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invoke_test.go
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invoke_test.go
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package depinject_test
import (
"testing"
"github.com/stretchr/testify/require"
"cosmossdk.io/depinject"
)
type InvokeSuite struct {
i int
sp *string
}
func (s *InvokeSuite) IntStringPointerInvoker(i int, sp *string) {
s.i = i
s.sp = sp
}
func ProvideLenModuleKey(key depinject.ModuleKey) int {
return len(key.Name())
}
func IntProvider5() int { return 5 }
func StringPtrProviderFoo() *string {
x := "foo"
return &x
}
func TestInvokerNoResolvableDependencies(t *testing.T) {
t.Parallel()
invokerSuite := &InvokeSuite{}
configs := depinject.Configs(
depinject.Supply(invokerSuite),
depinject.Invoke((*InvokeSuite).IntStringPointerInvoker),
)
err := depinject.Inject(configs)
require.NoError(t, err)
// invokers get called even if their dependencies can't be resolved
// values are still zeroed
require.Equal(t, 0, invokerSuite.i)
require.Equal(t, (*string)(nil), invokerSuite.sp)
}
func TestInvokerProvidedDependencies(t *testing.T) {
t.Parallel()
invokerSuite := &InvokeSuite{}
configs := depinject.Configs(
depinject.Supply(invokerSuite),
depinject.Provide(IntProvider5, StringPtrProviderFoo),
depinject.Invoke((*InvokeSuite).IntStringPointerInvoker),
)
err := depinject.Inject(configs)
require.NoError(t, err)
require.Equal(t, 5, invokerSuite.i)
require.Equal(t, "foo", *invokerSuite.sp)
}
func TestInvokerScopedDependencies(t *testing.T) {
t.Parallel()
moduleName := "test"
invokerSuite := &InvokeSuite{}
configs := depinject.Configs(
depinject.Supply(invokerSuite),
depinject.Provide(ProvideLenModuleKey),
depinject.InvokeInModule(moduleName, (*InvokeSuite).IntStringPointerInvoker),
)
err := depinject.Inject(configs)
require.NoError(t, err)
require.Equal(t, len(moduleName), invokerSuite.i)
require.Equal(t, (*string)(nil), invokerSuite.sp)
}