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package parser_test
import (
"fmt"
"strings"
"testing"
"github.com/expr-lang/expr/conf"
"github.com/expr-lang/expr/internal/testify/assert"
"github.com/expr-lang/expr/internal/testify/require"
. "github.com/expr-lang/expr/ast"
"github.com/expr-lang/expr/parser"
)
func TestParse(t *testing.T) {
tests := []struct {
input string
want Node
}{
{
"a",
&IdentifierNode{Value: "a"},
},
{
`"str"`,
&StringNode{Value: "str"},
},
{
"`hello\nworld`",
&StringNode{Value: `hello
world`},
},
{
"3",
&IntegerNode{Value: 3},
},
{
"0xFF",
&IntegerNode{Value: 255},
},
{
"0x6E",
&IntegerNode{Value: 110},
},
{
"0X63",
&IntegerNode{Value: 99},
},
{
"0o600",
&IntegerNode{Value: 384},
},
{
"0O45",
&IntegerNode{Value: 37},
},
{
"0b10",
&IntegerNode{Value: 2},
},
{
"0B101011",
&IntegerNode{Value: 43},
},
{
"10_000_000",
&IntegerNode{Value: 10_000_000},
},
{
"2.5",
&FloatNode{Value: 2.5},
},
{
"1e9",
&FloatNode{Value: 1e9},
},
{
"true",
&BoolNode{Value: true},
},
{
"false",
&BoolNode{Value: false},
},
{
"nil",
&NilNode{},
},
{
`b"hello"`,
&BytesNode{Value: []byte("hello")},
},
{
`b'\xff\x00'`,
&BytesNode{Value: []byte{255, 0}},
},
{
"-3",
&UnaryNode{Operator: "-",
Node: &IntegerNode{Value: 3}},
},
{
"-2^2",
&UnaryNode{
Operator: "-",
Node: &BinaryNode{
Operator: "^",
Left: &IntegerNode{Value: 2},
Right: &IntegerNode{Value: 2},
},
},
},
{
"1 - 2",
&BinaryNode{Operator: "-",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 2}},
},
{
"(1 - 2) * 3",
&BinaryNode{
Operator: "*",
Left: &BinaryNode{
Operator: "-",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 2},
},
Right: &IntegerNode{Value: 3},
},
},
{
"a or b or c",
&BinaryNode{Operator: "or",
Left: &BinaryNode{Operator: "or",
Left: &IdentifierNode{Value: "a"},
Right: &IdentifierNode{Value: "b"}},
Right: &IdentifierNode{Value: "c"}},
},
{
"a or b and c",
&BinaryNode{Operator: "or",
Left: &IdentifierNode{Value: "a"},
Right: &BinaryNode{Operator: "and",
Left: &IdentifierNode{Value: "b"},
Right: &IdentifierNode{Value: "c"}}},
},
{
"(a or b) and c",
&BinaryNode{Operator: "and",
Left: &BinaryNode{Operator: "or",
Left: &IdentifierNode{Value: "a"},
Right: &IdentifierNode{Value: "b"}},
Right: &IdentifierNode{Value: "c"}},
},
{
"2**4-1",
&BinaryNode{Operator: "-",
Left: &BinaryNode{Operator: "**",
Left: &IntegerNode{Value: 2},
Right: &IntegerNode{Value: 4}},
Right: &IntegerNode{Value: 1}},
},
{
"foo(bar())",
&CallNode{Callee: &IdentifierNode{Value: "foo"},
Arguments: []Node{&CallNode{Callee: &IdentifierNode{Value: "bar"},
Arguments: []Node{}}}},
},
{
`foo("arg1", 2, true)`,
&CallNode{Callee: &IdentifierNode{Value: "foo"},
Arguments: []Node{&StringNode{Value: "arg1"},
&IntegerNode{Value: 2},
&BoolNode{Value: true}}},
},
{
"foo.bar",
&MemberNode{Node: &IdentifierNode{Value: "foo"},
Property: &StringNode{Value: "bar"}},
},
{
"foo['all']",
&MemberNode{Node: &IdentifierNode{Value: "foo"},
Property: &StringNode{Value: "all"}},
},
{
"foo.bar()",
&CallNode{Callee: &MemberNode{Node: &IdentifierNode{Value: "foo"},
Property: &StringNode{Value: "bar"}, Method: true},
Arguments: []Node{}},
},
{
`foo.bar("arg1", 2, true)`,
&CallNode{Callee: &MemberNode{Node: &IdentifierNode{Value: "foo"},
Property: &StringNode{Value: "bar"}, Method: true},
Arguments: []Node{&StringNode{Value: "arg1"},
&IntegerNode{Value: 2},
&BoolNode{Value: true}}},
},
{
"foo[3]",
&MemberNode{Node: &IdentifierNode{Value: "foo"},
Property: &IntegerNode{Value: 3}},
},
{
"true ? true : false",
&ConditionalNode{
Ternary: true,
Cond: &BoolNode{Value: true},
Exp1: &BoolNode{Value: true},
Exp2: &BoolNode{}},
},
{
"a?[b]:c",
&ConditionalNode{
Ternary: true,
Cond: &IdentifierNode{Value: "a"},
Exp1: &ArrayNode{Nodes: []Node{&IdentifierNode{Value: "b"}}},
Exp2: &IdentifierNode{Value: "c"}},
},
{
"a.b().c().d[33]",
&MemberNode{
Node: &MemberNode{
Node: &CallNode{
Callee: &MemberNode{
Node: &CallNode{
Callee: &MemberNode{
Node: &IdentifierNode{
Value: "a",
},
Property: &StringNode{
Value: "b",
},
Method: true,
},
Arguments: []Node{},
},
Property: &StringNode{
Value: "c",
},
Method: true,
},
Arguments: []Node{},
},
Property: &StringNode{
Value: "d",
},
},
Property: &IntegerNode{Value: 33}},
},
{
"'a' == 'b'",
&BinaryNode{Operator: "==",
Left: &StringNode{Value: "a"},
Right: &StringNode{Value: "b"}},
},
{
"+0 != -0",
&BinaryNode{Operator: "!=",
Left: &UnaryNode{Operator: "+",
Node: &IntegerNode{}},
Right: &UnaryNode{Operator: "-",
Node: &IntegerNode{}}},
},
{
"[a, b, c]",
&ArrayNode{Nodes: []Node{&IdentifierNode{Value: "a"},
&IdentifierNode{Value: "b"},
&IdentifierNode{Value: "c"}}},
},
{
"{foo:1, bar:2}",
&MapNode{Pairs: []Node{&PairNode{Key: &StringNode{Value: "foo"},
Value: &IntegerNode{Value: 1}},
&PairNode{Key: &StringNode{Value: "bar"},
Value: &IntegerNode{Value: 2}}}},
},
{
"{foo:1, bar:2, }",
&MapNode{Pairs: []Node{&PairNode{Key: &StringNode{Value: "foo"},
Value: &IntegerNode{Value: 1}},
&PairNode{Key: &StringNode{Value: "bar"},
Value: &IntegerNode{Value: 2}}}},
},
{
`{"a": 1, 'b': 2}`,
&MapNode{Pairs: []Node{&PairNode{Key: &StringNode{Value: "a"},
Value: &IntegerNode{Value: 1}},
&PairNode{Key: &StringNode{Value: "b"},
Value: &IntegerNode{Value: 2}}}},
},
{
"[1].foo",
&MemberNode{Node: &ArrayNode{Nodes: []Node{&IntegerNode{Value: 1}}},
Property: &StringNode{Value: "foo"}},
},
{
"{foo:1}.bar",
&MemberNode{Node: &MapNode{Pairs: []Node{&PairNode{Key: &StringNode{Value: "foo"},
Value: &IntegerNode{Value: 1}}}},
Property: &StringNode{Value: "bar"}},
},
{
"len(foo)",
&BuiltinNode{
Name: "len",
Arguments: []Node{
&IdentifierNode{Value: "foo"},
},
},
},
{
`foo matches "foo"`,
&BinaryNode{
Operator: "matches",
Left: &IdentifierNode{Value: "foo"},
Right: &StringNode{Value: "foo"}},
},
{
`foo not matches "foo"`,
&UnaryNode{
Operator: "not",
Node: &BinaryNode{
Operator: "matches",
Left: &IdentifierNode{Value: "foo"},
Right: &StringNode{Value: "foo"}}},
},
{
`foo matches regex`,
&BinaryNode{
Operator: "matches",
Left: &IdentifierNode{Value: "foo"},
Right: &IdentifierNode{Value: "regex"}},
},
{
`foo contains "foo"`,
&BinaryNode{
Operator: "contains",
Left: &IdentifierNode{Value: "foo"},
Right: &StringNode{Value: "foo"}},
},
{
`foo not contains "foo"`,
&UnaryNode{
Operator: "not",
Node: &BinaryNode{Operator: "contains",
Left: &IdentifierNode{Value: "foo"},
Right: &StringNode{Value: "foo"}}},
},
{
`foo startsWith "foo"`,
&BinaryNode{Operator: "startsWith",
Left: &IdentifierNode{Value: "foo"},
Right: &StringNode{Value: "foo"}},
},
{
`foo endsWith "foo"`,
&BinaryNode{Operator: "endsWith",
Left: &IdentifierNode{Value: "foo"},
Right: &StringNode{Value: "foo"}},
},
{
"1..9",
&BinaryNode{Operator: "..",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 9}},
},
{
"0 in []",
&BinaryNode{Operator: "in",
Left: &IntegerNode{},
Right: &ArrayNode{Nodes: []Node{}}},
},
{
"not in_var",
&UnaryNode{Operator: "not",
Node: &IdentifierNode{Value: "in_var"}},
},
{
"-1 not in [1, 2, 3, 4]",
&UnaryNode{Operator: "not",
Node: &BinaryNode{Operator: "in",
Left: &UnaryNode{Operator: "-", Node: &IntegerNode{Value: 1}},
Right: &ArrayNode{Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
&IntegerNode{Value: 4},
}}}},
},
{
"1*8 not in [1, 2, 3, 4]",
&UnaryNode{Operator: "not",
Node: &BinaryNode{Operator: "in",
Left: &BinaryNode{Operator: "*",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 8},
},
Right: &ArrayNode{Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
&IntegerNode{Value: 4},
}}}},
},
{
"2==2 ? false : 3 not in [1, 2, 5]",
&ConditionalNode{
Ternary: true,
Cond: &BinaryNode{
Operator: "==",
Left: &IntegerNode{Value: 2},
Right: &IntegerNode{Value: 2},
},
Exp1: &BoolNode{Value: false},
Exp2: &UnaryNode{
Operator: "not",
Node: &BinaryNode{
Operator: "in",
Left: &IntegerNode{Value: 3},
Right: &ArrayNode{Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 5},
}}}}},
},
{
"'foo' + 'bar' not matches 'foobar'",
&UnaryNode{Operator: "not",
Node: &BinaryNode{Operator: "matches",
Left: &BinaryNode{Operator: "+",
Left: &StringNode{Value: "foo"},
Right: &StringNode{Value: "bar"}},
Right: &StringNode{Value: "foobar"}}},
},
{
"all(Tickets, #)",
&BuiltinNode{
Name: "all",
Arguments: []Node{
&IdentifierNode{Value: "Tickets"},
&PredicateNode{
Node: &PointerNode{},
}}},
},
{
"all(Tickets, {.Price > 0})",
&BuiltinNode{
Name: "all",
Arguments: []Node{
&IdentifierNode{Value: "Tickets"},
&PredicateNode{
Node: &BinaryNode{
Operator: ">",
Left: &MemberNode{Node: &PointerNode{},
Property: &StringNode{Value: "Price"}},
Right: &IntegerNode{Value: 0}}}}},
},
{
"one(Tickets, {#.Price > 0})",
&BuiltinNode{
Name: "one",
Arguments: []Node{
&IdentifierNode{Value: "Tickets"},
&PredicateNode{
Node: &BinaryNode{
Operator: ">",
Left: &MemberNode{
Node: &PointerNode{},
Property: &StringNode{Value: "Price"},
},
Right: &IntegerNode{Value: 0}}}}},
},
{
"filter(Prices, {# > 100})",
&BuiltinNode{Name: "filter",
Arguments: []Node{&IdentifierNode{Value: "Prices"},
&PredicateNode{Node: &BinaryNode{Operator: ">",
Left: &PointerNode{},
Right: &IntegerNode{Value: 100}}}}},
},
{
"array[1:2]",
&SliceNode{Node: &IdentifierNode{Value: "array"},
From: &IntegerNode{Value: 1},
To: &IntegerNode{Value: 2}},
},
{
"array[:2]",
&SliceNode{Node: &IdentifierNode{Value: "array"},
To: &IntegerNode{Value: 2}},
},
{
"array[1:]",
&SliceNode{Node: &IdentifierNode{Value: "array"},
From: &IntegerNode{Value: 1}},
},
{
"array[:]",
&SliceNode{Node: &IdentifierNode{Value: "array"}},
},
{
"[]",
&ArrayNode{},
},
{
"foo ?? bar",
&BinaryNode{Operator: "??",
Left: &IdentifierNode{Value: "foo"},
Right: &IdentifierNode{Value: "bar"}},
},
{
"foo ?? bar ?? baz",
&BinaryNode{Operator: "??",
Left: &BinaryNode{Operator: "??",
Left: &IdentifierNode{Value: "foo"},
Right: &IdentifierNode{Value: "bar"}},
Right: &IdentifierNode{Value: "baz"}},
},
{
"foo ?? (bar || baz)",
&BinaryNode{Operator: "??",
Left: &IdentifierNode{Value: "foo"},
Right: &BinaryNode{Operator: "||",
Left: &IdentifierNode{Value: "bar"},
Right: &IdentifierNode{Value: "baz"}}},
},
{
"foo || bar ?? baz",
&BinaryNode{Operator: "||",
Left: &IdentifierNode{Value: "foo"},
Right: &BinaryNode{Operator: "??",
Left: &IdentifierNode{Value: "bar"},
Right: &IdentifierNode{Value: "baz"}}},
},
{
"foo ?? bar()",
&BinaryNode{Operator: "??",
Left: &IdentifierNode{Value: "foo"},
Right: &CallNode{Callee: &IdentifierNode{Value: "bar"}}},
},
{
"true | ok()",
&CallNode{
Callee: &IdentifierNode{Value: "ok"},
Arguments: []Node{
&BoolNode{Value: true}}}},
{
`let foo = a + b; foo + c`,
&VariableDeclaratorNode{
Name: "foo",
Value: &BinaryNode{Operator: "+",
Left: &IdentifierNode{Value: "a"},
Right: &IdentifierNode{Value: "b"}},
Expr: &BinaryNode{Operator: "+",
Left: &IdentifierNode{Value: "foo"},
Right: &IdentifierNode{Value: "c"}}},
},
{
`map([], #index)`,
&BuiltinNode{
Name: "map",
Arguments: []Node{
&ArrayNode{},
&PredicateNode{
Node: &PointerNode{Name: "index"},
},
},
},
},
{
`::split("a,b,c", ",")`,
&BuiltinNode{
Name: "split",
Arguments: []Node{
&StringNode{Value: "a,b,c"},
&StringNode{Value: ","},
},
},
},
{
`::split("a,b,c", ",")[0]`,
&MemberNode{
Node: &BuiltinNode{
Name: "split",
Arguments: []Node{
&StringNode{Value: "a,b,c"},
&StringNode{Value: ","},
},
},
Property: &IntegerNode{Value: 0},
},
},
{
`"hello"[1:3]`,
&SliceNode{
Node: &StringNode{Value: "hello"},
From: &IntegerNode{Value: 1},
To: &IntegerNode{Value: 3},
},
},
{
`1 < 2 > 3`,
&BinaryNode{
Operator: "&&",
Left: &BinaryNode{
Operator: "<",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 2},
},
Right: &BinaryNode{
Operator: ">",
Left: &IntegerNode{Value: 2},
Right: &IntegerNode{Value: 3},
},
},
},
{
`1 < 2 < 3 < 4`,
&BinaryNode{
Operator: "&&",
Left: &BinaryNode{
Operator: "&&",
Left: &BinaryNode{
Operator: "<",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 2},
},
Right: &BinaryNode{
Operator: "<",
Left: &IntegerNode{Value: 2},
Right: &IntegerNode{Value: 3},
},
},
Right: &BinaryNode{
Operator: "<",
Left: &IntegerNode{Value: 3},
Right: &IntegerNode{Value: 4},
},
},
},
{
`1 < 2 < 3 == true`,
&BinaryNode{
Operator: "==",
Left: &BinaryNode{
Operator: "&&",
Left: &BinaryNode{
Operator: "<",
Left: &IntegerNode{Value: 1},
Right: &IntegerNode{Value: 2},
},
Right: &BinaryNode{
Operator: "<",
Left: &IntegerNode{Value: 2},
Right: &IntegerNode{Value: 3},
},
},
Right: &BoolNode{Value: true},
},
},
{
"if a>b {true} else {x}",
&ConditionalNode{
Cond: &BinaryNode{
Operator: ">",
Left: &IdentifierNode{Value: "a"},
Right: &IdentifierNode{Value: "b"},
},
Exp1: &BoolNode{Value: true},
Exp2: &IdentifierNode{Value: "x"}},
},
{
"if a { 1 } else if b { 2 } else { 3 }",
&ConditionalNode{
Cond: &IdentifierNode{Value: "a"},
Exp1: &IntegerNode{Value: 1},
Exp2: &ConditionalNode{
Cond: &IdentifierNode{Value: "b"},
Exp1: &IntegerNode{Value: 2},
Exp2: &IntegerNode{Value: 3}}},
},
{
"if a { 1 } else if b { 2 } else if c { 3 } else { 4 }",
&ConditionalNode{
Cond: &IdentifierNode{Value: "a"},
Exp1: &IntegerNode{Value: 1},
Exp2: &ConditionalNode{
Cond: &IdentifierNode{Value: "b"},
Exp1: &IntegerNode{Value: 2},
Exp2: &ConditionalNode{
Cond: &IdentifierNode{Value: "c"},
Exp1: &IntegerNode{Value: 3},
Exp2: &IntegerNode{Value: 4}}}},
},
{
"1; 2; 3",
&SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
},
},
},
{
"1; (2; 3)",
&SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 1},
&SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 2},
&IntegerNode{Value: 3}},
},
},
},
},
{
"true ? 1 : 2; 3 ; 4",
&SequenceNode{
Nodes: []Node{
&ConditionalNode{
Ternary: true,
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &IntegerNode{Value: 2}},
&IntegerNode{Value: 3},
&IntegerNode{Value: 4},
},
},
},
{
"true ? 1 : ( 2; 3; 4 )",
&ConditionalNode{
Ternary: true,
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
&IntegerNode{Value: 4},
},
},
},
},
{
"true ?: 1; 2; 3",
&SequenceNode{
Nodes: []Node{
&ConditionalNode{
Ternary: true,
Cond: &BoolNode{Value: true},
Exp1: &BoolNode{Value: true},
Exp2: &IntegerNode{Value: 1}},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
},
},
},
{
`let x = true ? 1 : 2; x`,
&VariableDeclaratorNode{
Name: "x",
Value: &ConditionalNode{
Ternary: true,
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &IntegerNode{Value: 2}},
Expr: &IdentifierNode{Value: "x"}},
},
{
"let x = true ? 1 : ( 2; 3; 4 ); x",
&VariableDeclaratorNode{
Name: "x",
Value: &ConditionalNode{
Ternary: true,
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
&IntegerNode{Value: 4},
},
},
},
Expr: &IdentifierNode{Value: "x"}},
},
{
"if true { 1; 2; 3 } else { 4; 5; 6 }",
&ConditionalNode{
Cond: &BoolNode{Value: true},
Exp1: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3}}},
Exp2: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 4},
&IntegerNode{Value: 5},
&IntegerNode{Value: 6}}},
},
},
{
`all(ls, if true { 1 } else { 2 })`,
&BuiltinNode{
Name: "all",
Arguments: []Node{
&IdentifierNode{Value: "ls"},
&PredicateNode{
Node: &ConditionalNode{
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &IntegerNode{Value: 2},
}}}},
},
{
`let x = if true { 1 } else { 2 }; x`,
&VariableDeclaratorNode{
Name: "x",
Value: &ConditionalNode{
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &IntegerNode{Value: 2},
},
Expr: &IdentifierNode{Value: "x"}},
},
{
`call(if true { 1 } else { 2 })`,
&CallNode{
Callee: &IdentifierNode{Value: "call"},
Arguments: []Node{
&ConditionalNode{
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &IntegerNode{Value: 2},
}}},
},
{
`[if true { 1 } else { 2 }]`,
&ArrayNode{
Nodes: []Node{
&ConditionalNode{
Cond: &BoolNode{Value: true},
Exp1: &IntegerNode{Value: 1},
Exp2: &IntegerNode{Value: 2},
}}},
},
{
`map(ls, { 1; 2; 3 })`,
&BuiltinNode{
Name: "map",
Arguments: []Node{
&IdentifierNode{Value: "ls"},
&PredicateNode{
Node: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
},
},
},
}},
},
{
`let x = 1; 2; 3 + x`,
&VariableDeclaratorNode{
Name: "x",
Value: &IntegerNode{Value: 1},
Expr: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 2},
&BinaryNode{
Operator: "+",
Left: &IntegerNode{Value: 3},
Right: &IdentifierNode{Value: "x"},
},
},
},
},
},
{
`let x = 1; let y = 2; 3; 4; x + y`,
&VariableDeclaratorNode{
Name: "x",
Value: &IntegerNode{Value: 1},
Expr: &VariableDeclaratorNode{
Name: "y",
Value: &IntegerNode{Value: 2},
Expr: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 3},
&IntegerNode{Value: 4},
&BinaryNode{
Operator: "+",
Left: &IdentifierNode{Value: "x"},
Right: &IdentifierNode{Value: "y"},
},
},
}}},
},
{
`let x = (1; 2; 3); x`,
&VariableDeclaratorNode{
Name: "x",
Value: &SequenceNode{
Nodes: []Node{
&IntegerNode{Value: 1},
&IntegerNode{Value: 2},
&IntegerNode{Value: 3},
},
},
Expr: &IdentifierNode{Value: "x"},
},
},
{
`all(
[
true,
false,
],
#,
)`,
&BuiltinNode{
Name: "all",
Arguments: []Node{
&ArrayNode{
Nodes: []Node{
&BoolNode{Value: true},
&BoolNode{Value: false},
},
},
&PredicateNode{
Node: &PointerNode{},
},
},
},
},
{
`list | all(#,)`,
&BuiltinNode{
Name: "all",
Arguments: []Node{
&IdentifierNode{Value: "list"},
&PredicateNode{
Node: &PointerNode{},
},
},
},
},
{
`func(
parameter1,
parameter2,
)`,
&CallNode{
Callee: &IdentifierNode{Value: "func"},
Arguments: []Node{
&IdentifierNode{Value: "parameter1"},
&IdentifierNode{Value: "parameter2"},
},
},
},
}
for _, test := range tests {
t.Run(test.input, func(t *testing.T) {
actual, err := parser.Parse(test.input)
require.NoError(t, err)
assert.Equal(t, Dump(test.want), Dump(actual.Node))
})
}
}
func TestParse_error(t *testing.T) {
var tests = []struct {
input string
err string
}{
{`foo.`, `unexpected end of expression (1:4)
| foo.
| ...^`},
{`a+`, `unexpected token EOF (1:2)
| a+
| .^`},
{`a ? (1+2) c`, `unexpected token Identifier("c") (1:11)
| a ? (1+2) c
| ..........^`},
{`[a b]`, `unexpected token Identifier("b") (1:4)
| [a b]
| ...^`},
{`foo.bar(a b)`, `unexpected token Identifier("b") (1:11)
| foo.bar(a b)
| ..........^`},
{`{-}`, `a map key must be a quoted string, a number, a identifier, or an expression enclosed in parentheses (unexpected token Operator("-")) (1:2)
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