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budget_service_test.go
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budget_service_test.go
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package YileTDD
import (
"testing"
"time"
)
type FakeRepo struct {}
func (f FakeRepo) GetAll() []Budget {
return []Budget{
{
yearMonth: "202212",
amount: 310,
},
{
yearMonth: "202211",
amount: 30,
},
{
yearMonth: "202210",
amount: 3100,
},
{
yearMonth: "202209",
amount: 0,
},
}
}
func GivenFakeTime(date string) time.Time {
t, _ := time.Parse("2006-01-02", date)
return t
}
func TestBudgetService_Query(t *testing.T) {
type fields struct {
br IBudgetRepo
}
type args struct {
start time.Time
end time.Time
}
var tests = []struct {
name string
fields fields
args args
want float64
}{
{
name: "同日",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-12-01"),
end: GivenFakeTime("2022-12-01"),
},
want: 10,
},
{
name: "跨月",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-10-31"),
end: GivenFakeTime("2022-12-03"),
},
want: 160,
},
{
name: "單年",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-01-01"),
end: GivenFakeTime("2022-12-31"),
},
want: 3440,
},
{
name: "起訖相反",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-05-03"),
end: GivenFakeTime("2022-05-01"),
},
want: 0,
},
{
name: "沒資料",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-05-01"),
end: GivenFakeTime("2022-05-03"),
},
want: 0,
},
{
name: "跨月比例",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-11-30"),
end: GivenFakeTime("2022-12-03"),
},
want: 31,
},
{
name: "預算0",
fields: fields{br: FakeRepo{}},
args: args{
start: GivenFakeTime("2022-09-01"),
end: GivenFakeTime("2022-09-30"),
},
want: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
bs := BudgetService{
br: tt.fields.br,
}
if got := bs.Query(tt.args.start, tt.args.end); got != tt.want {
t.Errorf("Query() = %v, want %v", got, tt.want)
}
})
}
}