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and_test.go
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package comver
import (
"errors"
"math/rand/v2"
"reflect"
"slices"
"testing"
)
func TestAnd(t *testing.T) {
t.Parallel()
var nilC CeilingFloorConstrainter
tests := []struct {
name string
es []Endless
want CeilingFloorConstrainter
wantErr error
}{
{
name: "empty",
es: []Endless{},
want: nilC,
wantErr: errNoEndlessGiven,
},
{
name: "single_lessThan",
es: []Endless{NewLessThan(MustParse("1"))},
want: NewLessThan(MustParse("1")),
wantErr: nil,
},
{
name: "single_lessThanOrEqualTo",
es: []Endless{NewLessThanOrEqualTo(MustParse("2"))},
want: NewLessThanOrEqualTo(MustParse("2")),
wantErr: nil,
},
{
name: "single_greaterThan",
es: []Endless{NewGreaterThan(MustParse("3"))},
want: NewGreaterThan(MustParse("3")),
wantErr: nil,
},
{
name: "single_greaterThanOrEqualTo",
es: []Endless{NewGreaterThanOrEqualTo(MustParse("4"))},
want: NewGreaterThanOrEqualTo(MustParse("4")),
wantErr: nil,
},
{
name: "single_match_all",
es: []Endless{NewMatchAll()},
want: NewMatchAll(),
wantErr: nil,
},
{
name: "multiple_match_alls",
es: []Endless{NewMatchAll(), NewMatchAll()},
want: NewMatchAll(),
wantErr: nil,
},
{
name: "multiple_ceiling_inclusive",
es: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
},
want: NewLessThan(MustParse("1")),
wantErr: nil,
},
{
name: "multiple_ceiling_non_inclusive",
es: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
},
want: NewLessThan(MustParse("1")),
wantErr: nil,
},
{
name: "multiple_floors_inclusive",
es: []Endless{
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
},
want: NewGreaterThanOrEqualTo(MustParse("4")),
wantErr: nil,
},
{
name: "multiple_floors_non_inclusive",
es: []Endless{
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
},
want: NewGreaterThan(MustParse("4")),
wantErr: nil,
},
{
name: "impossible_interval",
es: []Endless{
NewLessThan(MustParse("1")),
NewGreaterThan(MustParse("4")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "impossible_interval_match_all",
es: []Endless{
NewLessThan(MustParse("1")),
NewGreaterThan(MustParse("4")),
NewMatchAll(),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "multiple_match_alls_multiple_endlesses",
es: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
NewMatchAll(),
NewMatchAll(),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewLessThan(MustParse("1")),
NewGreaterThan(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "exact_version_ceiling_inclusive",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewGreaterThan(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "exact_version_floor_inclusive",
es: []Endless{
NewLessThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "exact_version_ceiling_inclusive_floor_inclusive",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
},
want: NewExactConstraint(MustParse("1")),
wantErr: nil,
},
{
name: "exact_version_match_all",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewMatchAll(),
},
want: NewExactConstraint(MustParse("1")),
wantErr: nil,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("1")),
NewLessThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewMatchAll(),
NewMatchAll(),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewLessThan(MustParse("1")),
NewLessThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewMatchAll(),
NewMatchAll(),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "exact_version_multiple",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewMatchAll(),
NewMatchAll(),
},
want: NewExactConstraint(MustParse("1")),
wantErr: nil,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("1")),
NewLessThan(MustParse("1")),
NewMatchAll(),
NewMatchAll(),
NewGreaterThan(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewMatchAll(),
NewMatchAll(),
NewLessThan(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("1")),
NewLessThan(MustParse("1")),
NewMatchAll(),
NewMatchAll(),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewGreaterThan(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "impossible_interval_same_version",
es: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("1")),
NewLessThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewGreaterThan(MustParse("1")),
NewGreaterThan(MustParse("1")),
},
want: nilC,
wantErr: errImpossibleInterval,
},
{
name: "simple",
es: []Endless{
NewLessThan(MustParse("4")),
NewGreaterThan(MustParse("1")),
},
want: interval{
upper: NewLessThan(MustParse("4")),
lower: NewGreaterThan(MustParse("1")),
},
wantErr: nil,
},
{
name: "compact_ceiling",
es: []Endless{
NewLessThanOrEqualTo(MustParse("4")),
NewLessThan(MustParse("4")),
NewLessThanOrEqualTo(MustParse("3")),
NewLessThan(MustParse("3")),
NewGreaterThan(MustParse("1")),
},
want: interval{
upper: NewLessThan(MustParse("3")),
lower: NewGreaterThan(MustParse("1")),
},
wantErr: nil,
},
{
name: "compact_ceiling_inclusive",
es: []Endless{
NewLessThanOrEqualTo(MustParse("4")),
NewLessThan(MustParse("4")),
NewLessThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("1")),
},
want: interval{
upper: NewLessThanOrEqualTo(MustParse("3")),
lower: NewGreaterThan(MustParse("1")),
},
wantErr: nil,
},
{
name: "compact_floor",
es: []Endless{
NewLessThan(MustParse("4")),
NewGreaterThan(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("2")),
NewGreaterThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
},
want: interval{
upper: NewLessThan(MustParse("4")),
lower: NewGreaterThan(MustParse("2")),
},
wantErr: nil,
},
{
name: "compact_floor_non_inclusive",
es: []Endless{
NewLessThan(MustParse("4")),
NewGreaterThanOrEqualTo(MustParse("2")),
NewGreaterThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
},
want: interval{
upper: NewLessThan(MustParse("4")),
lower: NewGreaterThanOrEqualTo(MustParse("2")),
},
wantErr: nil,
},
{
name: "compact_ceiling_floor",
es: []Endless{
NewLessThanOrEqualTo(MustParse("4")),
NewLessThan(MustParse("4")),
NewLessThanOrEqualTo(MustParse("3")),
NewLessThan(MustParse("3")),
NewGreaterThan(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("2")),
NewGreaterThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
},
want: interval{
upper: NewLessThan(MustParse("3")),
lower: NewGreaterThan(MustParse("2")),
},
wantErr: nil,
},
{
name: "compact_ceiling_floor_match_all",
es: []Endless{
NewLessThanOrEqualTo(MustParse("4")),
NewLessThan(MustParse("4")),
NewLessThanOrEqualTo(MustParse("3")),
NewLessThan(MustParse("3")),
NewGreaterThan(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("2")),
NewGreaterThan(MustParse("1")),
NewGreaterThanOrEqualTo(MustParse("1")),
NewMatchAll(),
},
want: interval{
upper: NewLessThan(MustParse("3")),
lower: NewGreaterThan(MustParse("2")),
},
wantErr: nil,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
rand.Shuffle(len(tt.es), func(i, j int) {
tt.es[i], tt.es[j] = tt.es[j], tt.es[i]
})
got, err := And(tt.es...)
if !errors.Is(err, tt.wantErr) {
t.Fatalf("And() error = %#v, wantErr %#v", err, tt.wantErr)
}
if err != nil {
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("And() got = %v, want %v", got, tt.want)
}
})
}
t.Run("no_arg", func(t *testing.T) {
t.Parallel()
wantErr := errNoEndlessGiven
_, err := And()
if !errors.Is(err, wantErr) {
t.Errorf("And() error = %#v, wantErr %#v", err, wantErr)
}
})
}
func Test_minBoundedCeiling(t *testing.T) {
t.Parallel()
type testCase struct {
name string
cs []Endless
want Endless
wantOk bool
}
tests := []testCase{
{
name: "empty",
cs: []Endless{},
want: NewMatchAll(),
wantOk: false,
},
{
name: "nil",
cs: nil,
want: NewMatchAll(),
wantOk: false,
},
{
name: "single_lessThan",
cs: []Endless{NewLessThan(MustParse("1"))},
want: NewLessThan(MustParse("1")),
wantOk: true,
},
{
name: "single_lessThanOrEqualTo",
cs: []Endless{NewLessThanOrEqualTo(MustParse("2"))},
want: NewLessThanOrEqualTo(MustParse("2")),
wantOk: true,
},
{
name: "single_greaterThan",
cs: []Endless{NewGreaterThan(MustParse("3"))},
want: NewMatchAll(),
wantOk: false,
},
{
name: "single_greaterThanOrEqualTo",
cs: []Endless{NewGreaterThanOrEqualTo(MustParse("4"))},
want: NewMatchAll(),
wantOk: false,
},
{
name: "single_match_all",
cs: []Endless{NewMatchAll()},
want: NewMatchAll(),
wantOk: false,
},
{
name: "multiple_no_ceiling",
cs: []Endless{
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
},
want: NewMatchAll(),
wantOk: false,
},
{
name: "multiple_no_ceiling_match_all",
cs: []Endless{
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
NewMatchAll(),
},
want: NewMatchAll(),
wantOk: false,
},
{
name: "multiple_ceilings_non_inclusive",
cs: []Endless{
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
},
want: NewLessThanOrEqualTo(MustParse("1")),
wantOk: true,
},
{
name: "multiple_ceilings_inclusive",
cs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
},
want: NewLessThan(MustParse("1")),
wantOk: true,
},
{
name: "multiple_ceilings_match_all",
cs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
NewMatchAll(),
},
want: NewLessThan(MustParse("1")),
wantOk: true,
},
{
name: "single_ceiling",
cs: []Endless{
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
},
want: NewLessThanOrEqualTo(MustParse("2")),
wantOk: true,
},
{
name: "single_ceiling_match_all",
cs: []Endless{
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
NewMatchAll(),
},
want: NewLessThanOrEqualTo(MustParse("2")),
wantOk: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
rand.Shuffle(len(tt.cs), func(i, j int) {
tt.cs[i], tt.cs[j] = tt.cs[j], tt.cs[i]
})
original := slices.Clone(tt.cs)
got, gotOk := minBoundedCeiling(tt.cs...)
if gotOk != tt.wantOk {
t.Fatalf("minBoundedCeiling() gotOk = %v, want %v", gotOk, tt.wantOk)
}
if !tt.wantOk {
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("minBoundedCeiling() got = %v, want %v", got, tt.want)
}
if !reflect.DeepEqual(tt.cs, original) {
t.Errorf(
"minBoundedCeiling() changed the original slice got = %v, want %v",
tt.cs,
original,
)
}
})
}
}
func Test_maxBoundedFloor(t *testing.T) {
t.Parallel()
type testCase struct {
name string
fs []Endless
want Endless
wantOk bool
}
tests := []testCase{
{
name: "empty",
fs: []Endless{},
want: NewMatchAll(),
wantOk: false,
},
{
name: "nil",
fs: nil,
want: NewMatchAll(),
wantOk: false,
},
{
name: "single_lessThan",
fs: []Endless{NewLessThan(MustParse("1"))},
want: NewMatchAll(),
wantOk: false,
},
{
name: "single_lessThanOrEqualTo",
fs: []Endless{NewLessThanOrEqualTo(MustParse("2"))},
want: NewMatchAll(),
wantOk: false,
},
{
name: "single_greaterThan",
fs: []Endless{NewGreaterThan(MustParse("3"))},
want: NewGreaterThan(MustParse("3")),
wantOk: true,
},
{
name: "single_greaterThanOrEqualTo",
fs: []Endless{NewGreaterThanOrEqualTo(MustParse("4"))},
want: NewGreaterThanOrEqualTo(MustParse("4")),
wantOk: true,
},
{
name: "single_match_all",
fs: []Endless{NewMatchAll()},
want: NewMatchAll(),
wantOk: false,
},
{
name: "multiple_no_floor",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
},
want: NewMatchAll(),
wantOk: false,
},
{
name: "multiple_no_floor_match_all",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewMatchAll(),
},
want: NewMatchAll(),
wantOk: false,
},
{
name: "multiple_floors_non_inclusive",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThan(MustParse("4")),
},
want: NewGreaterThan(MustParse("4")),
wantOk: true,
},
{
name: "multiple_floors_inclusive",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
},
want: NewGreaterThan(MustParse("4")),
wantOk: true,
},
{
name: "multiple_floors_match_all",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThanOrEqualTo(MustParse("3")),
NewGreaterThan(MustParse("3")),
NewGreaterThanOrEqualTo(MustParse("4")),
NewGreaterThan(MustParse("4")),
NewMatchAll(),
},
want: NewGreaterThan(MustParse("4")),
wantOk: true,
},
{
name: "single_floor",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThan(MustParse("3")),
},
want: NewGreaterThan(MustParse("3")),
wantOk: true,
},
{
name: "single_floor_match_all",
fs: []Endless{
NewLessThan(MustParse("1")),
NewLessThanOrEqualTo(MustParse("1")),
NewLessThan(MustParse("2")),
NewLessThanOrEqualTo(MustParse("2")),
NewGreaterThan(MustParse("3")),
NewMatchAll(),
},
want: NewGreaterThan(MustParse("3")),
wantOk: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
rand.Shuffle(len(tt.fs), func(i, j int) {
tt.fs[i], tt.fs[j] = tt.fs[j], tt.fs[i]
})
original := slices.Clone(tt.fs)
got, gotOk := maxBoundedFloor(tt.fs...)
if gotOk != tt.wantOk {
t.Fatalf("maxBoundedFloor() gotOk = %v, want %v", gotOk, tt.wantOk)
}
if !tt.wantOk {
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("maxBoundedFloor() got = %v, want %v", got, tt.want)
}
if !reflect.DeepEqual(tt.fs, original) {
t.Errorf(
"maxBoundedFloor() changed the original slice got = %v, want %v",
tt.fs,
original,
)
}
})
}
}