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243 lines (170 loc) · 5.96 KB
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package weaklinq
import "testing"
//----------------------------------------------------------------------------//
// Materialization //
//----------------------------------------------------------------------------//
////////////////////////////////////////////////////////////////////////////////
func TestAndAssignToMap(t *testing.T) {
//----------------------------------------------------------------------------//
t.Run("generic", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
{Id: 2, Name: "Test 2"},
}
resultMap := make(map[int]string)
From(testItems).Group("Name").By("Id").AndAssignToMap(&resultMap)
if resultMap[testItems[0].Id] != testItems[0].Name {
t.Errorf("Expected first item but got %v", resultMap[testItems[0].Id])
}
if resultMap[testItems[1].Id] != testItems[1].Name {
t.Errorf("Expected second item but got %v", resultMap[testItems[1].Id])
}
if len(resultMap) != 2 {
t.Errorf("Expected 2 items but got %v", len(resultMap))
}
})
//----------------------------------------------------------------------------//
t.Run("bad result type", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
}
resultMap := make(map[int]string)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).Group("Id").By("Name").AndAssignToMap(&resultMap)
})
//----------------------------------------------------------------------------//
t.Run("bad type", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
}
resultMap := make([]string, 0)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).Group("Id").By("Name").AndAssignToMap(&resultMap)
})
//----------------------------------------------------------------------------//
t.Run("not pointer", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
}
resultMap := make(map[int]string)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).Group("Id").By("Name").AndAssignToMap(resultMap)
})
//----------------------------------------------------------------------------//
t.Run("with lists", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
{Id: 2, Name: "Test 2"},
{Id: 1, Name: "Test 3"},
}
resultMap := make(map[int][]string)
From(testItems).GroupListsOf("Name").By("Id").AndAssignToMap(&resultMap)
if resultMap[testItems[0].Id][0] != testItems[0].Name {
t.Errorf("Expected first item but got %v", resultMap[testItems[0].Id][0])
}
if resultMap[testItems[1].Id][0] != testItems[1].Name {
t.Errorf("Expected second item but got %v", resultMap[testItems[1].Id][0])
}
if resultMap[testItems[2].Id][1] != testItems[2].Name {
t.Errorf("Expected third item but got %v", resultMap[testItems[2].Id][0])
}
if len(resultMap[testItems[0].Id]) != 2 {
t.Errorf("Expected 2 items but got %v", len(resultMap[testItems[0].Id]))
}
if len(resultMap[testItems[1].Id]) != 1 {
t.Errorf("Expected 1 item but got %v", len(resultMap[testItems[1].Id]))
}
if len(resultMap[testItems[2].Id]) != 2 {
t.Errorf("Expected 2 items but got %v", len(resultMap[testItems[2].Id]))
}
})
//----------------------------------------------------------------------------//
t.Run("with lists not slice items", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
{Id: 2, Name: "Test 2"},
{Id: 1, Name: "Test 3"},
}
resultMap := make(map[int]string)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).GroupListsOf("Name").By("Id").AndAssignToMap(&resultMap)
})
//----------------------------------------------------------------------------//
}
////////////////////////////////////////////////////////////////////////////////
func TestAndAssignToSlice(t *testing.T) {
//----------------------------------------------------------------------------//
t.Run("generic", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
{Id: 2, Name: "Test 2"},
}
resultSlice := make([]string, 0)
From(testItems).Get("Name").AndAssignToSlice(&resultSlice)
if resultSlice[0] != testItems[0].Name {
t.Errorf("Expected first item but got %v", resultSlice[0])
}
if resultSlice[1] != testItems[1].Name {
t.Errorf("Expected second item but got %v", resultSlice[1])
}
if len(resultSlice) != 2 {
t.Errorf("Expected 2 items but got %v", len(resultSlice))
}
})
//----------------------------------------------------------------------------//
t.Run("bad result type", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
}
resultSlice := make(map[int]string)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).Get("Name").AndAssignToSlice(&resultSlice)
})
//----------------------------------------------------------------------------//
t.Run("bad type", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
}
resultSlice := make([]int, 0)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).Get("Name").AndAssignToSlice(&resultSlice)
})
//----------------------------------------------------------------------------//
t.Run("not pointer", func(t *testing.T) {
testItems := []testStruct{
{Id: 1, Name: "Test 1"},
}
resultSlice := make([]string, 0)
defer func() {
if err := recover(); err == nil {
t.Errorf("Expected panic but got %v", err)
}
}()
From(testItems).Get("Name").AndAssignToSlice(resultSlice)
})
//----------------------------------------------------------------------------//
}