Function TestScanner

pkg/filter/ql/lexer_test.go:26–94

(t *testing.T)

)

func TestScanner(t *testing.T) {
	var tests = []struct {
		s   string
		tok token
		lit string
		pos int
	}{
		// special tokens
		{s: ``, tok: EOF},
		{s: `#`, tok: Illegal, lit: `#`},
		{s: ` `, tok: WS, lit: " "},
		{s: "\t", tok: WS, lit: "\t"},

		// logical operators
		{s: `AND`, tok: And},
		{s: `and`, tok: And},
		{s: `OR`, tok: Or},
		{s: `or`, tok: Or},

		{s: `=`, tok: Eq},
		{s: `~=`, tok: IEq},
		{s: `<>`, tok: Neq},
		{s: `! `, tok: Illegal, lit: "!"},
		{s: `<`, tok: Lt},
		{s: `<=`, tok: Lte},
		{s: `>`, tok: Gt},
		{s: `>=`, tok: Gte},
		{s: `IN`, tok: In},
		{s: `in`, tok: In},

		// misc tokens
		{s: `(`, tok: Lparen},
		{s: `)`, tok: Rparen},
		{s: `,`, tok: Comma},
		{s: `|`, tok: Pipe},

		// identifiers
		{s: `foo`, tok: Ident, lit: `foo`},
		{s: `_foo`, tok: Ident, lit: `_foo`},
		{s: `Zx12_3U_-`, tok: Ident, lit: `Zx12_3U_`},
		{s: `"foo\"bar\""`, tok: Ident, lit: `foo"bar"`},

		// IP address
		{s: "172.17.0.1", tok: IP, lit: "172.17.0.1"},
		{s: "172.17.1", tok: BadIP, lit: "172.17.1"},
		{s: "172.317.1.2", tok: BadIP, lit: "172.317.1.2"},
		{s: "172.2.266.2", tok: BadIP, lit: "172.2.266.2"},

		// strings
		{s: `'testing 123!'`, tok: Str, lit: `testing 123!`},
		{s: `'foo\nbar'`, tok: Str, lit: "foo\nbar"},
		{s: `'foo\\bar'`, tok: Str, lit: "foo\\bar"},

		// numbers
		{s: "6.2323", tok: Decimal, lit: "6.2323"},
	}

	for i, tt := range tests {