(t *testing.T)
| 16 | ) |
| 17 | |
| 18 | func TestNestedOverrides(t *testing.T) { |
| 19 | assert := assert.New(t) |
| 20 | var v *Viper |
| 21 | |
| 22 | // Case 0: value overridden by a value |
| 23 | overrideDefault(assert, "tom", 10, "tom", 20) // "tom" is first given 10 as default value, then overridden by 20 |
| 24 | override(assert, "tom", 10, "tom", 20) // "tom" is first given value 10, then overridden by 20 |
| 25 | overrideDefault(assert, "tom.age", 10, "tom.age", 20) |
| 26 | override(assert, "tom.age", 10, "tom.age", 20) |
| 27 | overrideDefault(assert, "sawyer.tom.age", 10, "sawyer.tom.age", 20) |
| 28 | override(assert, "sawyer.tom.age", 10, "sawyer.tom.age", 20) |
| 29 | |
| 30 | // Case 1: key:value overridden by a value |
| 31 | v = overrideDefault(assert, "tom.age", 10, "tom", "boy") // "tom.age" is first given 10 as default value, then "tom" is overridden by "boy" |
| 32 | assert.Nil(v.Get("tom.age")) // "tom.age" should not exist anymore |
| 33 | v = override(assert, "tom.age", 10, "tom", "boy") |
| 34 | assert.Nil(v.Get("tom.age")) |
| 35 | |
| 36 | // Case 2: value overridden by a key:value |
| 37 | overrideDefault(assert, "tom", "boy", "tom.age", 10) // "tom" is first given "boy" as default value, then "tom" is overridden by map{"age":10} |
| 38 | override(assert, "tom.age", 10, "tom", "boy") |
| 39 | |
| 40 | // Case 3: key:value overridden by a key:value |
| 41 | v = overrideDefault(assert, "tom.size", 4, "tom.age", 10) |
| 42 | assert.Equal(4, v.Get("tom.size")) // value should still be reachable |
| 43 | v = override(assert, "tom.size", 4, "tom.age", 10) |
| 44 | assert.Equal(4, v.Get("tom.size")) |
| 45 | deepCheckValue(assert, v, overrideLayer, []string{"tom", "size"}, 4) |
| 46 | |
| 47 | // Case 4: key:value overridden by a map |
| 48 | v = overrideDefault(assert, "tom.size", 4, "tom", map[string]any{"age": 10}) // "tom.size" is first given "4" as default value, then "tom" is overridden by map{"age":10} |
| 49 | assert.Equal(4, v.Get("tom.size")) // "tom.size" should still be reachable |
| 50 | assert.Equal(10, v.Get("tom.age")) // new value should be there |
| 51 | deepCheckValue(assert, v, overrideLayer, []string{"tom", "age"}, 10) // new value should be there |
| 52 | v = override(assert, "tom.size", 4, "tom", map[string]any{"age": 10}) |
| 53 | assert.Nil(v.Get("tom.size")) |
| 54 | assert.Equal(10, v.Get("tom.age")) |
| 55 | deepCheckValue(assert, v, overrideLayer, []string{"tom", "age"}, 10) |
| 56 | |
| 57 | // Case 5: array overridden by a value |
| 58 | overrideDefault(assert, "tom", []int{10, 20}, "tom", 30) |
| 59 | override(assert, "tom", []int{10, 20}, "tom", 30) |
| 60 | overrideDefault(assert, "tom.age", []int{10, 20}, "tom.age", 30) |
| 61 | override(assert, "tom.age", []int{10, 20}, "tom.age", 30) |
| 62 | |
| 63 | // Case 6: array overridden by an array |
| 64 | overrideDefault(assert, "tom", []int{10, 20}, "tom", []int{30, 40}) |
| 65 | override(assert, "tom", []int{10, 20}, "tom", []int{30, 40}) |
| 66 | overrideDefault(assert, "tom.age", []int{10, 20}, "tom.age", []int{30, 40}) |
| 67 | v = override(assert, "tom.age", []int{10, 20}, "tom.age", []int{30, 40}) |
| 68 | // explicit array merge: |
| 69 | s, ok := v.Get("tom.age").([]int) |
| 70 | if assert.True(ok, "tom[\"age\"] is not a slice") { |
| 71 | v.Set("tom.age", append(s, []int{50, 60}...)) |
| 72 | assert.Equal([]int{30, 40, 50, 60}, v.Get("tom.age")) |
| 73 | deepCheckValue(assert, v, overrideLayer, []string{"tom", "age"}, []int{30, 40, 50, 60}) |
| 74 | } |
| 75 | } |
nothing calls this directly
no test coverage detected