feat: change-csv-separator

src/pages/tools/csv/change-csv-separator/change-csv-separator.service.test.ts

@@ -0,0 +1,125 @@
+import { expect, describe, it } from 'vitest';
+import { changeCsvSeparator } from './service';
+import { InitialValuesType } from './types';
+
+describe('changeCsvSeparator', () => {
+  it('should change the separator from comma to semicolon', () => {
+    const inputCsv = 'name,age,city\nJohn,30,New York';
+    const options: InitialValuesType = {
+      inputSeparator: ',',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: false,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('name;age;city\nJohn;30;New York');
+  });
+
+  it('should handle empty input gracefully', () => {
+    const inputCsv = '';
+    const options: InitialValuesType = {
+      inputSeparator: ',',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: false,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('');
+  });
+
+  it('should not modify the CSV if the separator is already correct', () => {
+    const inputCsv = 'name;age;city\nJohn;30;New York';
+    const options: InitialValuesType = {
+      inputSeparator: ';',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: false,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe(inputCsv);
+  });
+
+  it('should handle custom separators', () => {
+    const inputCsv = 'name|age|city\nJohn|30|New York';
+    const options: InitialValuesType = {
+      inputSeparator: '|',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: false,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('name;age;city\nJohn;30;New York');
+  });
+
+  it('should quote all output values', () => {
+    const inputCsv = 'name|age|city\nJohn|30|New York';
+    const options: InitialValuesType = {
+      inputSeparator: '|',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: false,
+      outputSeparator: ';',
+      outputQuoteAll: true,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('"name";"age";"city"\n"John";"30";"New York"');
+  });
+
+  it('should remove quotes from input values', () => {
+    const inputCsv = '"name"|"age"|"city"\n"John"|"30"|"New York"';
+    const options: InitialValuesType = {
+      inputSeparator: '|',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: false,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('name;age;city\nJohn;30;New York');
+  });
+
+  it('should handle emptylines', () => {
+    const inputCsv = '"name"|"age"|"city"\n\n"John"|"30"|"New York"';
+    const options: InitialValuesType = {
+      inputSeparator: '|',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: true,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('name;age;city\nJohn;30;New York');
+  });
+
+  it('should handle emptylines', () => {
+    const inputCsv = '"name"|"age"|"city"\n\n"John"|"30"|"New York"';
+    const options: InitialValuesType = {
+      inputSeparator: '|',
+      inputQuoteCharacter: '"',
+      commentCharacter: '#',
+      emptyLines: true,
+      outputSeparator: ';',
+      outputQuoteAll: false,
+      OutputQuoteCharacter: '"'
+    };
+    const result = changeCsvSeparator(inputCsv, options);
+    expect(result).toBe('name;age;city\nJohn;30;New York');
+  });
+});