add tests

expo · Apr 27, 2020 · b185757 · b185757
1 parent c179f39
commit b185757
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Showing 2 changed files with 11 additions and 15 deletions.
diff --git a/packages/expo-analytics-segment/src/__tests__/Segment-test.android.ts b/packages/expo-analytics-segment/src/__tests__/Segment-test.android.ts
@@ -6,16 +6,8 @@ const mockOptions = {
   iosWriteKey: 'ios-write-key',
 };
 
-it(`initializes`, () => {
-  console.log(Object.keys(ExponentSegment));
+it(`initializes once for android`, () => {
   Segment.initialize(mockOptions);
-
   expect(ExponentSegment.initialize).toHaveBeenCalledWith(mockOptions.androidWriteKey);
-  expect(ExponentSegment.initialize).not.toHaveBeenCalled();
-});
-
-it(`does not initialize`, () => {
-  Segment.initialize({ iosWriteKey: 'ios-write-key' });
-
-  expect(ExponentSegment.initialize).not.toHaveBeenCalled();
+  expect(ExponentSegment.initialize).toHaveBeenCalledTimes(1);
 });
diff --git a/packages/expo-analytics-segment/src/__tests__/Segment-test.ios.ts b/packages/expo-analytics-segment/src/__tests__/Segment-test.ios.ts
@@ -6,14 +6,18 @@ const mockOptions = {
   iosWriteKey: 'ios-write-key',
 };
 
-it(`initializes`, () => {
+it(`initializes once for ios`, () => {
   Segment.initialize(mockOptions);
   expect(ExponentSegment.initialize).toHaveBeenCalledWith(mockOptions.iosWriteKey);
-  expect(ExponentSegment.initialize).not.toHaveBeenCalled();
+  expect(ExponentSegment.initialize).toHaveBeenCalledTimes(1);
 });
 
-it(`does not initialize`, () => {
-  Segment.initialize({ androidWriteKey: 'android-write-key' });
+it(`calling with an empty object results in error`, () => {
+  expect(() => {
+    Segment.initialize({});
+  }).toThrowError(
+    new Error('You must provide a platform-specific write key to initialize Segment.')
+  );
 
-  expect(ExponentSegment.initialize).not.toHaveBeenCalled();
+  expect(ExponentSegment.initialize).toHaveBeenCalledTimes(0);
 });