From 00dc2d73de8cad528931698604dd915c97c21fef Mon Sep 17 00:00:00 2001
From: Sidharth Vinod <sidharthv96@gmail.com>
Date: Thu, 8 Sep 2022 20:48:28 +0530
Subject: [PATCH] fix: Info diagram case sensitivity

---
 src/diagrams/info/info.spec.ts  | 22 +++++++++++++++-------
 src/diagrams/info/infoParser.ts |  6 +++---
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/src/diagrams/info/info.spec.ts b/src/diagrams/info/info.spec.ts
index b293d1564..7f5741dd0 100644
--- a/src/diagrams/info/info.spec.ts
+++ b/src/diagrams/info/info.spec.ts
@@ -35,11 +35,19 @@ describe('when parsing an info graph it', function () {
     }).toThrow();
   });
 
-  // TODO
-  // it('should no throw an error when showInfo is not defined', function () {
-  //   expect(() => {
-  //     infoParser.parse('info');
-  //   }).not.toThrow();
-  //   expect(infoDb.getInfo()).toEqual(false);
-  // });
+  it('should not throw an error when showInfo is not defined', function () {
+    infoParser.parse('info');
+    expect(infoDb.getInfo()).toEqual(true);
+  });
+
+  it.each([
+    `InFo`,
+    `Info
+  showinfo`,
+    `info
+  shOWINFO`,
+  ])('should be case insensitive', function (str) {
+    infoParser.parse(str);
+    expect(infoDb.getInfo()).toEqual(true);
+  });
 });
diff --git a/src/diagrams/info/infoParser.ts b/src/diagrams/info/infoParser.ts
index 80702b2fc..14044a443 100644
--- a/src/diagrams/info/infoParser.ts
+++ b/src/diagrams/info/infoParser.ts
@@ -2,8 +2,8 @@ import { createToken, EmbeddedActionsParser, Lexer } from 'chevrotain';
 import { log } from '../../logger';
 import infoDb from './infoDb';
 
-const Info = createToken({ name: 'Info', pattern: /info/ });
-const ShowInfo = createToken({ name: 'ShowInfo', pattern: /showInfo/ });
+const Info = createToken({ name: 'Info', pattern: /info/i });
+const ShowInfo = createToken({ name: 'ShowInfo', pattern: /showInfo/i });
 const NewLine = createToken({
   name: 'NewLine',
   pattern: /\r?\n/,
@@ -44,7 +44,7 @@ class InfoParser extends EmbeddedActionsParser {
 
   public hdr = this.RULE('hdr', () => {
     this.CONSUME(Info);
-    this.CONSUME(NewLine);
+    this.OPTION(() => this.CONSUME(NewLine));
   });
 
   public row = this.RULE('row', () => {