test: add tests for wildcardMatch keys option

For #247

Author: mrodrig

test/config/testCsvFilesList.ts

@@ -51,6 +51,7 @@ const csvFileConfig = [
     {key: 'nestedNotUnwoundObjects', file: '../data/csv/nestedNotUnwoundObjects.csv'},
     {key: 'newlineWithWrapDelimiters', file: '../data/csv/newlineWithWrapDelimiters.csv'},
     {key: 'excludeKeyPattern', file: '../data/csv/excludeKeyPattern.csv'},
+    {key: 'wildcardMatch', file: '../data/csv/wildcardMatch.csv'},
 ];
 
 function readCsvFile(filePath: string) {

test/config/testJsonFilesList.ts

@@ -44,4 +44,5 @@ export default {
     falsyValues: require('../data/json/falsyValues.json'),
     newlineWithWrapDelimiters: require('../data/json/newlineWithWrapDelimiters'),
     excludeKeyPattern: require('../data/json/excludeKeyPattern'),
+    wildcardMatch: require('../data/json/wildcardMatch.json'),
 };

test/data/csv/wildcardMatch.csv

@@ -0,0 +1,2 @@
+foo,bar,baz.a,baz.array
+foo,bar,a,c

test/data/json/wildcardMatch.json

@@ -0,0 +1,11 @@
+[
+    {
+        "foo": "foo",
+        "bar": "bar",
+        "baz": {
+            "a": "a",
+            "b": "b",
+            "array": "c"
+        }
+    }
+]

test/json2csv.ts

@@ -540,6 +540,44 @@ export function runTests() {
                 assert.equal(csv, csvTestData.nestedDotKeys.replace(/\\\./g, '.'));
             });
 
+            // Test case for #247
+            it('should not escape nested dots in keys with nested dots in them if turned off via the option', () => {
+                const csv = json2csv(jsonTestData.wildcardMatch, {
+                    keys: ['foo', 'bar', 'baz.a', 'baz.array'],
+                });
+                assert.equal(csv, csvTestData.wildcardMatch);
+            });
+
+            // Test case for #247
+            it('should not escape nested dots in keys with nested dots in them if turned off via the option', () => {
+                const csv = json2csv(jsonTestData.wildcardMatch, {
+                    keys: ['foo', 'bar', { field: 'baz.a', wildcardMatch: true }],
+                });
+                assert.equal(csv, csvTestData.wildcardMatch);
+            });
+
+            // Test case for #247
+            it('should not escape nested dots in keys with nested dots in them if turned off via the option', () => {
+                const updatedCsv = csvTestData.wildcardMatch.replace('baz.a,baz.array', 'baz.a,baz.b,baz.array')
+                    .replace('a,c', 'a,b,c');
+                
+                const csv = json2csv(jsonTestData.wildcardMatch, {
+                    keys: ['foo', 'bar', { field: 'baz', wildcardMatch: true }],
+                });
+                assert.equal(csv, updatedCsv);
+            });
+
+            // Test case for #247
+            it('should not escape nested dots in keys with nested dots in them if turned off via the option', () => {
+                const updatedCsv = csvTestData.wildcardMatch.replace('foo,bar,baz.a,baz.array', 'foo,baz.a,baz.array,bar')
+                    .replace('foo,bar,a,c', 'foo,a,c,bar');
+                
+                const csv = json2csv(jsonTestData.wildcardMatch, {
+                    keys: ['foo', { field: 'baz.a', wildcardMatch: true }, 'bar'],
+                });
+                assert.equal(csv, updatedCsv);
+            });
+
             it('should use a custom value parser function when provided', () => {
                 const updatedCsv = csvTestData.trimmedFields.split('\n');
                 const textRow = 'Parsed Value,Parsed Value,Parsed Value,Parsed Value,Parsed Value';