You want to test navigation to a child route with parameters using RouterTestingModule. Which approach correctly simulates navigation to /users/42/details?

hard📝 component behavior Q8 of 15

Angular - Testing

You want to test navigation to a child route with parameters using RouterTestingModule. Which approach correctly simulates navigation to /users/42/details?

Arouter.navigate(['/users/details?id=42']);

Brouter.navigate(['/users', 42, 'details']);

Crouter.navigate(['/users/details', 42]);

Drouter.navigate(['/users'], { queryParams: { id: 42, page: 'details' } });

Step-by-Step Solution

Solution:

Step 1: Understand route parameter syntax
Route parameters are passed as separate path segments in the array argument to navigate().
Step 2: Analyze options
router.navigate(['/users', 42, 'details']); correctly passes 'users', then 42 as param, then 'details'. router.navigate(['/users/details', 42]); mixes order. router.navigate(['/users/details?id=42']); treats param as query string incorrectly. router.navigate(['/users'], { queryParams: { id: 42, page: 'details' } }); uses queryParams, not path params.
Final Answer:
router.navigate(['/users', 42, 'details']); -> Option B
Quick Check:
Path params passed as separate segments in navigate() [OK]

Quick Trick: Pass route params as separate array elements in navigate() [OK]

Common Mistakes:

Combining params in one string segment
Using queryParams instead of path params
Incorrect order of path segments

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You want to test navigation to a child route with parameters using RouterTestingModule. Which approach correctly simulates navigation to /users/42/details?

Step 1: Understand route parameter syntax

Step 2: Analyze options

Final Answer:

Quick Check:

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