cosmos-sdk/container/provider_desc_test.go

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feat: implement low-level dependency injection container (#9666) <!-- The default pull request template is for types feat, fix, or refactor. For other templates, add one of the following parameters to the url: - template=docs.md - template=other.md --> ## Description closes #9775 needs #9658 --- ### Author Checklist *All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.* I have... - [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] added `!` to the type prefix if API or client breaking change - [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [ ] provided a link to the relevant issue or specification - [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) - [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) - [ ] added a changelog entry to `CHANGELOG.md` - [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) - [ ] updated the relevant documentation or specification - [ ] reviewed "Files changed" and left comments if necessary - [ ] confirmed all CI checks have passed ### Reviewers Checklist *All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.* I have... - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] confirmed `!` in the type prefix if API or client breaking change - [ ] confirmed all author checklist items have been addressed - [ ] reviewed state machine logic - [ ] reviewed API design and naming - [ ] reviewed documentation is accurate - [ ] reviewed tests and test coverage - [ ] manually tested (if applicable)
2021-10-04 13:36:41 -07:00
package container_test
import (
"reflect"
"testing"
"github.com/cosmos/cosmos-sdk/container"
)
type StructIn struct {
container.In
X int
Y float64 `optional:"true"`
}
type BadOptional struct {
container.In
X int `optional:"foo"`
}
type StructOut struct {
container.Out
X string
Y []byte
}
func TestExtractConstructorInfo(t *testing.T) {
var (
intType = reflect.TypeOf(0)
int16Type = reflect.TypeOf(int16(0))
int32Type = reflect.TypeOf(int32(0))
float32Type = reflect.TypeOf(float32(0.0))
float64Type = reflect.TypeOf(0.0)
stringType = reflect.TypeOf("")
byteTyp = reflect.TypeOf(byte(0))
bytesTyp = reflect.TypeOf([]byte{})
)
tests := []struct {
name string
ctr interface{}
wantIn []container.ProviderInput
wantOut []container.ProviderOutput
wantErr bool
}{
{
"simple args",
func(x int, y float64) (string, []byte) { return "", nil },
[]container.ProviderInput{{Type: intType}, {Type: float64Type}},
[]container.ProviderOutput{{Type: stringType}, {Type: bytesTyp}},
false,
},
{
"simple args with error",
func(x int, y float64) (string, []byte, error) { return "", nil, nil },
[]container.ProviderInput{{Type: intType}, {Type: float64Type}},
[]container.ProviderOutput{{Type: stringType}, {Type: bytesTyp}},
false,
},
{
"struct in and out",
func(_ float32, _ StructIn, _ byte) (int16, StructOut, int32, error) {
return int16(0), StructOut{}, int32(0), nil
},
[]container.ProviderInput{{Type: float32Type}, {Type: intType}, {Type: float64Type, Optional: true}, {Type: byteTyp}},
[]container.ProviderOutput{{Type: int16Type}, {Type: stringType}, {Type: bytesTyp}, {Type: int32Type}},
false,
},
{
"error bad position",
func() (error, int) { return nil, 0 },
nil,
nil,
true,
},
{
"bad optional",
func(_ BadOptional) int { return 0 },
nil,
nil,
true,
},
{
"variadic",
func(...float64) int { return 0 },
nil,
nil,
true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := container.ExtractProviderDescriptor(tt.ctr)
if (err != nil) != tt.wantErr {
t.Errorf("ExtractProviderDescriptor() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got.Inputs, tt.wantIn) {
t.Errorf("ExtractProviderDescriptor() got = %v, want %v", got.Inputs, tt.wantIn)
}
if !reflect.DeepEqual(got.Outputs, tt.wantOut) {
t.Errorf("ExtractProviderDescriptor() got = %v, want %v", got.Outputs, tt.wantOut)
}
})
}
}