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lexorank_test.go
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/
lexorank_test.go
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package lexorank
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestLexoRankBetween(t *testing.T) {
minNext, _ := MinLexoRank.Next()
maxPrev, _ := MaxLexoRank.Prev()
tests := []struct {
name string
left string
right string
want string
}{
{
name: "Min <-> Max",
left: MinLexoRank.String(),
right: MaxLexoRank.String(),
want: "0|hzzzzz:",
},
{
name: "Min <-> Next",
left: MinLexoRank.String(),
right: minNext.String(),
want: "0|0i0000:",
},
{
name: "Max <-> GetPrev",
left: MaxLexoRank.String(),
right: maxPrev.String(),
want: "0|yzzzzz:",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
left, _ := LexoRankParse(tt.left)
right, _ := LexoRankParse(tt.right)
got, _ := left.Between(right)
assert.Equalf(t, tt.want, got.String(), "Between(%v)", right)
})
}
}
func TestLexoRankParse(t *testing.T) {
tests := []struct {
name string
value string
want *LexoRank
}{
{
name: "0|hzzzzz:",
value: "0|hzzzzz:",
want: &LexoRank{
value: "0|hzzzzz:",
bucket: LexoRankBucket0,
decimal: &LexoDecimal{
mag: &LexoInteger{
sys: LexoRankSystem,
sign: 1,
mag: []byte{35, 35, 35, 35, 35, 17},
},
scale: 0,
},
},
},
{
name: "0|i00000:",
value: "0|i00000:",
want: &LexoRank{
value: "0|i00000:",
bucket: LexoRankBucket0,
decimal: &LexoDecimal{
mag: &LexoInteger{
sys: LexoRankSystem,
sign: 1,
mag: []byte{0, 0, 0, 0, 0, 18},
},
scale: 0,
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, _ := LexoRankParse(tt.value)
assert.Equalf(t, tt.want, got, "LexoRankParse(%v)", tt.value)
})
}
}
func TestLexoRank_Between(t *testing.T) {
tests := []struct {
name string
left string
right string
want string
}{
{
name: "integer",
left: "0|hzzzzz:",
right: "0|i0000f:",
want: "0|i00007:",
},
{
name: "decimal",
left: "0|i00001:",
right: "0|i00002:",
want: "0|i00001:i",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
left, _ := LexoRankParse(tt.left)
right, _ := LexoRankParse(tt.right)
got, _ := left.Between(right)
assert.Equalf(t, tt.want, got.String(), "Between(%v)", tt.right)
})
}
}
func TestLexoRank_Next(t *testing.T) {
tests := []struct {
name string
value string
want string
}{
{
name: "0|hzzzzz:",
value: "0|hzzzzz:",
want: "0|i00007:",
},
{
name: "0|i00007:",
value: "0|i00007:",
want: "0|i0000f:",
},
{
name: "0|i0000f:",
value: "0|i0000f:",
want: "0|i0000n:",
},
{
name: "0|i0000n:",
value: "0|i0000n:",
want: "0|i0000v:",
},
{
name: "0|i0000v:",
value: "0|i0000v:",
want: "0|i00013:",
},
{
name: "0|i00013:",
value: "0|i00013:",
want: "0|i0001b:",
},
{
name: "0|i0001b:",
value: "0|i0001b:",
want: "0|i0001j:",
},
{
name: "0|i0001j:",
value: "0|i0001j:",
want: "0|i0001r:",
},
{
name: "0|i0001r:",
value: "0|i0001r:",
want: "0|i0001z:",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
i, _ := LexoRankParse(tt.value)
got, _ := i.Next()
assert.Equalf(t, tt.want, got.String(), "Next()")
})
}
}