test(generatorConstants): create generatorConstants tests

Author: mahek888

lib/svg/generatorConstants.test.ts

@@ -0,0 +1,40 @@
+import { describe, it, expect } from 'vitest';
+import { SVG_WIDTH, SVG_HEIGHT, FONT_MAP, isFontKey } from './generatorConstants';
+
+describe('generatorConstants', () => {
+  it('SVG_WIDTH equals 600', () => {
+    expect(SVG_WIDTH).toBe(600);
+  });
+
+  it('SVG_HEIGHT equals 420', () => {
+    expect(SVG_HEIGHT).toBe(420);
+  });
+
+  it('FONT_MAP jetbrains contains JetBrains Mono', () => {
+    expect(FONT_MAP.jetbrains).toContain('JetBrains Mono');
+  });
+
+  it('FONT_MAP fira contains Fira Code', () => {
+    expect(FONT_MAP.fira).toContain('Fira Code');
+  });
+
+  it('FONT_MAP roboto contains Roboto', () => {
+    expect(FONT_MAP.roboto).toContain('Roboto');
+  });
+
+  it('isFontKey returns true for jetbrains', () => {
+    expect(isFontKey('jetbrains')).toBe(true);
+  });
+
+  it('isFontKey returns true for roboto', () => {
+    expect(isFontKey('roboto')).toBe(true);
+  });
+
+  it('isFontKey returns false for unknown-font', () => {
+    expect(isFontKey('unknown-font')).toBe(false);
+  });
+
+  it('isFontKey returns false for empty string', () => {
+    expect(isFontKey('')).toBe(false);
+  });
+});