]
+    ]);
+
+    expect(maximumColumnValueIndex).to.deep.equal([0, 1, 10, 5]);
+  });
+  context('cell values contain ANSI codes', () => {
+    it('uses visual width of the string', () => {
+      const maximumColumnValueIndex = calculateMaximumColumnWidthIndex([
+        [
+          chalk.red('aaaaa')
+        ]
+      ]);
+
+      expect(maximumColumnValueIndex[0]).to.equal(5);
+    });
+  });
+  context('cell values contain fullwidth characters', () => {
+    it('uses visual width of the string', () => {
+      const maximumColumnValueIndex = calculateMaximumColumnWidthIndex([
+        [
+          chalk.red('古')
+        ]
+      ]);
+
+      expect(maximumColumnValueIndex[0]).to.equal(2);
+    });
+  });
+});