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|
package bexpr
import (
"testing"
"github.com/stretchr/testify/require"
)
type testStruct struct {
X int
Y string
}
var testSlice []testStruct = []testStruct{
testStruct{
X: 1,
Y: "a",
},
testStruct{
X: 1,
Y: "b",
},
testStruct{
X: 2,
Y: "a",
},
testStruct{
X: 2,
Y: "b",
},
testStruct{
X: 3,
Y: "c",
},
}
var testArray [5]testStruct = [5]testStruct{
testStruct{
X: 1,
Y: "a",
},
testStruct{
X: 1,
Y: "b",
},
testStruct{
X: 2,
Y: "a",
},
testStruct{
X: 2,
Y: "b",
},
testStruct{
X: 3,
Y: "c",
},
}
var testMap map[string]testStruct = map[string]testStruct{
"one": testStruct{
X: 1,
Y: "a",
},
"two": testStruct{
X: 1,
Y: "b",
},
"three": testStruct{
X: 2,
Y: "a",
},
"four": testStruct{
X: 2,
Y: "b",
},
"five": testStruct{
X: 3,
Y: "c",
},
}
func TestFilter(t *testing.T) {
type testCase struct {
expression string
input interface{}
expected interface{}
}
cases := map[string]testCase{
"Slice X==1": testCase{
"X==1",
testSlice,
[]testStruct{
testStruct{X: 1, Y: "a"},
testStruct{X: 1, Y: "b"},
},
},
"Slice Y==`c`": testCase{
"Y==`c`",
testSlice,
[]testStruct{
testStruct{X: 3, Y: "c"},
},
},
"Array X==1": testCase{
"X==1",
testArray,
[]testStruct{
testStruct{X: 1, Y: "a"},
testStruct{X: 1, Y: "b"},
},
},
"Array Y==`c`": testCase{
"Y==`c`",
testArray,
[]testStruct{
testStruct{X: 3, Y: "c"},
},
},
"Map X==1": testCase{
"X==1",
testMap,
map[string]testStruct{
"one": testStruct{X: 1, Y: "a"},
"two": testStruct{X: 1, Y: "b"},
},
},
"Map Y==`c`": testCase{
"Y==`c`",
testMap,
map[string]testStruct{
"five": testStruct{X: 3, Y: "c"},
},
},
}
t.Parallel()
for name, tcase := range cases {
tcase := tcase
name := name
t.Run(name, func(t *testing.T) {
t.Parallel()
flt, err := CreateFilter(tcase.expression, nil, tcase.input)
require.NoError(t, err)
require.NotNil(t, flt)
results, err := flt.Execute(tcase.input)
require.NoError(t, err)
require.Equal(t, tcase.expected, results)
})
}
}
func BenchmarkFilter(b *testing.B) {
type benchCase struct {
expression string
input interface{}
}
// The expressions used here are purposefully simple\
// This is meant to bencharmk the filter execution timing
// more than the boolean expression evaluation. That includes
// handling the top level container and generating a new one.
// The BenchmarkEvaluate function handles benchmarking most
// of the underlying evaluation.
cases := map[string]benchCase{
"Slice": benchCase{
"X==1",
testSlice,
},
"Array": benchCase{
"X==1",
testArray,
},
"Map": benchCase{
"X==1",
testMap,
},
}
for name, bcase := range cases {
bcase := bcase
name := name
b.Run(name, func(b *testing.B) {
flt, err := CreateFilter(bcase.expression, nil, bcase.input)
require.NoError(b, err)
require.NotNil(b, flt)
b.ResetTimer()
for n := 0; n < b.N; n++ {
_, err := flt.Execute(bcase.input)
require.NoError(b, err)
}
})
}
}
|
