Fixing readonly ops not to modify context when paths dont exist

This commit is contained in:
Mike Farah 2021-05-16 14:36:13 +10:00
parent bc70c1fb16
commit 179c44aacc
10 changed files with 78 additions and 6 deletions

View File

@ -39,7 +39,7 @@ func toNodes(candidate *CandidateNode) []*yaml.Node {
func addOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("Add operator")
return crossFunction(d, context, expressionNode, add, false)
return crossFunction(d, context.ReadOnlyClone(), expressionNode, add, false)
}
func add(d *dataTreeNavigator, context Context, lhs *CandidateNode, rhs *CandidateNode) (*CandidateNode, error) {

View File

@ -14,6 +14,22 @@ var addOperatorScenarios = []expressionScenario{
"D0, P[1 a], (!!int)::3\n",
},
},
{
skipDoc: true,
document: `{}`,
expression: "(.a + .b) as $x",
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
{
skipDoc: true,
document: `a: 0`,
expression: ".a += .b.c",
expected: []string{
"D0, P[], (doc)::a: 0\n",
},
},
{
description: "Concatenate and assign arrays",
document: `{a: {val: thing, b: [cat,dog]}}`,

View File

@ -2,7 +2,7 @@ package yqlib
func alternativeOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("-- alternative")
return crossFunction(d, context, expressionNode, alternativeFunc, true)
return crossFunction(d, context.ReadOnlyClone(), expressionNode, alternativeFunc, true)
}
func alternativeFunc(d *dataTreeNavigator, context Context, lhs *CandidateNode, rhs *CandidateNode) (*CandidateNode, error) {

View File

@ -5,6 +5,14 @@ import (
)
var alternativeOperatorScenarios = []expressionScenario{
{
skipDoc: true,
expression: `(.b // "hello") as $x`,
document: `a: bridge`,
expected: []string{
"D0, P[], (doc)::a: bridge\n",
},
},
{
description: "LHS is defined",
expression: `.a // "hello"`,

View File

@ -4,7 +4,7 @@ import "gopkg.in/yaml.v3"
func equalsOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("-- equalsOperation")
return crossFunction(d, context, expressionNode, isEquals(false), true)
return crossFunction(d, context.ReadOnlyClone(), expressionNode, isEquals(false), true)
}
func isEquals(flip bool) func(d *dataTreeNavigator, context Context, lhs *CandidateNode, rhs *CandidateNode) (*CandidateNode, error) {
@ -50,5 +50,5 @@ func isEquals(flip bool) func(d *dataTreeNavigator, context Context, lhs *Candid
func notEqualsOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("-- notEqualsOperator")
return crossFunction(d, context, expressionNode, isEquals(true), true)
return crossFunction(d, context.ReadOnlyClone(), expressionNode, isEquals(true), true)
}

View File

@ -14,6 +14,38 @@ var equalsOperatorScenarios = []expressionScenario{
"D0, P[], (!!bool)::false\n",
},
},
{
skipDoc: true,
document: "{}",
expression: "(.a == .b) as $x",
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
{
skipDoc: true,
document: "{}",
expression: ".a == .b",
expected: []string{
"D0, P[], (!!bool)::true\n",
},
},
{
skipDoc: true,
document: "{}",
expression: "(.a != .b) as $x",
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
{
skipDoc: true,
document: "{}",
expression: ".a != .b",
expected: []string{
"D0, P[], (!!bool)::false\n",
},
},
{
skipDoc: true,
document: "{a: {b: 10}}",

View File

@ -25,7 +25,7 @@ func subtractAssignOperator(d *dataTreeNavigator, context Context, expressionNod
func subtractOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("Subtract operator")
return crossFunction(d, context, expressionNode, subtract, false)
return crossFunction(d, context.ReadOnlyClone(), expressionNode, subtract, false)
}
func subtract(d *dataTreeNavigator, context Context, lhs *CandidateNode, rhs *CandidateNode) (*CandidateNode, error) {

View File

@ -5,6 +5,14 @@ import (
)
var subtractOperatorScenarios = []expressionScenario{
{
skipDoc: true,
document: `{}`,
expression: "(.a - .b) as $x",
expected: []string{
"D0, P[], (doc)::{}\n",
},
},
{
description: "Number subtraction - float",
subdescription: "If the lhs or rhs are floats then the expression will be calculated with floats.",

View File

@ -89,7 +89,7 @@ func traverseArrayOperator(d *dataTreeNavigator, context Context, expressionNode
// rhs is a collect expression that will yield indexes to retreive of the arrays
rhs, err := d.GetMatchingNodes(context, expressionNode.Rhs)
rhs, err := d.GetMatchingNodes(context.ReadOnlyClone(), expressionNode.Rhs)
if err != nil {
return Context{}, err

View File

@ -78,6 +78,14 @@ var traversePathOperatorScenarios = []expressionScenario{
"D0, P[flying fox], (!!str)::frog\n",
},
},
{
skipDoc: true,
document: `c: dog`,
expression: `.[.a.b] as $x`,
expected: []string{
"D0, P[], (doc)::c: dog\n",
},
},
{
description: "Dynamic keys",
subdescription: `Expressions within [] can be used to dynamically lookup / calculate keys`,