def test_parse_list_with_inner_comment():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.WhitespaceToken("\n ", 1),
tokens.LiteralToken("view_name.field_one", 2),
tokens.CommaToken(2),
tokens.WhitespaceToken("\n ", 2),
tokens.LiteralToken("view_name.field_two", 3),
tokens.WhitespaceToken(" ", 3),
tokens.CommentToken("# This is a comment", 3),
tokens.WhitespaceToken("\n", 3),
tokens.ListEndToken(4),
tokens.StreamEndToken(4),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields", 1),
colon=Colon(line_number=1, suffix=" "),
left_bracket=LeftBracket(),
items=(
SyntaxToken("view_name.field_one", 2, prefix="\n "),
SyntaxToken("view_name.field_two",
3,
prefix="\n ",
suffix=" # This is a comment\n"),
),
right_bracket=RightBracket(),
)
def test_parse_list_with_literals():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.LiteralToken("view_name.field_one", 1),
tokens.CommaToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.LiteralToken("view_name.field_two", 1),
tokens.CommaToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.LiteralToken("view_name.field_three", 1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields"),
left_bracket=LeftBracket(),
items=(
SyntaxToken("view_name.field_one"),
SyntaxToken("view_name.field_two", prefix=" "),
SyntaxToken("view_name.field_three", prefix=" "),
),
right_bracket=RightBracket(),
)
def test_parse_pair_without_value_token():
stream = (
tokens.LiteralToken("hidden", 1),
tokens.LiteralToken("yes", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result is None
def test_scan_with_non_expression_block_starting_with_html():
text = "html_not_reserved_field: yes"
output = lkml.Lexer(text).scan()
assert output == (
tokens.StreamStartToken(1),
tokens.LiteralToken("html_not_reserved_field", 1),
tokens.ValueToken(1),
tokens.LiteralToken("yes", 1),
tokens.StreamEndToken(1),
)
def test_parse_pair_with_literal():
stream = (
tokens.LiteralToken("hidden", 1),
tokens.ValueToken(1),
tokens.LiteralToken("yes", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result == {"hidden": "yes"}
def test_parse_pair_with_literal():
stream = (
tokens.LiteralToken("hidden", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.LiteralToken("yes", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result == PairNode(type=SyntaxToken("hidden"), value=SyntaxToken("yes"))
def test_parse_pair_with_sql_block():
sql = "SELECT * FROM schema.table"
stream = (
tokens.LiteralToken("sql", 1),
tokens.ValueToken(1),
tokens.LiteralToken(sql, 1),
tokens.ExpressionBlockEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result == {"sql": sql}
def test_parse_list_with_no_opening_bracket():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.LiteralToken("view_name.field_one", 1),
tokens.CommaToken(1),
tokens.LiteralToken("view_name.field_two", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result is None
def test_parse_block_with_no_expression():
stream = (
tokens.LiteralToken("dimension", 1),
tokens.ValueToken(1),
tokens.LiteralToken("dimension_name", 1),
tokens.BlockStartToken(1),
tokens.BlockEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_block()
assert result == {"dimension": {"name": "dimension_name"}}
def test_parse_block_without_closing_curly_brace():
stream = (
tokens.LiteralToken("view", 1),
tokens.ValueToken(1),
tokens.BlockStartToken(1),
tokens.LiteralToken("hidden", 2),
tokens.ValueToken(2),
tokens.LiteralToken("yes", 2),
tokens.StreamEndToken(3),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_block()
assert result is None
def test_parse_list_with_trailing_comma():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.ListStartToken(1),
tokens.LiteralToken("view_name.field_one", 1),
tokens.CommaToken(1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result is None
def test_parse_list_with_trailing_comma():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.LiteralToken("view_name.field_one", 1),
tokens.CommaToken(1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields", 1),
colon=Colon(line_number=1, suffix=" "),
left_bracket=LeftBracket(),
items=(SyntaxToken("view_name.field_one", 1), ),
trailing_comma=Comma(),
right_bracket=RightBracket(),
)
# Test when the list items are separated by newlines
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.WhitespaceToken("\n ", 1),
tokens.LiteralToken("view_name.field_one", 2),
tokens.CommaToken(2),
tokens.WhitespaceToken("\n", 2),
tokens.ListEndToken(3),
tokens.StreamEndToken(3),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields", 1),
colon=Colon(line_number=1, suffix=" "),
left_bracket=LeftBracket(),
items=(SyntaxToken("view_name.field_one", 2, prefix="\n "), ),
trailing_comma=Comma(),
right_bracket=RightBracket(prefix="\n"),
)
def test_parse_pair_with_quoted_literal():
stream = (
tokens.LiteralToken("view_label", 1),
tokens.ValueToken(1),
tokens.QuotedLiteralToken("View Label", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result == {"view_label": "View Label"}
def test_parse_pair_with_bad_key():
stream = (
tokens.QuotedLiteralToken("hidden", 1),
tokens.ValueToken(1),
tokens.LiteralToken("yes", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result is None
def test_parse_value_literal_with_sql_block():
literal = "SELECT * FROM tablename"
stream = (
tokens.LiteralToken(literal, 1),
tokens.ExpressionBlockEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_value()
assert result == literal
def test_parse_list_with_pairs():
stream = (
tokens.LiteralToken("sorts", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.LiteralToken("orders.customer_id", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.LiteralToken("asc", 1),
tokens.CommaToken(1),
tokens.LiteralToken("orders.order_id", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.LiteralToken("desc", 1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("sorts"),
left_bracket=LeftBracket(),
items=(
PairNode(SyntaxToken("orders.customer_id"), SyntaxToken("asc")),
PairNode(SyntaxToken("orders.order_id"), SyntaxToken("desc")),
),
right_bracket=RightBracket(),
)
stream = (
tokens.LiteralToken("filters", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.WhitespaceToken("\n ", 1),
tokens.LiteralToken("view_name.field_one", 2),
tokens.ValueToken(2),
tokens.WhitespaceToken(" ", 2),
tokens.QuotedLiteralToken("-0,-1,-8,-9,-99,-NULL,-EMPTY", 2),
tokens.WhitespaceToken("\n", 2),
tokens.ListEndToken(3),
tokens.StreamEndToken(3),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("filters"),
left_bracket=LeftBracket(),
items=(
PairNode(
SyntaxToken("view_name.field_one", prefix="\n "),
QuotedSyntaxToken("-0,-1,-8,-9,-99,-NULL,-EMPTY"),
),
),
right_bracket=RightBracket(prefix="\n"),
)
def test_parse_list_with_no_contents():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.ListStartToken(1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == {"drill_fields": []}
def test_parse_block_with_no_expression():
stream = (
tokens.LiteralToken("dimension", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.LiteralToken("dimension_name", 1),
tokens.WhitespaceToken(" ", 1),
tokens.BlockStartToken(1),
tokens.BlockEndToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_block()
assert result == BlockNode(
type=SyntaxToken("dimension"),
name=SyntaxToken("dimension_name"),
left_brace=LeftCurlyBrace(prefix=" "),
container=ContainerNode(items=tuple()),
right_brace=RightCurlyBrace(suffix=" "),
)
def test_parse_list_with_leading_comma():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.CommaToken(1),
tokens.LiteralToken("view_name.field_one", 1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields", 1),
colon=Colon(line_number=1, suffix=" "),
left_bracket=LeftBracket(),
items=(SyntaxToken("view_name.field_one", 1), ),
right_bracket=RightBracket(),
leading_comma=Comma(),
)
def scan_literal(self) -> tokens.LiteralToken:
"""Returns a token from a literal string.
Example:
>>> lexer = Lexer("yes")
>>> lexer.scan_literal()
LiteralToken(yes)
"""
chars = ""
while self.peek() not in "\0 \n\t:}{,]":
chars += self.consume()
return tokens.LiteralToken(chars, self.line_number)
def test_parse_value_quoted_literal_with_leftovers():
quoted_literal = "This is a quoted literal."
literal = "Some other tokens following."
stream = (
tokens.QuotedLiteralToken(quoted_literal, 1),
tokens.LiteralToken(literal, 1),
tokens.ValueToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_value()
assert result == quoted_literal
assert parser.index == 1
def test_parse_list_with_literals():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.ListStartToken(1),
tokens.LiteralToken("view_name.field_one", 1),
tokens.CommaToken(1),
tokens.LiteralToken("view_name.field_two", 1),
tokens.CommaToken(1),
tokens.LiteralToken("view_name.field_three", 1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == {
"drill_fields": [
"view_name.field_one",
"view_name.field_two",
"view_name.field_three",
]
}
def test_parse_list_with_no_contents():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields", 1),
colon=Colon(line_number=1, suffix=" "),
left_bracket=LeftBracket(),
items=tuple(),
right_bracket=RightBracket(),
)
# Add whitespace between brackets
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields", 1),
colon=Colon(line_number=1, suffix=" "),
left_bracket=LeftBracket(),
items=tuple(),
right_bracket=RightBracket(prefix=" "),
)
def test_scan_with_complex_sql_block():
text = ("sql_distinct_key: concat(${orders.order_id}, '|', "
"${orders__items.primary_key}) ;;")
output = lkml.Lexer(text).scan()
assert output == (
tokens.StreamStartToken(1),
tokens.LiteralToken("sql_distinct_key", 1),
tokens.ValueToken(1),
tokens.ExpressionBlockToken(
" concat(${orders.order_id}, '|', ${orders__items.primary_key}) ",
1),
tokens.ExpressionBlockEndToken(1),
tokens.StreamEndToken(1),
)
def test_parse_pair_with_sql_block():
sql = " SELECT * FROM schema.table "
stream = (
tokens.LiteralToken("sql", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ExpressionBlockToken(sql, 1),
tokens.ExpressionBlockEndToken(1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result == PairNode(
type=SyntaxToken("sql"), value=ExpressionSyntaxToken(sql.strip())
)
def test_parse_pair_with_quoted_literal():
stream = (
tokens.LiteralToken("view_label", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.QuotedLiteralToken("The View", 1),
tokens.StreamEndToken(1),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_pair()
assert result == PairNode(
type=SyntaxToken("view_label"), value=QuotedSyntaxToken("The View")
)
with pytest.raises(AttributeError):
result.prefix
def test_parse_list_with_only_comment():
stream = (
tokens.LiteralToken("drill_fields", 1),
tokens.ValueToken(1),
tokens.WhitespaceToken(" ", 1),
tokens.ListStartToken(1),
tokens.WhitespaceToken("\n ", 1),
tokens.CommentToken("# Put some fields here", 2),
tokens.WhitespaceToken("\n", 2),
tokens.ListEndToken(3),
tokens.StreamEndToken(3),
)
parser = lkml.parser.Parser(stream)
result = parser.parse_list()
assert result == ListNode(
type=SyntaxToken("drill_fields"),
left_bracket=LeftBracket(),
items=tuple(),
right_bracket=RightBracket(prefix="\n # Put some fields here\n"),
)
def parser():
stream = (
tokens.StreamStartToken(1),
tokens.LiteralToken("view", 1),
tokens.ValueToken(1),
tokens.LiteralToken("view_name", 1),
tokens.BlockStartToken(1),
tokens.LiteralToken("sql_table_name", 2),
tokens.ValueToken(2),
tokens.ExpressionBlockToken("schema.table_name", 2),
tokens.ExpressionBlockEndToken(2),
tokens.LiteralToken("drill_fields", 3),
tokens.ValueToken(3),
tokens.ListStartToken(3),
tokens.LiteralToken("view_name.field_one", 3),
tokens.CommaToken(3),
tokens.LiteralToken("view_name.field_two", 3),
tokens.ListEndToken(3),
tokens.BlockEndToken(4),
tokens.StreamEndToken(4),
)
return lkml.parser.Parser(stream)
def scan_literal(self) -> tokens.LiteralToken:
chars = ""
while self.peek() not in "\0 \n\t:}{,]":
chars += self.consume()
return tokens.LiteralToken(chars, self.line_number)
def test_parse_nonmatching_expression_raises_syntax_error():
stream = (tokens.LiteralToken("view", 1), tokens.StreamEndToken(1))
parser = lkml.parser.Parser(stream)
with pytest.raises(SyntaxError):
result = parser.parse_expression()
