Function TestScanString

query/expr/scanner_test.go:206–233

Ensure the library can correctly scan strings.

(t *testing.T)

// Ensure the library can correctly scan strings.
func TestScanString(t *testing.T) {
	var tests = []struct {
		in  string
		out string
		err string
	}{
		{in: `""`, out: ``},
		{in: `"foo bar"`, out: `foo bar`},
		{in: `'foo bar'`, out: `foo bar`},
		{in: `"foo\nbar"`, out: "foo\nbar"},
		{in: `"foo\\bar"`, out: `foo\bar`},
		{in: `"foo\"bar"`, out: `foo"bar`},
		{in: `'foo\'bar'`, out: `foo'bar`},

		{in: `"foo` + "\n", out: `foo`, err: "bad string"}, // newline in string
		{in: `"foo`, out: `foo`, err: "bad string"},        // unclosed quotes
		{in: `"foo\xbar"`, out: `\x`, err: "bad escape"},   // invalid escape
	}

	for i, tt := range tests {
		out, err := expr.ScanString(strings.NewReader(tt.in))
		if tt.err != errstring(err) {
			t.Errorf("%d. %s: error: exp=%s, got=%s", i, tt.in, tt.err, err)
		} else if tt.out != out {
			t.Errorf("%d. %s: out: exp=%s, got=%s", i, tt.in, tt.out, out)
		}
	}
}