mirror of
https://github.com/featurebasedb/featurebase.git
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74 lines
2.6 KiB
Go
74 lines
2.6 KiB
Go
// Copyright 2017 Pilosa Corp.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package pql_test
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import (
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"strings"
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"testing"
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"github.com/pilosa/pilosa/pql"
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)
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func TestScanner_Scan(t *testing.T) {
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var tests = []struct {
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name string
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s string
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tok pql.Token
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lit string
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pos pql.Pos
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}{
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// Special tokens (EOF, ILLEGAL, WS)
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{name: "EOF", s: ``, tok: pql.EOF},
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{name: "ILLEGAL", s: `#`, tok: pql.ILLEGAL, lit: `#`},
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{name: "WS/SPACE", s: ` `, tok: pql.WS, lit: " "},
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{name: "WS/TAB", s: "\t", tok: pql.WS, lit: "\t"},
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{name: "WS/NEWLINE", s: "\n", tok: pql.WS, lit: "\n"},
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{name: "ASSIGN", s: `=`, tok: pql.ASSIGN, lit: `=`},
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{name: "EQ", s: `==`, tok: pql.EQ, lit: `==`},
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{name: "NEQ", s: `!=`, tok: pql.NEQ, lit: `!=`},
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{name: "LT", s: `<`, tok: pql.LT, lit: `<`},
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{name: "LTE", s: `<=`, tok: pql.LTE, lit: `<=`},
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{name: "GT", s: `>`, tok: pql.GT, lit: `>`},
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{name: "GTE", s: `>=`, tok: pql.GTE, lit: `>=`},
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{name: "BETWEEN", s: `><`, tok: pql.BETWEEN, lit: `><`},
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{name: "COMMA", s: `,`, tok: pql.COMMA, lit: `,`},
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{name: "LPAREN", s: `(`, tok: pql.LPAREN, lit: `(`},
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{name: "RPAREN", s: `)`, tok: pql.RPAREN, lit: `)`},
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{name: "LBRACK", s: `[`, tok: pql.LBRACK, lit: `[`},
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{name: "RBRACK", s: `]`, tok: pql.RBRACK, lit: `]`},
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{name: "IDENT", s: `foo`, tok: pql.IDENT, lit: `foo`},
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{name: "INTEGER", s: `100`, tok: pql.INTEGER, lit: `100`},
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{name: "FLOAT", s: `100.3`, tok: pql.FLOAT, lit: `100.3`},
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{name: "ALL", s: `all`, tok: pql.ALL, lit: `all`},
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{name: "ALL/CASE", s: `ALL`, tok: pql.ALL, lit: `ALL`}, // case insensitive
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}
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for i, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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s := pql.NewScanner(strings.NewReader(tt.s))
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tok, pos, lit := s.Scan()
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if tt.tok != tok {
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t.Errorf("%d. %q token mismatch: exp=%q got=%q <%q>", i, tt.s, tt.tok, tok, lit)
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} else if tt.pos.Line != pos.Line || tt.pos.Char != pos.Char {
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t.Errorf("%d. %q pos mismatch: exp=%#v got=%#v", i, tt.s, tt.pos, pos)
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} else if tt.lit != lit {
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t.Errorf("%d. %q literal mismatch: exp=%q got=%q", i, tt.s, tt.lit, lit)
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}
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})
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}
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}
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