featurebase/sql3/test/defs/defs_string_functions.go

package defs

// string function tests
var stringScalarFunctionsTests = TableTest{

	Table: tbl(
		"stringscalarfunctions",
		srcHdrs(
			srcHdr("_id", fldTypeID),
			srcHdr("a", fldTypeInt, "min 0", "max 1000"),
			srcHdr("b", fldTypeInt, "min 0", "max 1000"),
			srcHdr("ts", fldTypeTimestamp),
			srcHdr("a_string", fldTypeString),
		),
		srcRows(
			srcRow(int64(1), int64(10), int64(100), knownTimestamp(), "hello"),
		),
	),
	SQLTests: []SQLTest{
		{
			name: "ReverseString",
			SQLs: sqls(
				"select reverse('this')",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("siht")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "ReverseReverseString",
			SQLs: sqls(
				"select reverse(reverse('this'))",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("this")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "SubstringPositiveIndex",
			SQLs: sqls(
				"select substring('testing', 1, 3)",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("est")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "SubstringNegativeIndex",
			SQLs: sqls(
				"select substring('testing', -10, 14)",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("test")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "SubstringNoLength",
			SQLs: sqls(
				"select substring('testing', -5)",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("testing")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "ReverseSubstring",
			SQLs: sqls(
				"select reverse(substring('testing', 0))",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("gnitset")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "SubstringReverse",
			SQLs: sqls(
				"select substring(reverse('testing'), 3)",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("tset")),
			),
			Compare: CompareExactUnordered,
		},
		{
			name: "ConvertingStringtoUpper",
			SQLs: sqls(
				"select upper('this')",
			),
			ExpHdrs: hdrs(
				hdr("", fldTypeString),
			),
			ExpRows: rows(
				row(string("THIS")),
			),
			Compare: CompareExactOrdered,
		},
		{
			name: "IncorrectArgumentsforUpper",
			SQLs: sqls(
				"select upper('a','b')",
			),
			ExpErr: "'upper': count of formal parameters (1) does not match count of actual parameters (2)",
		},
		{
			name: "IncorrectInputforUpper",
			SQLs: sqls(
				"select upper(1)",
			),
			ExpErr: "string expression expected",
		},
	},
}