Add unit test for backslash escapes

pgonzal · pgonzal · commit d85335dd0aed · 2018-06-21T17:22:49.000-07:00
diff --git a/libraries/rushell/src/test/Tokenizer.test.ts b/libraries/rushell/src/test/Tokenizer.test.ts
@@ -6,7 +6,8 @@ import { Tokenizer, TokenKind } from '../Tokenizer';
 function escape(s: string): string {
   return s.replace(/\n/g, '[n]')
     .replace(/\r/g, '[r]')
-    .replace(/\t/g, '[t]');
+    .replace(/\t/g, '[t]')
+    .replace(/\\/g, '[b]');
 }
 
 function matchSnapshot(input: string): void {
@@ -17,11 +18,15 @@ function matchSnapshot(input: string): void {
   }).toMatchSnapshot();
 }
 
-test('empty inputs', () => {
+test('00: empty inputs', () => {
   matchSnapshot('');
   matchSnapshot('\r\n');
 });
 
-test('white space tokens', () => {
-  matchSnapshot('  abc   \r\ndef  \n  ghi\n\r  ');
+test('01: white space tokens', () => {
+  matchSnapshot(' \t abc   \r\ndef  \n  ghi\n\r  ');
+});
+
+test('02: text with escapes', () => {
+  matchSnapshot(' ab+56\\>qrst$(abc\\))');
 });
diff --git a/libraries/rushell/src/test/__snapshots__/Tokenizer.test.ts.snap b/libraries/rushell/src/test/__snapshots__/Tokenizer.test.ts.snap
@@ -1,13 +1,13 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`empty inputs 1`] = `
+exports[`00: empty inputs 1`] = `
 Object {
   "input": "",
   "tokens": Array [],
 }
 `;
 
-exports[`empty inputs 2`] = `
+exports[`00: empty inputs 2`] = `
 Object {
   "input": "[r][n]",
   "tokens": Array [
@@ -19,7 +19,7 @@ Object {
 }
 `;
 
-exports[`white space tokens 1`] = `
+exports[`01: white space tokens 1`] = `
 Object {
   "input": " [t] abc   [r][n]def  [n]  ghi[n][r]  ",
   "tokens": Array [
@@ -74,3 +74,43 @@ Object {
   ],
 }
 `;
+
+exports[`02: text with escapes 1`] = `
+Object {
+  "input": " ab+56[b]>qrst$(abc[b]))",
+  "tokens": Array [
+    Array [
+      "Spaces",
+      " ",
+    ],
+    Array [
+      "Text",
+      "ab",
+    ],
+    Array [
+      "Other",
+      "+",
+    ],
+    Array [
+      "Text",
+      "56>qrst",
+    ],
+    Array [
+      "Other",
+      "$",
+    ],
+    Array [
+      "Other",
+      "(",
+    ],
+    Array [
+      "Text",
+      "abc)",
+    ],
+    Array [
+      "Other",
+      ")",
+    ],
+  ],
+}
+`;
