Function TestSpansetExpressionPrecedence

pkg/traceql/parse_test.go:586–643

(t *testing.T)

}

func TestSpansetExpressionPrecedence(t *testing.T) {
	tests := []struct {
		in          string
		expected    SpansetOperation
		expectedStr string
	}{
		{
			in: "{ true } && { false } >> { `a` }",
			expected: newSpansetOperation(OpSpansetAnd,
				newSpansetFilter(NewStaticBool(true)),
				newSpansetOperation(OpSpansetDescendant, newSpansetFilter(NewStaticBool(false)), newSpansetFilter(NewStaticString("a"))),
			),
			expectedStr: "({ true }) && (({ false }) >> ({ `a` }))",
		},
		{
			in: "{ true } >> { false } && { `a` }",
			expected: newSpansetOperation(OpSpansetAnd,
				newSpansetOperation(OpSpansetDescendant, newSpansetFilter(NewStaticBool(true)), newSpansetFilter(NewStaticBool(false))),
				newSpansetFilter(NewStaticString("a")),
			),
			expectedStr: "(({ true }) >> ({ false })) && ({ `a` })",
		},
		{
			in: "({ true } >> { false }) && { `a` }",
			expected: newSpansetOperation(OpSpansetAnd,
				newSpansetOperation(OpSpansetDescendant, newSpansetFilter(NewStaticBool(true)), newSpansetFilter(NewStaticBool(false))),
				newSpansetFilter(NewStaticString("a")),
			),
			expectedStr: "(({ true }) >> ({ false })) && ({ `a` })",
		},
		{
			in: "{ true } >> { false } ~ { `a` }",
			expected: newSpansetOperation(OpSpansetSibling,
				newSpansetOperation(OpSpansetDescendant, newSpansetFilter(NewStaticBool(true)), newSpansetFilter(NewStaticBool(false))),
				newSpansetFilter(NewStaticString("a")),
			),
			expectedStr: "(({ true }) >> ({ false })) ~ ({ `a` })",
		},
		{
			in: "{ true } ~ { false } >> { `a` }",
			expected: newSpansetOperation(OpSpansetDescendant,
				newSpansetOperation(OpSpansetSibling, newSpansetFilter(NewStaticBool(true)), newSpansetFilter(NewStaticBool(false))),
				newSpansetFilter(NewStaticString("a")),
			),
			expectedStr: "(({ true }) ~ ({ false })) >> ({ `a` })",
		},
	}

	for _, tc := range tests {
		t.Run(tc.in, func(t *testing.T) {
			actual, err := Parse(tc.in)

			require.NoError(t, err)
			require.Equal(t, newRootExpr(newPipeline(tc.expected)), actual)
			require.Equal(t, tc.expectedStr, actual.String())
		})
	}
}