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storage_test.go
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storage_test.go
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package stuber //nolint:testpackage
import (
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
)
type testItem struct {
id uuid.UUID
left, right string
value int
}
func (t testItem) Key() uuid.UUID {
return t.id
}
func (t testItem) Left() string {
return t.left
}
func (t testItem) Right() string {
return t.right
}
func TestLeft(t *testing.T) {
i := newStorage()
id := i.leftIDOrNew("Greeter")
require.Equal(t, uint64(1), id)
id = i.leftIDOrNew("Greeter2")
require.Equal(t, uint64(2), id)
id, err := i.leftID("Greeter2")
require.NoError(t, err)
require.Equal(t, uint64(2), id)
id = i.leftIDOrNew("Greeter2")
require.Equal(t, uint64(2), id)
id, err = i.leftID("Greeter3")
require.ErrorIs(t, ErrLeftNotFound, err)
require.Equal(t, uint64(0), id)
}
func TestRight(t *testing.T) {
i := newStorage()
id := i.rightIDOrNew("SayHello")
require.Equal(t, uint64(1), id)
id = i.rightIDOrNew("SayHello2")
require.Equal(t, uint64(2), id)
id, err := i.rightID("SayHello2")
require.NoError(t, err)
require.Equal(t, uint64(2), id)
id = i.rightIDOrNew("SayHello2")
require.Equal(t, uint64(2), id)
id, err = i.rightID("SayHello3")
require.ErrorIs(t, ErrRightNotFound, err)
require.Equal(t, uint64(0), id)
}
func TestAdd(t *testing.T) {
s := newStorage()
s.upsert(
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello1"},
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello1"},
&testItem{id: uuid.New(), left: "Greeter2", right: "SayHello2"},
&testItem{id: uuid.New(), left: "Greeter3", right: "SayHello2"},
&testItem{id: uuid.New(), left: "Greeter4", right: "SayHello3"},
&testItem{id: uuid.New(), left: "Greeter5", right: "SayHello3"},
)
require.Equal(t, uint64(5), s.leftTotal.Load())
require.Equal(t, uint64(3), s.rightTotal.Load())
require.Len(t, s.items, 5)
require.Len(t, s.itemsByID, 6)
}
func TestUpdate(t *testing.T) {
id := uuid.New()
s := newStorage()
s.upsert(&testItem{id: id, left: "Greeter", right: "SayHello"})
require.Equal(t, uint64(1), s.leftTotal.Load())
require.Equal(t, uint64(1), s.rightTotal.Load())
require.Len(t, s.items, 1)
require.Len(t, s.itemsByID, 1)
v := s.findByID(id)
require.NotNil(t, v)
val, ok := v.(*testItem)
require.True(t, ok)
require.Equal(t, 0, val.value)
s.upsert(&testItem{id: id, left: "Greeter", right: "SayHello", value: 42})
require.Equal(t, uint64(1), s.leftTotal.Load())
require.Equal(t, uint64(1), s.rightTotal.Load())
require.Len(t, s.items, 1)
require.Len(t, s.itemsByID, 1)
v = s.findByID(id)
require.NotNil(t, v)
val, ok = v.(*testItem)
require.True(t, ok)
require.Equal(t, 42, val.value)
}
func TestFindByID(t *testing.T) {
id := uuid.MustParse("00000000-0000-0001-0000-000000000000")
s := newStorage()
require.Nil(t, s.findByID(id))
s.upsert(
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello1"},
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello1"},
&testItem{id: uuid.New(), left: "Greeter2", right: "SayHello2"},
&testItem{id: uuid.New(), left: "Greeter3", right: "SayHello2"},
&testItem{id: uuid.New(), left: "Greeter4", right: "SayHello3"},
&testItem{id: uuid.New(), left: "Greeter5", right: "SayHello3"},
&testItem{id: id, left: "Greeter1", right: "SayHello3"},
)
require.Equal(t, uint64(5), s.leftTotal.Load())
require.Equal(t, uint64(3), s.rightTotal.Load())
require.Len(t, s.items, 6)
require.Len(t, s.itemsByID, 7)
val := s.findByID(id)
require.NotNil(t, val)
require.Equal(t, id, val.Key())
}
func TestFindAll(t *testing.T) {
s := newStorage()
s.upsert(
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello1"},
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello1"},
&testItem{id: uuid.New(), left: "Greeter2", right: "SayHello2"},
&testItem{id: uuid.New(), left: "Greeter3", right: "SayHello2"},
&testItem{id: uuid.New(), left: "Greeter4", right: "SayHello3"},
&testItem{id: uuid.New(), left: "Greeter5", right: "SayHello3"},
&testItem{id: uuid.New(), left: "Greeter1", right: "SayHello3"},
)
require.Equal(t, uint64(5), s.leftTotal.Load())
require.Equal(t, uint64(3), s.rightTotal.Load())
require.Len(t, s.items, 6)
require.Len(t, s.itemsByID, 7)
g1s1, err := s.findAll("Greeter1", "SayHello1")
require.NoError(t, err)
require.Len(t, g1s1, 2)
g2s2, err := s.findAll("Greeter2", "SayHello2")
require.NoError(t, err)
require.Len(t, g2s2, 1)
g3s2, err := s.findAll("Greeter3", "SayHello2")
require.NoError(t, err)
require.Len(t, g3s2, 1)
_, err = s.findAll("Greeter3", "SayHello3")
require.ErrorIs(t, ErrRightNotFound, err)
}
func TestDelete(t *testing.T) {
id1, id2, id3 := uuid.New(), uuid.New(), uuid.New()
s := newStorage()
s.upsert(
&testItem{id: id1, left: "Greeter1", right: "SayHello1"},
&testItem{id: id2, left: "Greeter2", right: "SayHello2"},
&testItem{id: id3, left: "Greeter3", right: "SayHello3"},
)
require.Equal(t, 0, s.del())
require.Equal(t, uint64(3), s.leftTotal.Load())
require.Equal(t, uint64(3), s.rightTotal.Load())
require.Len(t, s.items, 3)
require.Len(t, s.itemsByID, 3)
require.Equal(t, 1, s.del(id1))
require.Equal(t, uint64(3), s.leftTotal.Load())
require.Equal(t, uint64(3), s.rightTotal.Load())
require.Len(t, s.items, 3)
require.Len(t, s.itemsByID, 2)
require.Equal(t, 2, s.del(id2, id3))
require.Equal(t, uint64(3), s.leftTotal.Load())
require.Equal(t, uint64(3), s.rightTotal.Load())
require.Len(t, s.items, 3)
require.Empty(t, s.itemsByID)
}
func TestPos(t *testing.T) {
tests := []struct {
left uint64
right uint64
guid uuid.UUID
}{
{0, 0, uuid.MustParse("00000000-0000-0000-0000-000000000000")},
{0, 1, uuid.MustParse("00000000-0000-0000-0000-000000000001")},
{0, 16, uuid.MustParse("00000000-0000-0000-0000-000000000010")},
{0, 17, uuid.MustParse("00000000-0000-0000-0000-000000000011")},
{1, 0, uuid.MustParse("00000000-0000-0001-0000-000000000000")},
{16, 0, uuid.MustParse("00000000-0000-0010-0000-000000000000")},
{17, 0, uuid.MustParse("00000000-0000-0011-0000-000000000000")},
{0, 18446744073709551615, uuid.MustParse("00000000-0000-0000-ffff-ffffffffffff")},
{18446744073709551615, 0, uuid.MustParse("ffffffff-ffff-ffff-0000-000000000000")},
{18446744073709551615, 18446744073709551615, uuid.MustParse("ffffffff-ffff-ffff-ffff-ffffffffffff")},
}
for _, test := range tests {
require.Equal(t, test.guid.String(), newStorage().pos(test.left, test.right).String())
}
}