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predicate_test.go
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predicate_test.go
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package funk
import (
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestAllPredicates(t *testing.T) {
type args struct {
value interface{}
predicates interface{}
}
tests := []struct {
name string
args args
want bool
}{
{
name: "Sanity string predicates",
args: args{
value: "test",
predicates: []func(string) bool{
func(v string) bool { return strings.Contains(v, "est") },
func(v string) bool { return len(v) < 10 },
func(v string) bool { return len(v) > 2 },
},
},
want: true,
},
{
name: "Sanity int predicates",
args: args{
value: 4,
predicates: []func(int) bool{
func(v int) bool { return v < 5 },
func(v int) bool { return v > 2 },
},
},
want: true,
},
{
name: "Failed predicate",
args: args{
value: "test",
predicates: []func(string) bool{
func(v string) bool { return strings.Contains(v, "est") },
func(v string) bool { return len(v) > 10 },
func(v string) bool { return len(v) > 2 },
},
},
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := AllPredicates(tt.args.value, tt.args.predicates); got != tt.want {
t.Errorf("AllPredicates() = %v, want %v", got, tt.want)
}
})
}
}
func TestAnyPredicates(t *testing.T) {
type args struct {
value interface{}
predicates interface{}
}
tests := []struct {
name string
args args
want bool
}{
{
name: "Sanity string predicates",
args: args{
value: "test",
predicates: []func(string) bool{
func(v string) bool { return strings.Contains(v, "est") },
func(v string) bool { return len(v) > 10 },
func(v string) bool { return len(v) < 2 },
},
},
want: true,
},
{
name: "Sanity int predicates",
args: args{
value: 4,
predicates: []func(int) bool{
func(v int) bool { return v > 5 },
func(v int) bool { return v > 2 },
},
},
want: true,
},
{
name: "All failed predicate",
args: args{
value: "test",
predicates: []func(string) bool{
func(v string) bool { return !strings.Contains(v, "est") },
func(v string) bool { return len(v) > 10 },
func(v string) bool { return len(v) < 2 },
},
},
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := AnyPredicates(tt.args.value, tt.args.predicates); got != tt.want {
t.Errorf("AnyPredicates() = %v, want %v", got, tt.want)
}
})
}
}
func TestPredicatesImplPanics(t *testing.T) {
type args struct {
value interface{}
wantedAnswer bool
predicates interface{}
}
tests := []struct {
name string
args args
}{
{
name: "predicates are not collection",
args: args{
value: nil,
wantedAnswer: false,
predicates: nil,
},
},
{
name: "predicates are collection of strings",
args: args{
value: nil,
wantedAnswer: false,
predicates: []string{"hey"},
},
},
{
name: "predicate has 2 out parameters",
args: args{
value: nil,
wantedAnswer: false,
predicates: []func(string) (bool, error){ func(string) (bool, error){return true, nil}},
},
},
{
name: "predicate has out parameter of type string",
args: args{
value: nil,
wantedAnswer: false,
predicates: []func(string) string{ func(string) string{return ""}},
},
},
{
name: "predicate has 2 in parameters",
args: args{
value: nil,
wantedAnswer: false,
predicates: []func(string, bool) bool{ func(string, bool) bool{return true}},
},
},
{
name: "predicate has 0 in parameters",
args: args{
value: nil,
wantedAnswer: false,
predicates: []func() bool{ func() bool{return true}},
},
},
{
name: "value is not convertible to in parameter",
args: args{
value: 1,
wantedAnswer: false,
predicates: []func(string) bool{ func(string) bool{return true}},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
require.Panics(t, func() {predicatesImpl(tt.args.value, tt.args.wantedAnswer, tt.args.predicates)})
})
}
}