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slice_filter_test.go
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package gofn
import (
"testing"
"github.com/stretchr/testify/assert"
)
func Test_Filter(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, Filter[int]([]int(nil), func(v int) bool { return true }))
assert.Equal(t, []float32{}, Filter([]float32{}, func(v float32) bool { return true }))
assert.Equal(t, []int{-4, 0},
Filter([]int{2, -4, 6, 0}, func(v int) bool { return v <= 0 }))
assert.Equal(t, []float32{2, 6, 0.0001},
Filter([]float32{2, -4, 6, 0.0001}, func(v float32) bool { return v > 0 }))
assert.Equal(t, []string{"one", "two"},
Filter([]string{"one", "", "two"}, func(v string) bool { return len(v) > 0 }))
}
func Test_FilterPtr(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterPtr[int]([]int(nil), func(v *int) bool { return true }))
assert.Equal(t, []float32{}, FilterPtr([]float32{}, func(v *float32) bool { return true }))
assert.Equal(t, []int{-4, 0},
FilterPtr([]int{2, -4, 6, 0}, func(v *int) bool { return *v <= 0 }))
assert.Equal(t, []float32{2, 6, 0.0001},
FilterPtr([]float32{2, -4, 6, 0.0001}, func(v *float32) bool { return *v > 0 }))
assert.Equal(t, []string{"one", "two"},
FilterPtr([]string{"one", "", "two"}, func(v *string) bool { return len(*v) > 0 }))
}
func Test_FilterLT(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterLT[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterLT([]int{}, 0))
assert.Equal(t, []int{-10, -3}, FilterLT([]int{0, -10, 1, -3, 0, 7}, 0))
assert.Equal(t, []string{"Ab"}, FilterLT([]string{"Ab", "cd", "a"}, "a"))
}
func Test_FilterLTE(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterLTE[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterLTE([]int{}, 0))
assert.Equal(t, []int{0, -10, -3, 0}, FilterLTE([]int{0, -10, 1, -3, 0, 7}, 0))
assert.Equal(t, []string{"Ab", "a"}, FilterLTE([]string{"Ab", "cd", "a"}, "a"))
}
func Test_FilterGT(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterGT[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterGT([]int{}, 0))
assert.Equal(t, []int{1, 7}, FilterGT([]int{0, -10, 1, -3, 0, 7}, 0))
assert.Equal(t, []string{"cd"}, FilterGT([]string{"Ab", "cd", "a"}, "a"))
}
func Test_FilterGTE(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterGTE[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterGTE([]int{}, 0))
assert.Equal(t, []int{0, 1, 0, 7}, FilterGTE([]int{0, -10, 1, -3, 0, 7}, 0))
assert.Equal(t, []string{"cd", "a"}, FilterGTE([]string{"Ab", "cd", "a"}, "a"))
}
func Test_FilterNE(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterNE[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterNE([]int{}, 0))
assert.Equal(t, []int{-10, 1, -3, 7}, FilterNE([]int{0, -10, 1, -3, 0, 7}, 0))
assert.Equal(t, []string{"Ab", "cd"}, FilterNE([]string{"Ab", "cd", "a"}, "a"))
}
func Test_FilterIN(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterIN[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterIN([]int{}, 0))
assert.Equal(t, []int{1, 7}, FilterIN([]int{0, -10, 1, -3, 0, 7}, 1, 3, 7))
assert.Equal(t, []string{"a"}, FilterIN([]string{"Ab", "cd", "a"}, "a", "b"))
}
func Test_FilterNIN(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []int{}, FilterNIN[int]([]int(nil), 0))
assert.Equal(t, []int{}, FilterNIN([]int{}, 0))
assert.Equal(t, []int{-10, 1, -3}, FilterNIN([]int{0, -10, 1, -3, 0, 7}, 3, 7, 0))
assert.Equal(t, []string{"Ab"}, FilterNIN([]string{"Ab", "cd", "a"}, "a", "b", "cd"))
}
func Test_FilterLIKE(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []string{}, FilterLIKE[string]([]string(nil), ""))
assert.Equal(t, []string{}, FilterLIKE([]string{}, ""))
assert.Equal(t, []string{},
FilterLIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "ac"))
assert.Equal(t, []string{"*abc*", "abc*", "*abc"},
FilterLIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "abc"))
assert.Equal(t, []string{"*Abc*"},
FilterLIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "Abc"))
type X string
assert.Equal(t, []X{},
FilterLIKE([]X{"*Abc*", "*abc*", "abc*", "*abc"}, "ac"))
assert.Equal(t, []X{"*abc*", "abc*", "*abc"},
FilterLIKE([]X{"*Abc*", "*abc*", "abc*", "*abc"}, "abc"))
assert.Equal(t, []X{"*Abc*"},
FilterLIKE([]X{"*Abc*", "*abc*", "abc*", "*abc"}, "Abc"))
}
func Test_FilterILIKE(t *testing.T) {
// Nil/Empty slices
assert.Equal(t, []string{}, FilterILIKE[string]([]string(nil), ""))
assert.Equal(t, []string{}, FilterILIKE([]string{}, ""))
assert.Equal(t, []string{},
FilterILIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "aC"))
assert.Equal(t, []string{"*Abc*", "*abc*", "abc*", "*abc"},
FilterILIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "abc"))
assert.Equal(t, []string{"*Abc*", "*abc*", "abc*", "*abc"},
FilterILIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "AbC"))
type X string
assert.Equal(t, []X{},
FilterILIKE([]X{"*Abc*", "*abc*", "abc*", "*abc"}, "aC"))
assert.Equal(t, []X{"*Abc*", "*abc*", "abc*", "*abc"},
FilterILIKE([]X{"*Abc*", "*abc*", "abc*", "*abc"}, "abc"))
assert.Equal(t, []X{"*Abc*", "*abc*", "abc*", "*abc"},
FilterILIKE([]X{"*Abc*", "*abc*", "abc*", "*abc"}, "AbC"))
}