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Fix TestParseExpressions

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Signed-off-by: Marco Pracucci <marco@pracucci.com>
This commit is contained in:
Marco Pracucci 2024-01-25 14:57:43 +01:00
parent bfec57bd2e
commit f639d7794c
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GPG Key ID: 74C1BD403D2DF9B5
1 changed files with 25 additions and 1 deletions
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26
promql/parser/parse_test.go
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@ -3568,7 +3568,31 @@ func TestParseExpressions(t *testing.T) {
if !test.fail {
require.NoError(t, err)
require.Equal(t, test.expected, expr, "error on input '%s'", test.input)
expected := test.expected
// The FastRegexMatcher is not comparable with a deep equal, so only compare its String() version.
if actualVector, ok := expr.(*VectorSelector); ok {
require.IsType(t, &VectorSelector{}, test.expected, "error on input '%s'", test.input)
expectedVector := test.expected.(*VectorSelector)
require.Len(t, actualVector.LabelMatchers, len(expectedVector.LabelMatchers), "error on input '%s'", test.input)
for i := 0; i < len(actualVector.LabelMatchers); i++ {
expectedMatcher := expectedVector.LabelMatchers[i].String()
actualMatcher := actualVector.LabelMatchers[i].String()
require.Equal(t, expectedMatcher, actualMatcher, "unexpected label matcher '%s' on input '%s'", actualMatcher, test.input)
}
// Make a shallow copy of the expected expr (because the test cases are defined in a global variable)
// and then reset the LabelMatcher to not compared them with the following deep equal.
expectedCopy := *expectedVector
expectedCopy.LabelMatchers = nil
expected = &expectedCopy
actualVector.LabelMatchers = nil
}
require.Equal(t, expected, expr, "error on input '%s'", test.input)
} else {
require.Error(t, err)
require.Contains(t, err.Error(), test.errMsg, "unexpected error on input '%s', expected '%s', got '%s'", test.input, test.errMsg, err.Error())