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Fixing readonly ops not to modify context when paths dont exist

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This commit is contained in:
Mike Farah 2021-05-16 15:02:31 +10:00
parent 179c44aacc
commit 77edbb9f5c
7 changed files with 45 additions and 7 deletions
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4
pkg/yqlib/operator_assign.go
View File

@ -7,7 +7,7 @@ func assignUpdateOperator(d *dataTreeNavigator, context Context, expressionNode
}
var rhs Context
if !expressionNode.Operation.UpdateAssign {
rhs, err = d.GetMatchingNodes(context, expressionNode.Rhs)
rhs, err = d.GetMatchingNodes(context.ReadOnlyClone(), expressionNode.Rhs)
}
for el := lhs.MatchingNodes.Front(); el != nil; el = el.Next() {
@ -44,7 +44,7 @@ func assignAttributesOperator(d *dataTreeNavigator, context Context, expressionN
for el := lhs.MatchingNodes.Front(); el != nil; el = el.Next() {
candidate := el.Value.(*CandidateNode)
rhs, err := d.GetMatchingNodes(context.SingleChildContext(candidate), expressionNode.Rhs)
rhs, err := d.GetMatchingNodes(context.SingleReadonlyChildContext(candidate), expressionNode.Rhs)
if err != nil {
return Context{}, err

16
pkg/yqlib/operator_assign_test.go
View File

@ -12,6 +12,22 @@ var assignOperatorScenarios = []expressionScenario{
"D0, P[], ()::a:\n b: cat\nx: frog\n",
},
},
{
skipDoc: true,
document: "{}",
expression: `.a |= .b`,
expected: []string{
"D0, P[], (doc)::{a: null}\n",
},
},
{
skipDoc: true,
document: "{}",
expression: `.a = .b`,
expected: []string{
"D0, P[], (doc)::{a: null}\n",
},
},
{
description: "Update node to be the child value",
document: `{a: {b: {g: foof}}}`,

4
pkg/yqlib/operator_style.go
View File

@ -31,7 +31,7 @@ func assignStyleOperator(d *dataTreeNavigator, context Context, expressionNode *
log.Debugf("AssignStyleOperator: %v")
var style yaml.Style
if !expressionNode.Operation.UpdateAssign {
rhs, err := d.GetMatchingNodes(context, expressionNode.Rhs)
rhs, err := d.GetMatchingNodes(context.ReadOnlyClone(), expressionNode.Rhs)
if err != nil {
return Context{}, err
}
@ -54,7 +54,7 @@ func assignStyleOperator(d *dataTreeNavigator, context Context, expressionNode *
candidate := el.Value.(*CandidateNode)
log.Debugf("Setting style of : %v", candidate.GetKey())
if expressionNode.Operation.UpdateAssign {
rhs, err := d.GetMatchingNodes(context.SingleChildContext(candidate), expressionNode.Rhs)
rhs, err := d.GetMatchingNodes(context.SingleReadonlyChildContext(candidate), expressionNode.Rhs)
if err != nil {
return Context{}, err
}

4
pkg/yqlib/operator_tag.go
View File

@ -12,7 +12,7 @@ func assignTagOperator(d *dataTreeNavigator, context Context, expressionNode *Ex
tag := ""
if !expressionNode.Operation.UpdateAssign {
rhs, err := d.GetMatchingNodes(context, expressionNode.Rhs)
rhs, err := d.GetMatchingNodes(context.ReadOnlyClone(), expressionNode.Rhs)
if err != nil {
return Context{}, err
}
@ -32,7 +32,7 @@ func assignTagOperator(d *dataTreeNavigator, context Context, expressionNode *Ex
candidate := el.Value.(*CandidateNode)
log.Debugf("Setting tag of : %v", candidate.GetKey())
if expressionNode.Operation.UpdateAssign {
rhs, err := d.GetMatchingNodes(context.SingleChildContext(candidate), expressionNode.Rhs)
rhs, err := d.GetMatchingNodes(context.SingleReadonlyChildContext(candidate), expressionNode.Rhs)
if err != nil {
return Context{}, err
}

14
pkg/yqlib/operator_union_test.go
View File

@ -5,6 +5,20 @@ import (
)
var unionOperatorScenarios = []expressionScenario{
// {
// skipDoc: true,
// document: "{}",
// expression: `(.a, .b.c) as $x`,
// expected: []string{
// "D0, P[], (doc)::{}\n",
// },
// },
// {
// skipDoc: true,
// document: "{}",
// expression: `(.a, .b.c)`,
// expected: []string{},
// },
{
description: "Combine scalars",
expression: `1, true, "cat"`,

2
pkg/yqlib/operator_variables.go
View File

@ -16,7 +16,7 @@ func getVariableOperator(d *dataTreeNavigator, context Context, expressionNode *
}
func assignVariableOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
lhs, err := d.GetMatchingNodes(context, expressionNode.Lhs)
lhs, err := d.GetMatchingNodes(context.ReadOnlyClone(), expressionNode.Lhs)
if err != nil {
return Context{}, nil
}

8
pkg/yqlib/operator_variables_test.go
View File

@ -5,6 +5,14 @@ import (
)
var variableOperatorScenarios = []expressionScenario{
{
skipDoc: true,
document: `{}`,
expression: `.a.b as $foo`,
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
{
description: "Single value variable",
document: `a: cat`,