httpYac-simple-assertions.http

#
# This test uses httpYac Simple Assertions
#
# See: https://httpyac.github.io/guide/assert.html
#
### Change for 1 cent
POST /api/change
Content-Type: application/json

{
  "coins": [1, 5, 10, 25],
  "target": 1
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [1]

### Single coin change
POST /api/change
Content-Type: application/json

{
  "coins": [1, 5, 10, 25, 100],
  "target": 25
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [25]

### Multiple coin change
POST /api/change
Content-Type: application/json

{
  "coins": [1, 5, 10, 25, 100],
  "target": 15
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [5, 10]

### Change with Lilliputian Coins
POST /api/change
Content-Type: application/json

{
  "coins": [1, 4, 15, 20, 50],
  "target": 23
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [4, 4, 15]

### Change with Lower Elbonia Coins
POST /api/change
Content-Type: application/json

{
  "coins": [1, 5, 10, 21, 25],
  "target": 63
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [21, 21, 21]

### Large target values
POST /api/change
Content-Type: application/json

{
  "coins": [1, 2, 5, 10, 20, 50, 100],
  "target": 999
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [2, 2, 5, 20, 20, 50, 100, 100, 100, 100, 100, 100, 100, 100, 100]

### Possible change without unit coins available
POST /api/change
Content-Type: application/json

{
  "coins": [2, 5, 10, 20, 50],
  "target": 21
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [2, 2, 2, 5, 10]

### Another possible change without unit coins available
POST /api/change
Content-Type: application/json

{
  "coins": [4, 5],
  "target": 27
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [4, 4, 4, 5, 5, 5]

### A greedy approach is not optimal
POST /api/change
Content-Type: application/json

{
  "coins": [1, 10, 11],
  "target": 20
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == [10, 10]

### No coins make 0 change
POST /api/change
Content-Type: application/json

{
  "coins": [1, 5, 10, 21, 25],
  "target": 0
}

?? status == 200
?? header content-type includes json
?? body fewestCoins exists
?? body fewestCoins == []

### Error testing for change smaller than the smallest of coins
POST /api/change
Content-Type: application/json

{
  "coins": [5, 10],
  "target": 3
}

?? status == 400
?? header content-type includes json
?? body error exists
?? body error == can't make target with given coins

### Error if no combination can add up to target
POST /api/change
Content-Type: application/json

{
  "coins": [5, 10],
  "target": 94
}

?? status == 400
?? header content-type includes json
?? body error exists
?? body error == can't make target with given coins

### Cannot find negative change values
POST /api/change
Content-Type: application/json

{
  "coins": [1, 2, 5],
  "target": -5
}

?? status == 400
?? header content-type includes json
?? body error exists
?? body error == Negative change not allowed