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Fix Concept section: use IsFullyPaid() example, not custom matcher

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The Concept demo should show a different pattern (encapsulate behavior)
than the exercise (custom matcher) so the exercise stays fresh.
This commit is contained in:
mostalive
2026-09-02 22:30:03 +01:00
parent cfde583649
commit 5965ed8998
1 changed files with 4 additions and 5 deletions
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exercises/show-dont-tell/learning-hour.md
+4 -5
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@@ -44,10 +44,10 @@ The agent might:
### The "Show" Approach (works better) ### The "Show" Approach (works better)
Refactor one test yourself: Refactor one test yourself — encapsulate the attribute check behind a behavior method:
```csharp ```csharp
// Before — telling attributes // Before — checking an attribute
[Test] [Test]
public void CompletedOrder_TotalIsCorrect() public void CompletedOrder_TotalIsCorrect()
{ {
@@ -56,7 +56,6 @@ public void CompletedOrder_TotalIsCorrect()
order.Complete(); order.Complete();
Assert.That(order.Total, Is.EqualTo(100m)); Assert.That(order.Total, Is.EqualTo(100m));
Assert.That(order.Status, Is.EqualTo("completed"));
} }
// After — encapsulating behavior // After — encapsulating behavior
@@ -67,13 +66,13 @@ public void CompletedOrder_TotalIsCorrect()
order.AddLine(100m, 1); order.AddLine(100m, 1);
order.Complete(); order.Complete();
Assert.That(order, Has.OrderTotalCorrect(100m)); Assert.That(order.IsFullyPaid(100m), Is.True);
} }
``` ```
Then ask the agent: Then ask the agent:
> The first test was refactored to use `Has.OrderTotalCorrect()`. Apply the same pattern to the remaining tests. > The first test was refactored to use `order.IsFullyPaid(expected)` instead of asserting on `order.Total`. Apply the same pattern to the remaining tests.
The agent sees the concrete pattern and replicates it. No description needed. The agent sees the concrete pattern and replicates it. No description needed.