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import unittest
from sqlglot.errors import highlight_sql, ANSI_UNDERLINE, ANSI_RESET
class TestErrors(unittest.TestCase):
def test_highlight_sql_single_character(self):
sql = "SELECT a FROM t"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(7, 7)])
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "a")
self.assertEqual(end_ctx, " FROM t")
self.assertEqual(formatted, f"SELECT {ANSI_UNDERLINE}a{ANSI_RESET} FROM t")
def test_highlight_sql_multi_character(self):
sql = "SELECT foo FROM table"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(7, 9)])
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "foo")
self.assertEqual(end_ctx, " FROM table")
self.assertEqual(formatted, f"SELECT {ANSI_UNDERLINE}foo{ANSI_RESET} FROM table")
def test_highlight_sql_multiple_highlights(self):
sql = "SELECT a, b, c FROM table"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(7, 7), (10, 10)])
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "a, b")
self.assertEqual(end_ctx, ", c FROM table")
self.assertEqual(
formatted,
f"SELECT {ANSI_UNDERLINE}a{ANSI_RESET}, {ANSI_UNDERLINE}b{ANSI_RESET}, c FROM table",
)
def test_highlight_sql_at_end(self):
sql = "SELECT a FROM t"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(14, 14)])
self.assertEqual(start_ctx, "SELECT a FROM ")
self.assertEqual(highlight, "t")
self.assertEqual(end_ctx, "")
self.assertEqual(formatted, f"SELECT a FROM {ANSI_UNDERLINE}t{ANSI_RESET}")
def test_highlight_sql_entire_string(self):
sql = "SELECT a"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(0, 7)])
self.assertEqual(start_ctx, "")
self.assertEqual(highlight, "SELECT a")
self.assertEqual(end_ctx, "")
self.assertEqual(formatted, f"{ANSI_UNDERLINE}SELECT a{ANSI_RESET}")
def test_highlight_sql_adjacent_highlights(self):
sql = "SELECT ab FROM t"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(7, 7), (8, 8)])
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "ab")
self.assertEqual(end_ctx, " FROM t")
self.assertEqual(
formatted, f"SELECT {ANSI_UNDERLINE}a{ANSI_RESET}{ANSI_UNDERLINE}b{ANSI_RESET} FROM t"
)
def test_highlight_sql_small_context_length(self):
sql = "SELECT a, b, c FROM table WHERE x = 1"
formatted, start_ctx, highlight, end_ctx = highlight_sql(
sql, [(7, 7), (10, 10)], context_length=5
)
self.assertEqual(start_ctx, "LECT ")
self.assertEqual(highlight, "a, b")
self.assertEqual(end_ctx, ", c F")
self.assertEqual(
formatted, f"LECT {ANSI_UNDERLINE}a{ANSI_RESET}, {ANSI_UNDERLINE}b{ANSI_RESET}, c F"
)
def test_highlight_sql_empty_positions(self):
sql = "SELECT a FROM t"
with self.assertRaises(ValueError):
highlight_sql(sql, [])
def test_highlight_sql_partial_overlap(self):
sql = "SELECT foo FROM table"
formatted, start_ctx, highlight, end_ctx = highlight_sql(
sql,
[(7, 9), (8, 10)], # "foo" and "oo "
)
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "foo ")
self.assertEqual(end_ctx, "FROM table")
self.assertEqual(
formatted,
f"SELECT {ANSI_UNDERLINE}foo{ANSI_RESET}{ANSI_UNDERLINE} {ANSI_RESET}FROM table",
)
def test_highlight_sql_full_overlap(self):
sql = "SELECT foobar FROM table"
formatted, start_ctx, highlight, end_ctx = highlight_sql(
sql,
[(7, 12), (9, 11)], # "foobar" and "oba"
)
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "foobar")
self.assertEqual(end_ctx, " FROM table")
self.assertEqual(formatted, f"SELECT {ANSI_UNDERLINE}foobar{ANSI_RESET} FROM table")
def test_highlight_sql_identical_positions(self):
sql = "SELECT a FROM t"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(7, 7), (7, 7)])
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "a")
self.assertEqual(end_ctx, " FROM t")
self.assertEqual(formatted, f"SELECT {ANSI_UNDERLINE}a{ANSI_RESET} FROM t")
def test_highlight_sql_reversed_positions(self):
sql = "SELECT a, b FROM table"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(10, 10), (7, 7)])
self.assertEqual(start_ctx, "SELECT ")
self.assertEqual(highlight, "a, b")
self.assertEqual(end_ctx, " FROM table")
self.assertEqual(
formatted,
f"SELECT {ANSI_UNDERLINE}a{ANSI_RESET}, {ANSI_UNDERLINE}b{ANSI_RESET} FROM table",
)
def test_highlight_sql_zero_context_length(self):
sql = "SELECT a, b FROM table"
formatted, start_ctx, highlight, end_ctx = highlight_sql(sql, [(7, 7)], context_length=0)
self.assertEqual(start_ctx, "")
self.assertEqual(end_ctx, "")
self.assertEqual(highlight, "a")
self.assertEqual(formatted, f"{ANSI_UNDERLINE}a{ANSI_RESET}")
if __name__ == "__main__":
unittest.main()
|
