github.com/koko1123/flow-go-1@v0.29.6/model/flow/incorporated_result_test.go (about)

     1  package flow_test
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/assert"
     7  
     8  	"github.com/koko1123/flow-go-1/model/flow"
     9  	"github.com/koko1123/flow-go-1/utils/unittest"
    10  )
    11  
    12  // TestIncorporatedResultGroupBy tests the GroupBy method:
    13  // * grouping should preserve order and multiplicity of elements
    14  // * group for unknown identifier should be empty
    15  func TestIncorporatedResultGroupBy(t *testing.T) {
    16  
    17  	ir1 := flow.NewIncorporatedResult(unittest.IdentifierFixture(), unittest.ExecutionResultFixture())
    18  	ir2 := flow.NewIncorporatedResult(unittest.IdentifierFixture(), unittest.ExecutionResultFixture())
    19  	ir3 := flow.NewIncorporatedResult(unittest.IdentifierFixture(), unittest.ExecutionResultFixture())
    20  
    21  	idA := unittest.IdentifierFixture()
    22  	idB := unittest.IdentifierFixture()
    23  	grouperFunc := func(ir *flow.IncorporatedResult) flow.Identifier {
    24  		switch ir.ID() {
    25  		case ir1.ID():
    26  			return idA
    27  		case ir2.ID():
    28  			return idB
    29  		case ir3.ID():
    30  			return idA
    31  		default:
    32  			panic("unexpected IncorporatedResult")
    33  		}
    34  	}
    35  
    36  	groups := flow.IncorporatedResultList{ir1, ir2, ir3, ir1}.GroupBy(grouperFunc)
    37  	assert.Equal(t, 2, groups.NumberGroups())
    38  	assert.Equal(t, flow.IncorporatedResultList{ir1, ir3, ir1}, groups.GetGroup(idA))
    39  	assert.Equal(t, flow.IncorporatedResultList{ir2}, groups.GetGroup(idB))
    40  
    41  	unknown := groups.GetGroup(unittest.IdentifierFixture())
    42  	assert.Equal(t, 0, unknown.Size())
    43  }