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map_test.go
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map_test.go
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package gofn
import (
"testing"
"github.com/stretchr/testify/assert"
)
func Test_MapEqual(t *testing.T) {
// Empty maps
assert.True(t, MapEqual(map[int]bool{}, map[int]bool{}))
// One is nil, one is empty
assert.True(t, MapEqual(nil, map[int]int{}))
assert.False(t, MapEqual(map[int]bool{}, map[int]bool{1: false}))
assert.True(t, MapEqual(map[int]int{1: 1, 2: 2}, map[int]int{2: 2, 1: 1}))
assert.False(t, MapEqual(map[int]int{1: 1, 2: 2}, map[int]int{2: 2, 1: 1, 3: 3}))
assert.False(t, MapEqual(map[int]int{1: 1, 2: 2}, map[int]int{2: 2, 1: 11}))
type st struct {
Int int
Str string
}
assert.True(t, MapEqual(map[int]st{1: {1, "1"}, 2: {2, "2"}},
map[int]st{2: {2, "2"}, 1: {1, "1"}}))
assert.False(t, MapEqual(map[int]st{1: {1, "1"}, 2: {2, "2"}},
map[int]st{2: {2, "2"}, 1: {1, "1"}, 3: {3, "3"}}))
}
// nolint: gocritic
func Test_MapEqualPred(t *testing.T) {
// Empty maps
assert.True(t, MapEqualPred(map[int]bool{}, map[int]bool{},
func(v1, v2 bool) bool { return v1 == v2 }))
// One is nil, one is empty
assert.True(t, MapEqualPred(nil, map[int]int{},
func(v1, v2 int) bool { return v1 == v2 }))
assert.False(t, MapEqualPred(map[int]bool{}, map[int]bool{1: false},
func(v1, v2 bool) bool { return v1 == v2 }))
assert.True(t, MapEqualPred(map[int]int{1: 1, 2: 2}, map[int]int{2: 2, 1: 1},
func(v1, v2 int) bool { return v1 == v2 }))
assert.False(t, MapEqualPred(map[int]int{1: 1, 2: 2}, map[int]int{2: 2, 1: 1, 3: 3},
func(v1, v2 int) bool { return v1 == v2 }))
assert.False(t, MapEqualPred(map[int]int{1: 1, 2: 2}, map[int]int{2: 2, 1: 11},
func(v1, v2 int) bool { return v1 == v2 }))
type st struct {
Int int
Str string
}
assert.True(t, MapEqualPred(map[int]st{1: {1, "1"}, 2: {2, "2"}}, map[int]st{2: {2, "2"}, 1: {1, "1"}},
func(v1, v2 st) bool { return v1 == v2 }))
assert.False(t, MapEqualPred(map[int]st{1: {1, "1"}, 2: {2, "2"}}, map[int]st{2: {2, "2"}, 1: {1, "1"}, 3: {3, "3"}},
func(v1, v2 st) bool { return v1 == v2 }))
// Value is also a map
assert.True(t, MapEqualPred(map[int]map[int]int{1: {1: 1}, 2: {2: 2}},
map[int]map[int]int{1: {1: 1}, 2: {2: 2}},
func(v1, v2 map[int]int) bool { return MapEqual(v1, v2) }))
assert.False(t, MapEqualPred(map[int]map[int]int{1: {1: 1}, 2: {2: 2}},
map[int]map[int]int{1: {1: 1}, 2: {2: 2}, 3: {3: 3}},
func(v1, v2 map[int]int) bool { return MapEqual(v1, v2) }))
}
func Test_MapContainKeys(t *testing.T) {
assert.False(t, MapContainKeys(map[bool]int{}, false, true))
assert.True(t, MapContainKeys(map[int]int{1: 1, 2: 2, 3: 3}, 1, 2))
assert.True(t, MapContainKeys(map[int]int{1: 1, 2: 2, 3: 3}, 1, 2, 3))
assert.False(t, MapContainKeys(map[int]int{1: 1, 2: 2, 3: 3}, 1, 2, 3, 4))
}
func Test_MapContainValues(t *testing.T) {
assert.False(t, MapContainValues(map[int]bool{}, false, true))
assert.True(t, MapContainValues(map[int]int{1: 1, 2: 2, 3: 3}, 1, 2))
assert.True(t, MapContainValues(map[int]int{1: 1, 2: 2, 3: 3}, 1, 2, 3))
assert.False(t, MapContainValues(map[int]int{1: 1, 2: 2, 3: 3}, 1, 2, 3, 4))
type st struct {
Int int
Str string
}
assert.True(t, MapContainValues(map[int]st{1: {1, "1"}, 2: {2, "2"}}, st{1, "1"}, st{2, "2"}))
assert.False(t, MapContainValues(map[int]st{1: {1, "1"}, 2: {2, "2"}}, st{1, "1"}, st{2, "2"}, st{}))
}
func Test_MapKeys(t *testing.T) {
assert.Equal(t, []int{}, MapKeys[int, bool](nil))
assert.Equal(t, []int{}, MapKeys(map[int]bool{}))
assert.Equal(t, []int{1}, MapKeys(map[int]int{1: 11}))
// NOTE: order of result slice is non-deterministic
assert.True(t, ContentEqual([]int{1, 2}, MapKeys(map[int]int{1: 11, 2: 22})))
}
func Test_MapValues(t *testing.T) {
assert.Equal(t, []bool{}, MapValues[int, bool](nil))
assert.Equal(t, []int{}, MapValues(map[int]int{}))
assert.Equal(t, []int{11}, MapValues(map[int]int{1: 11}))
// NOTE: order of result slice is non-deterministic
assert.True(t, ContentEqual([]int{11, 22}, MapValues(map[int]int{1: 11, 2: 22})))
}
func Test_MapEntries(t *testing.T) {
assert.Equal(t, []*Tuple2[int, bool]{}, MapEntries[int, bool](nil))
assert.Equal(t, []*Tuple2[int, int]{}, MapEntries(map[int]int{}))
assert.Equal(t, []*Tuple2[int, int]{{1, 11}}, MapEntries(map[int]int{1: 11}))
assert.True(t, ContentEqualPtr([]*Tuple2[int, int]{{1, 11}, {2, 22}}, MapEntries(map[int]int{1: 11, 2: 22})))
}
func Test_MapUpdate(t *testing.T) {
// Update with a nil map
assert.Equal(t, map[int]bool{}, MapUpdate(nil, map[int]bool{}))
assert.Equal(t, map[int]bool{1: false, 2: true}, MapUpdate(map[int]bool{1: false, 2: true}, nil))
// Update with an empty map
assert.Equal(t, map[int]bool{1: false, 2: true}, MapUpdate(map[int]bool{1: false, 2: true}, map[int]bool{}))
// Merge 2 maps
assert.Equal(t, map[int]string{1: "one", 2: "two", 3: "three"},
MapUpdate(map[int]string{2: "two"}, map[int]string{1: "one", 3: "three"}))
// Merge 2 maps with override
assert.Equal(t, map[int]string{1: "one", 2: "TWO", 3: "three"},
MapUpdate(map[int]string{2: "two"}, map[int]string{1: "one", 2: "TWO", 3: "three"}))
}
func Test_MapUpdateExistingOnly(t *testing.T) {
// Update with a nil map
assert.Equal(t, map[int]bool{}, MapUpdateExistingOnly(nil, map[int]bool{}))
assert.Equal(t, map[int]bool{}, MapUpdateExistingOnly(map[int]bool{}, nil))
assert.Equal(t, map[int]int{}, MapUpdateExistingOnly(map[int]int{}, map[int]int{1: 1}))
assert.Equal(t, map[int]int{1: 1}, MapUpdateExistingOnly(map[int]int{1: 1}, map[int]int{}))
assert.Equal(t, map[int]int{1: 1, 2: 2}, MapUpdateExistingOnly(map[int]int{1: 1, 2: 2}, map[int]int{3: 3, 4: 4}))
assert.Equal(t, map[int]int{1: 1, 2: 22}, MapUpdateExistingOnly(map[int]int{1: 1, 2: 2}, map[int]int{3: 3, 2: 22}))
}
func Test_MapUpdateNewOnly(t *testing.T) {
// Update with a nil map
assert.Equal(t, map[int]bool{}, MapUpdateNewOnly(nil, map[int]bool{}))
assert.Equal(t, map[int]bool{}, MapUpdateNewOnly(map[int]bool{}, nil))
assert.Equal(t, map[int]int{}, MapUpdateNewOnly(map[int]int{}, map[int]int{}))
assert.Equal(t, map[int]int{1: 1}, MapUpdateNewOnly(map[int]int{1: 1}, map[int]int{1: 11}))
assert.Equal(t, map[int]int{1: 1, 2: 2}, MapUpdateNewOnly(map[int]int{1: 1, 2: 2}, map[int]int{1: 11, 2: 22}))
assert.Equal(t, map[int]int{1: 1, 2: 2, 3: 3}, MapUpdateNewOnly(map[int]int{1: 1, 2: 2}, map[int]int{3: 3, 2: 22}))
}
func Test_MapGet(t *testing.T) {
assert.Equal(t, true, MapGet[int, bool](nil, 1, true))
assert.Equal(t, 11, MapGet(map[int]int{}, 1, 11))
assert.Equal(t, 11, MapGet(map[int]int{1: 11}, 1, 100))
assert.Equal(t, 100, MapGet(map[int]int{1: 11, 2: 22}, 3, 100))
}
func Test_MapPop(t *testing.T) {
assert.Equal(t, true, MapPop[int, bool](nil, 1, true))
assert.Equal(t, 11, MapPop(map[int]int{}, 1, 11))
m1 := map[int]int{1: 11}
assert.Equal(t, 11, MapPop(m1, 1, 100))
assert.Equal(t, map[int]int{}, m1)
m2 := map[int]int{1: 11, 2: 22}
assert.Equal(t, 100, MapPop(m2, 3, 100))
assert.Equal(t, map[int]int{1: 11, 2: 22}, m2)
}
func Test_MapSetDefault(t *testing.T) {
assert.Equal(t, true, MapSetDefault[int, bool](nil, 1, true))
assert.Equal(t, 11, MapSetDefault(map[int]int{}, 1, 11))
m1 := map[int]int{1: 11}
assert.Equal(t, 11, MapSetDefault(m1, 1, 100))
assert.Equal(t, map[int]int{1: 11}, m1)
m2 := map[int]int{1: 11}
assert.Equal(t, 22, MapSetDefault(m2, 2, 22))
assert.Equal(t, map[int]int{1: 11, 2: 22}, m2)
}
func Test_MapUnionKeys(t *testing.T) {
assert.Equal(t, []int{}, MapUnionKeys[int, int](nil, nil))
assert.Equal(t, []int{}, MapUnionKeys(nil, map[int]int{}))
assert.Equal(t, []int{1}, MapUnionKeys(map[int]int{1: 11}, nil))
assert.True(t, ContentEqual([]int{1, 2, 3, 4},
MapUnionKeys(map[int]int{1: 11, 2: 22}, map[int]int{3: 33, 4: 44})))
assert.True(t, ContentEqual([]string{"1", "2", "3", "4"},
MapUnionKeys(map[string]int{"1": 11, "2": 22}, map[string]int{"3": 33, "4": 44})))
}
func Test_MapIntersectionKeys(t *testing.T) {
assert.Equal(t, []int{}, MapIntersectionKeys[int, int](nil, nil))
assert.Equal(t, []int{}, MapIntersectionKeys(nil, map[int]int{}))
assert.Equal(t, []int{}, MapIntersectionKeys(map[int]int{1: 11}, nil))
assert.True(t, ContentEqual([]int{},
MapIntersectionKeys(map[int]int{1: 11, 2: 22}, map[int]int{3: 33, 4: 44})))
assert.True(t, ContentEqual([]string{"2"},
MapIntersectionKeys(map[string]int{"1": 11, "2": 22}, map[string]int{"3": 33, "2": 22})))
}
func Test_MapDifferenceKeys(t *testing.T) {
l, r := MapDifferenceKeys[int, int](nil, nil)
assert.Equal(t, []int{}, l)
assert.Equal(t, []int{}, r)
l, r = MapDifferenceKeys(nil, map[int]int{})
assert.Equal(t, []int{}, l)
assert.Equal(t, []int{}, r)
l, r = MapDifferenceKeys(map[int]int{1: 11}, nil)
assert.Equal(t, []int{1}, l)
assert.Equal(t, []int{}, r)
l, r = MapDifferenceKeys(map[int]int{1: 11, 2: 22}, map[int]int{3: 33, 4: 44})
assert.True(t, ContentEqual([]int{1, 2}, l))
assert.True(t, ContentEqual([]int{3, 4}, r))
l2, r2 := MapDifferenceKeys(map[string]int{"1": 11, "2": 22}, map[string]int{"3": 33, "2": 22})
assert.True(t, ContentEqual([]string{"1"}, l2))
assert.True(t, ContentEqual([]string{"3"}, r2))
}
func Test_MapCopy(t *testing.T) {
m := MapCopy[int, int](nil)
assert.Equal(t, map[int]int{}, m)
m = MapCopy[int, int](map[int]int{}, 1, 2, 3)
assert.Equal(t, map[int]int{}, m)
m = MapCopy(map[int]int{1: 11, 2: 22})
assert.True(t, MapEqual(map[int]int{1: 11, 2: 22}, m))
m = MapCopy(map[int]int{1: 11, 2: 22}, 2, 3)
assert.True(t, MapEqual(map[int]int{2: 22}, m))
}
func Test_MapCopyExcludeKeys(t *testing.T) {
m := MapCopyExcludeKeys[int, int](nil)
assert.Equal(t, map[int]int{}, m)
m = MapCopyExcludeKeys[int, int](map[int]int{}, 1, 2, 3)
assert.Equal(t, map[int]int{}, m)
m = MapCopyExcludeKeys(map[int]int{1: 11, 2: 22})
assert.True(t, MapEqual(map[int]int{1: 11, 2: 22}, m))
m = MapCopyExcludeKeys(map[int]int{1: 11, 2: 22}, 2, 3)
assert.True(t, MapEqual(map[int]int{1: 11}, m))
}