Add tests for changelog parsing

1 files changed, 65 insertions, 0 deletions

diff --git a/gui/test/setup/changelog.spec.ts b/gui/test/setup/changelog.spec.ts
new file mode 100644
index 0000000000..249c26e1db
--- /dev/null
+++ b/gui/test/setup/changelog.spec.ts
@@ -0,0 +1,65 @@
+import { expect } from 'chai';
+import { after, it, describe } from 'mocha';
+import { parseChangelog } from '../../src/main/changelog';
+
+// It should be handled the same no matter if the platforms are split with a space or not.
+const changelogItems = [
+  'Changelog item 1',
+  '[Windows] Changelog item 2',
+  '[macOS] Changelog item 3',
+  '[linux] Changelog item 4',
+  '[Windows, macOS] Changelog item 5',
+  '[Windows,linux] Changelog item 6',
+  '[Windows, macOS,linux] Changelog item 7',
+];
+
+const changelogString = changelogItems.join('\n');
+
+const mockPlatform = (platform: string) => {
+  Object.defineProperty(process, 'platform', { value: platform });
+};
+
+describe('Changelog parser', () => {
+  const platform = process.platform;
+
+  after(() => {
+    mockPlatform(platform);
+  });
+
+  it('should show Windows items', () => {
+    mockPlatform('win32');
+
+    const changelog = parseChangelog(changelogString);
+
+    expect(changelog).to.have.length(5);
+    expect(changelogItems[0].endsWith(changelog[0])).to.be.true;
+    expect(changelogItems[1].endsWith(changelog[1])).to.be.true;
+    expect(changelogItems[4].endsWith(changelog[2])).to.be.true;
+    expect(changelogItems[5].endsWith(changelog[3])).to.be.true;
+    expect(changelogItems[6].endsWith(changelog[4])).to.be.true;
+  });
+
+  it('should show macOS items', () => {
+    mockPlatform('darwin');
+
+    const changelog = parseChangelog(changelogString);
+
+    expect(changelog).to.have.length(4);
+    expect(changelogItems[0].endsWith(changelog[0])).to.be.true;
+    expect(changelogItems[2].endsWith(changelog[1])).to.be.true;
+    expect(changelogItems[4].endsWith(changelog[2])).to.be.true;
+    expect(changelogItems[6].endsWith(changelog[3])).to.be.true;
+  });
+
+  it('should show Linux items', () => {
+    mockPlatform('linux');
+
+    const changelog = parseChangelog(changelogString);
+
+    expect(changelog).to.have.length(4);
+    expect(changelogItems[0].endsWith(changelog[0])).to.be.true;
+    expect(changelogItems[3].endsWith(changelog[1])).to.be.true;
+    expect(changelogItems[5].endsWith(changelog[2])).to.be.true;
+    expect(changelogItems[6].endsWith(changelog[3])).to.be.true;
+  });
+});