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Added eval operator

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This commit is contained in:
Mike Farah
2022-02-01 14:47:51 +11:00
parent 77204551ab
commit 535799462f
19 changed files with 209 additions and 30 deletions
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pkg/yqlib/expression_parser_test.go
+20 -13
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@@ -6,66 +6,73 @@ import (
"github.com/mikefarah/yq/v4/test"
)
func getExpressionParser() ExpressionParserInterface {
if ExpressionParser == nil {
ExpressionParser = newExpressionParser()
}
return ExpressionParser
}
func TestParserNoMatchingCloseCollect(t *testing.T) {
_, err := NewExpressionParser().ParseExpression("[1,2")
_, err := getExpressionParser().ParseExpression("[1,2")
test.AssertResultComplex(t, "Bad expression, could not find matching `]`", err.Error())
}
func TestParserNoMatchingCloseObjectInCollect(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(`[{"b": "c"]`)
_, err := getExpressionParser().ParseExpression(`[{"b": "c"]`)
test.AssertResultComplex(t, "Bad expression, could not find matching `}`", err.Error())
}
func TestParserNoMatchingCloseInCollect(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(`[(.a]`)
_, err := getExpressionParser().ParseExpression(`[(.a]`)
test.AssertResultComplex(t, "Bad expression, could not find matching `)`", err.Error())
}
func TestParserNoMatchingCloseCollectObject(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(`{"a": "b"`)
_, err := getExpressionParser().ParseExpression(`{"a": "b"`)
test.AssertResultComplex(t, "Bad expression, could not find matching `}`", err.Error())
}
func TestParserNoMatchingCloseCollectInCollectObject(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(`{"b": [1}`)
_, err := getExpressionParser().ParseExpression(`{"b": [1}`)
test.AssertResultComplex(t, "Bad expression, could not find matching `]`", err.Error())
}
func TestParserNoMatchingCloseBracketInCollectObject(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(`{"b": (1}`)
_, err := getExpressionParser().ParseExpression(`{"b": (1}`)
test.AssertResultComplex(t, "Bad expression, could not find matching `)`", err.Error())
}
func TestParserNoArgsForTwoArgOp(t *testing.T) {
_, err := NewExpressionParser().ParseExpression("=")
_, err := getExpressionParser().ParseExpression("=")
test.AssertResultComplex(t, "'=' expects 2 args but there is 0", err.Error())
}
func TestParserOneLhsArgsForTwoArgOp(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(".a =")
_, err := getExpressionParser().ParseExpression(".a =")
test.AssertResultComplex(t, "'=' expects 2 args but there is 1", err.Error())
}
func TestParserOneRhsArgsForTwoArgOp(t *testing.T) {
_, err := NewExpressionParser().ParseExpression("= .a")
_, err := getExpressionParser().ParseExpression("= .a")
test.AssertResultComplex(t, "'=' expects 2 args but there is 1", err.Error())
}
func TestParserTwoArgsForTwoArgOp(t *testing.T) {
_, err := NewExpressionParser().ParseExpression(".a = .b")
_, err := getExpressionParser().ParseExpression(".a = .b")
test.AssertResultComplex(t, nil, err)
}
func TestParserNoArgsForOneArgOp(t *testing.T) {
_, err := NewExpressionParser().ParseExpression("explode")
_, err := getExpressionParser().ParseExpression("explode")
test.AssertResultComplex(t, "'explode' expects 1 arg but received none", err.Error())
}
func TestParserOneArgForOneArgOp(t *testing.T) {
_, err := NewExpressionParser().ParseExpression("explode(.)")
_, err := getExpressionParser().ParseExpression("explode(.)")
test.AssertResultComplex(t, nil, err)
}
func TestParserExtraArgs(t *testing.T) {
_, err := NewExpressionParser().ParseExpression("sortKeys(.) explode(.)")
_, err := getExpressionParser().ParseExpression("sortKeys(.) explode(.)")
test.AssertResultComplex(t, "Bad expression, please check expression syntax", err.Error())
}