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|
package exprhelpers
import (
"log"
"testing"
"github.com/stretchr/testify/assert"
)
func TestJsonExtract(t *testing.T) {
if err := Init(nil); err != nil {
log.Fatal(err)
}
err := FileInit(TestFolder, "test_data_re.txt", "regex")
if err != nil {
log.Fatal(err)
}
tests := []struct {
name string
jsonBlob string
targetField string
expectResult string
}{
{
name: "basic json extract",
jsonBlob: `{"test" : "1234"}`,
targetField: "test",
expectResult: "1234",
},
{
name: "basic json extract with non existing field",
jsonBlob: `{"test" : "1234"}`,
targetField: "non_existing_field",
expectResult: "",
},
{
name: "extract subfield",
jsonBlob: `{"test" : {"a": "b"}}`,
targetField: "test.a",
expectResult: "b",
},
}
for _, test := range tests {
result := JsonExtract(test.jsonBlob, test.targetField)
isOk := assert.Equal(t, test.expectResult, result)
if !isOk {
t.Fatalf("test '%s' failed", test.name)
}
log.Printf("test '%s' : OK", test.name)
}
}
func TestJsonExtractUnescape(t *testing.T) {
if err := Init(nil); err != nil {
log.Fatal(err)
}
err := FileInit(TestFolder, "test_data_re.txt", "regex")
if err != nil {
log.Fatal(err)
}
tests := []struct {
name string
jsonBlob string
targetField string
expectResult string
}{
{
name: "basic json extract",
jsonBlob: `{"log" : "\"GET /JBNwtQ6i.blt HTTP/1.1\" 200 13 \"-\" \"Craftbot\""}`,
targetField: "log",
expectResult: "\"GET /JBNwtQ6i.blt HTTP/1.1\" 200 13 \"-\" \"Craftbot\"",
},
{
name: "basic json extract with non existing field",
jsonBlob: `{"test" : "1234"}`,
targetField: "non_existing_field",
expectResult: "",
},
}
for _, test := range tests {
result := JsonExtractUnescape(test.jsonBlob, test.targetField)
isOk := assert.Equal(t, test.expectResult, result)
if !isOk {
t.Fatalf("test '%s' failed", test.name)
}
log.Printf("test '%s' : OK", test.name)
}
}
func TestJsonExtractSlice(t *testing.T) {
if err := Init(nil); err != nil {
log.Fatal(err)
}
err := FileInit(TestFolder, "test_data_re.txt", "regex")
if err != nil {
log.Fatal(err)
}
tests := []struct {
name string
jsonBlob string
targetField string
expectResult []interface{}
}{
{
name: "try to extract a string as a slice",
jsonBlob: `{"test" : "1234"}`,
targetField: "test",
expectResult: nil,
},
{
name: "basic json slice extract",
jsonBlob: `{"test" : ["1234"]}`,
targetField: "test",
expectResult: []interface{}{"1234"},
},
{
name: "extract with complex expression",
jsonBlob: `{"test": {"foo": [{"a":"b"}]}}`,
targetField: "test.foo",
expectResult: []interface{}{map[string]interface{}{"a": "b"}},
},
{
name: "extract non-existing key",
jsonBlob: `{"test: "11234"}`,
targetField: "foo",
expectResult: nil,
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
result := JsonExtractSlice(test.jsonBlob, test.targetField)
assert.Equal(t, test.expectResult, result)
})
}
}
func TestJsonExtractObject(t *testing.T) {
if err := Init(nil); err != nil {
log.Fatal(err)
}
err := FileInit(TestFolder, "test_data_re.txt", "regex")
if err != nil {
log.Fatal(err)
}
tests := []struct {
name string
jsonBlob string
targetField string
expectResult map[string]interface{}
}{
{
name: "try to extract a string as an object",
jsonBlob: `{"test" : "1234"}`,
targetField: "test",
expectResult: nil,
},
{
name: "basic json object extract",
jsonBlob: `{"test" : {"1234": {"foo": "bar"}}}`,
targetField: "test",
expectResult: map[string]interface{}{"1234": map[string]interface{}{"foo": "bar"}},
},
{
name: "extract with complex expression",
jsonBlob: `{"test": {"foo": [{"a":"b"}]}}`,
targetField: "test.foo[0]",
expectResult: map[string]interface{}{"a": "b"},
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
result := JsonExtractObject(test.jsonBlob, test.targetField)
assert.Equal(t, test.expectResult, result)
})
}
}
func TestToJson(t *testing.T) {
tests := []struct {
name string
obj interface{}
expectResult string
}{
{
name: "convert int",
obj: 42,
expectResult: "42",
},
{
name: "convert slice",
obj: []string{"foo", "bar"},
expectResult: `["foo","bar"]`,
},
{
name: "convert map",
obj: map[string]string{"foo": "bar"},
expectResult: `{"foo":"bar"}`,
},
{
name: "convert struct",
obj: struct{ Foo string }{"bar"},
expectResult: `{"Foo":"bar"}`,
},
{
name: "convert complex struct",
obj: struct {
Foo string
Bar struct {
Baz string
}
Bla []string
}{
Foo: "bar",
Bar: struct {
Baz string
}{
Baz: "baz",
},
Bla: []string{"foo", "bar"},
},
expectResult: `{"Foo":"bar","Bar":{"Baz":"baz"},"Bla":["foo","bar"]}`,
},
{
name: "convert invalid type",
obj: func() {},
expectResult: "",
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
result := ToJson(test.obj)
assert.Equal(t, test.expectResult, result)
})
}
}
|
