yq/pkg/yqlib/data_navigator_test.go
2019-12-06 13:58:56 +11:00

398 lines
9.3 KiB
Go

package yqlib
import (
"fmt"
"sort"
"testing"
"github.com/mikefarah/yq/v2/test"
logging "gopkg.in/op/go-logging.v1"
)
func TestDataNavigator(t *testing.T) {
var log = logging.MustGetLogger("yq")
subject := NewDataNavigator(log)
t.Run("TestReadMap_simple", func(t *testing.T) {
var data = test.ParseData(`
---
b:
c: 2
`)
got, _ := subject.ReadChildValue(data, []string{"b", "c"})
test.AssertResult(t, 2, got)
})
t.Run("TestReadMap_numberKey", func(t *testing.T) {
var data = test.ParseData(`
---
200: things
`)
got, _ := subject.ReadChildValue(data, []string{"200"})
test.AssertResult(t, "things", got)
})
t.Run("TestReadMap_splat", func(t *testing.T) {
var data = test.ParseData(`
---
mapSplat:
item1: things
item2: whatever
otherThing: cat
`)
res, _ := subject.ReadChildValue(data, []string{"mapSplat", "*"})
test.AssertResult(t, "[things whatever cat]", fmt.Sprintf("%v", res))
})
t.Run("TestReadMap_prefixSplat", func(t *testing.T) {
var data = test.ParseData(`
---
mapSplat:
item1: things
item2: whatever
otherThing: cat
`)
res, _ := subject.ReadChildValue(data, []string{"mapSplat", "item*"})
test.AssertResult(t, "[things whatever]", fmt.Sprintf("%v", res))
})
t.Run("TestReadMap_deep_splat", func(t *testing.T) {
var data = test.ParseData(`
---
mapSplatDeep:
item1:
cats: bananas
item2:
cats: apples
`)
res, _ := subject.ReadChildValue(data, []string{"mapSplatDeep", "*", "cats"})
result := res.([]interface{})
var actual = []string{result[0].(string), result[1].(string)}
sort.Strings(actual)
test.AssertResult(t, "[apples bananas]", fmt.Sprintf("%v", actual))
})
t.Run("TestReadMap_key_doesnt_exist", func(t *testing.T) {
var data = test.ParseData(`
---
b:
c: 2
`)
got, _ := subject.ReadChildValue(data, []string{"b", "x", "f", "c"})
test.AssertResult(t, nil, got)
})
t.Run("TestReadMap_recurse_against_string", func(t *testing.T) {
var data = test.ParseData(`
---
a: cat
`)
got, _ := subject.ReadChildValue(data, []string{"a", "b"})
test.AssertResult(t, nil, got)
})
t.Run("TestReadMap_with_array", func(t *testing.T) {
var data = test.ParseData(`
---
b:
d:
- 3
- 4
`)
got, _ := subject.ReadChildValue(data, []string{"b", "d", "1"})
test.AssertResult(t, 4, got)
})
t.Run("TestReadMap_with_array_and_bad_index", func(t *testing.T) {
var data = test.ParseData(`
---
b:
d:
- 3
- 4
`)
_, err := subject.ReadChildValue(data, []string{"b", "d", "x"})
if err == nil {
t.Fatal("Expected error due to invalid path")
}
expectedOutput := `error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
test.AssertResult(t, expectedOutput, err.Error())
})
t.Run("TestReadMap_with_mapsplat_array_and_bad_index", func(t *testing.T) {
var data = test.ParseData(`
---
b:
d:
e:
- 3
- 4
f:
- 1
- 2
`)
_, err := subject.ReadChildValue(data, []string{"b", "d", "*", "x"})
if err == nil {
t.Fatal("Expected error due to invalid path")
}
expectedOutput := `error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
test.AssertResult(t, expectedOutput, err.Error())
})
t.Run("TestReadMap_with_arraysplat_map_array_and_bad_index", func(t *testing.T) {
var data = test.ParseData(`
---
b:
d:
- names:
- fred
- smith
- names:
- sam
- bo
`)
_, err := subject.ReadChildValue(data, []string{"b", "d", "*", "names", "x"})
if err == nil {
t.Fatal("Expected error due to invalid path")
}
expectedOutput := `error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
test.AssertResult(t, expectedOutput, err.Error())
})
t.Run("TestReadMap_with_array_out_of_bounds", func(t *testing.T) {
var data = test.ParseData(`
---
b:
d:
- 3
- 4
`)
got, _ := subject.ReadChildValue(data, []string{"b", "d", "3"})
test.AssertResult(t, nil, got)
})
t.Run("TestReadMap_with_array_out_of_bounds_by_1", func(t *testing.T) {
var data = test.ParseData(`
---
b:
d:
- 3
- 4
`)
got, _ := subject.ReadChildValue(data, []string{"b", "d", "2"})
test.AssertResult(t, nil, got)
})
t.Run("TestReadMap_with_array_splat", func(t *testing.T) {
var data = test.ParseData(`
e:
-
name: Fred
thing: cat
-
name: Sam
thing: dog
`)
got, _ := subject.ReadChildValue(data, []string{"e", "*", "name"})
test.AssertResult(t, "[Fred Sam]", fmt.Sprintf("%v", got))
})
t.Run("TestWrite_really_simple", func(t *testing.T) {
var data = test.ParseData(`
b: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b"}, "4")
test.AssertResult(t, "[{b 4}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_simple", func(t *testing.T) {
var data = test.ParseData(`
b:
c: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b", "c"}, "4")
test.AssertResult(t, "[{b [{c 4}]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_new", func(t *testing.T) {
var data = test.ParseData(`
b:
c: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b", "d"}, "4")
test.AssertResult(t, "[{b [{c 2} {d 4}]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_new_deep", func(t *testing.T) {
var data = test.ParseData(`
b:
c: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b", "d", "f"}, "4")
test.AssertResult(t, "[{b [{c 2} {d [{f 4}]}]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_array", func(t *testing.T) {
var data = test.ParseData(`
b:
- aa
`)
updated := subject.UpdatedChildValue(data, []string{"b", "0"}, "bb")
test.AssertResult(t, "[{b [bb]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_new_array", func(t *testing.T) {
var data = test.ParseData(`
b:
c: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b", "0"}, "4")
test.AssertResult(t, "[{b [{c 2} {0 4}]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_new_array_deep", func(t *testing.T) {
var data = test.ParseData(`
a: apple
`)
updated := subject.UpdatedChildValue(data, []string{"b", "+", "c"}, "4")
test.AssertResult(t, "[{a apple} {b [[{c 4}]]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_new_map_array_deep", func(t *testing.T) {
var data = test.ParseData(`
b:
c: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b", "d", "+"}, "4")
test.AssertResult(t, "[{b [{c 2} {d [4]}]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_add_to_array", func(t *testing.T) {
var data = test.ParseData(`
b:
- aa
`)
updated := subject.UpdatedChildValue(data, []string{"b", "1"}, "bb")
test.AssertResult(t, "[{b [aa bb]}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWrite_with_no_tail", func(t *testing.T) {
var data = test.ParseData(`
b:
c: 2
`)
updated := subject.UpdatedChildValue(data, []string{"b"}, "4")
test.AssertResult(t, "[{b 4}]", fmt.Sprintf("%v", updated))
})
t.Run("TestWriteMap_no_paths", func(t *testing.T) {
var data = test.ParseData(`
b: 5
`)
var new = test.ParseData(`
c: 4
`)
result := subject.UpdatedChildValue(data, []string{}, new)
test.AssertResult(t, fmt.Sprintf("%v", new), fmt.Sprintf("%v", result))
})
t.Run("TestWriteArray_no_paths", func(t *testing.T) {
var data = make([]interface{}, 1)
data[0] = "mike"
var new = test.ParseData(`
c: 4
`)
result := subject.UpdatedChildValue(data, []string{}, new)
test.AssertResult(t, fmt.Sprintf("%v", new), fmt.Sprintf("%v", result))
})
t.Run("TestDelete_MapItem", func(t *testing.T) {
var data = test.ParseData(`
a: 123
b: 456
`)
var expected = test.ParseData(`
b: 456
`)
result, _ := subject.DeleteChildValue(data, []string{"a"})
test.AssertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
})
// Ensure deleting an index into a string does nothing
t.Run("TestDelete_index_to_string", func(t *testing.T) {
var data = test.ParseData(`
a: mystring
`)
result, _ := subject.DeleteChildValue(data, []string{"a", "0"})
test.AssertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
})
t.Run("TestDelete_list_index", func(t *testing.T) {
var data = test.ParseData(`
a: [3, 4]
`)
var expected = test.ParseData(`
a: [3]
`)
result, _ := subject.DeleteChildValue(data, []string{"a", "1"})
test.AssertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
})
t.Run("TestDelete_list_index_beyond_bounds", func(t *testing.T) {
var data = test.ParseData(`
a: [3, 4]
`)
result, _ := subject.DeleteChildValue(data, []string{"a", "5"})
test.AssertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
})
t.Run("TestDelete_list_index_out_of_bounds_by_1", func(t *testing.T) {
var data = test.ParseData(`
a: [3, 4]
`)
result, _ := subject.DeleteChildValue(data, []string{"a", "2"})
test.AssertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
})
t.Run("TestDelete_no_paths", func(t *testing.T) {
var data = test.ParseData(`
a: [3, 4]
b:
- name: test
`)
result, _ := subject.DeleteChildValue(data, []string{})
test.AssertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
})
t.Run("TestDelete_array_map_item", func(t *testing.T) {
var data = test.ParseData(`
b:
- name: fred
value: blah
- name: john
value: test
`)
var expected = test.ParseData(`
b:
- value: blah
- name: john
value: test
`)
result, _ := subject.DeleteChildValue(data, []string{"b", "0", "name"})
test.AssertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
})
}