bracket-push: rename to matching-brackets (#253)

This rename was proposed in:
exercism/problem-specifications#1501

The rationale for the name is:

* to name the exercise by its story, not by what it potentially teaches
* to avoid unnecessarily biasing the solution space

config.json

@@ -1152,7 +1152,7 @@
       ]
     },
     {
-      "slug": "bracket-push",
+      "slug": "matching-brackets",
       "uuid": "b455f96b-329d-4dec-ac31-599b02c0b2e5",
       "core": false,
       "unlocked_by": null,

exercises/bracket-push/README.md → exercises/matching-brackets/README.md

@@ -1,4 +1,4 @@
-# Bracket Push
+# Matching Brackets
 
 Given a string containing brackets `[]`, braces `{}`, parentheses `()`,
 or any combination thereof, verify that any and all pairs are matched

exercises/bracket-push/bracket-push.example.ts → exercises/matching-brackets/matching-brackets.example.ts

@@ -1,4 +1,4 @@
-class BracketPush {
+class MatchingBrackets {
     bracketPairs: Map<string, string>
     expression: string
 
@@ -47,4 +47,4 @@ class BracketPush {
     }
 }
 
-export default BracketPush
+export default MatchingBrackets

exercises/matching-brackets/matching-brackets.test.ts

@@ -0,0 +1,73 @@
+import MatchingBrackets from './matching-brackets'
+
+describe('Matching Brackets', () => {
+    it('paired square brackets', () => {
+        const matchingBrackets = new MatchingBrackets('[]')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('empty string', () => {
+        const matchingBrackets = new MatchingBrackets('')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('unpaired brackets', () => {
+        const matchingBrackets = new MatchingBrackets('[[')
+        expect(matchingBrackets.isPaired()).toBeFalsy()
+    })
+
+    xit('wrong ordered brackets', () => {
+        const matchingBrackets = new MatchingBrackets('}{')
+        expect(matchingBrackets.isPaired()).toBeFalsy()
+    })
+
+    xit('wrong closing bracket', () => {
+        const matchingBrackets = new MatchingBrackets('{]')
+        expect(matchingBrackets.isPaired()).toBeFalsy()
+    })
+
+    xit('paired with whitespace', () => {
+        const matchingBrackets = new MatchingBrackets('{ }')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('simple nested brackets', () => {
+        const matchingBrackets = new MatchingBrackets('{[]}')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('several paired brackets', () => {
+        const matchingBrackets = new MatchingBrackets('{}[]')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('paired and nested brackets', () => {
+        const matchingBrackets = new MatchingBrackets('([{}({}[])])')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('unopened closing brackets', () => {
+        const matchingBrackets = new MatchingBrackets('{[)][]}')
+        expect(matchingBrackets.isPaired()).toBeFalsy()
+    })
+
+    xit('unpaired and nested brackets', () => {
+        const matchingBrackets = new MatchingBrackets('([{])')
+        expect(matchingBrackets.isPaired()).toBeFalsy()
+    })
+
+    xit('paired and wrong nested brackets', () => {
+        const matchingBrackets = new MatchingBrackets('[({]})')
+        expect(matchingBrackets.isPaired()).toBeFalsy()
+    })
+
+    xit('math expression', () => {
+        const matchingBrackets = new MatchingBrackets('(((185 + 223.85) * 15) - 543)/2')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+
+    xit('complex latex expression', () => {
+        const matchingBrackets = new MatchingBrackets('\\left(\\begin{array}{cc} \\frac{1}{3} & x\\\\ \\mathrm{e}^{x} &... x^2 \\end{array}\\right)')
+        expect(matchingBrackets.isPaired()).toBeTruthy()
+    })
+})