Coupon stacking test cases
Create checkout test cases for supplied coupon rules: valid order, excluded item, minimum spend, expiry and attempted stacking. Add your real source details before generating the draft. Paste this prompt into ChatGPT, Gemini, Claude or Grok, change the parts in brackets to suit you, and generate.
- Written for
- ChatGPT, Gemini, Claude, Grok
- Occasion
- Black Friday & Cyber Monday · 27 Nov · Cyber Monday 30 Nov
- Status
- Tested 9 Oct 2026 in Grok, 9 Oct 2026 (one run; model id not exposed)
- Test settings
- The page's exact default prompt was run once in Grok on 9 Oct 2026. The text in Your notes is an illustration, not a real event. ChatGPT and Gemini were not used. The first result was kept.
- Variability
- Another run, or different notes, will change the wording. This is the first result for the illustrative notes on this page.
Prompt
Create checkout test cases for supplied coupon rules: valid order, excluded item, minimum spend, expiry and attempted stacking. Input: use only the notes at the end. If a fact this job needs is missing, ask one direct question and do not guess. Format for Coupon stacking test cases: 1. State expected behaviour and unresolved rule conflicts. Do not add facts, names, dates, numbers or sources that are not in the notes. Notes: Rules: SAVE10 takes $10 off one cart when merchandise is at least $60 before shipping. Ends 5 Dec 23:59 UTC. Gift cards are excluded. SAVE10 does not combine with WELCOME5. Unresolved: the sheet never says which code remains if both are entered. 1. Valid. Two lamps, $70. Expect merchandise $60. Shipping stays as quoted. 2. Excluded item. $70 lamp plus a $30 gift card. Expect $10 off the lamp only. Card stays $30. 3. Under the minimum. One lamp, $55. Expect no cut, and the sheet's own line: "Add $5 to use SAVE10." 4. Expiry. 6 Dec 00:10 UTC. SAVE10 is refused. Total stays $70. 5. Stacking. $70 cart, SAVE10 then WELCOME5. Only one code may apply. Which one wins is unresolved until the tie rule is written.
Customise
Paste the list, names, dates or other facts this prompt should use.
Fields start with illustrative values; replace them with your own facts. The prompt updates as you type. Copy prompt copies your version.
Example output
Actual tested output. The notes used for this result are an example, not a real event. This box is not copied. Replace the notes above with your own before you paste the prompt.
Coupon test cases SAVE10 takes $10 off one cart when merchandise is at least $60 before shipping. Ends 5 Dec 23:59 UTC. Gift cards are excluded. SAVE10 does not combine with WELCOME5. 1. Valid order Two lamps, $70. Expect merchandise $60. Shipping stays as quoted. 2. Excluded item $70 lamp plus a $30 gift card. Expect $10 off the lamp only. Card stays $30. 3. Minimum spend One lamp, $55. Expect no cut, and the sheet's own line: "Add $5 to use SAVE10." 4. Expiry 6 Dec 00:10 UTC. SAVE10 is refused. Total stays $70. 5. Attempted stacking $70 cart, SAVE10 then WELCOME5. Only one code may apply. Unresolved rule conflict The sheet never says which code remains if both are entered. Which one wins stays unresolved until the tie rule is written.
How to use it
- Open ChatGPT, Gemini, Grok or Claude.
- Paste the prompt and replace the [BRACKETS] with your details.
- Review names, facts and the requested format; follow up with corrections or missing details.
How to use this prompt
- Fill Customise with your real details. Do not let the tool guess a missing fact. Write the missing information clearly if you need to.
- Press Copy prompt and paste it into the AI app named above. This page copies the prompt. The answer is created in the external app.
- Check names, facts, numbers, language and the format you asked for. If something is wrong or incomplete, ask for a correction.
Good to know
- Written and structurally reviewed as an editable prompt; not independently run in a named AI app. Supply the requested source facts and verify the draft before use. A visual preview shows the task format, not an AI-tested result. The notes in Your notes are an example, not a real event. Run once in Grok on 9 Oct 2026. Replace the notes with your own before you use the draft.
- Check facts before you rely on the answer.
