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56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package planparserv2
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import (
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"testing"
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"github.com/antlr/antlr4/runtime/Go/antlr"
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"github.com/stretchr/testify/assert"
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antlrparser "github.com/milvus-io/milvus/internal/parser/planparserv2/generated"
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)
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func genNaiveInputStream() *antlr.InputStream {
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return antlr.NewInputStream("a > 2")
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}
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func Test_getLexer(t *testing.T) {
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var lexer *antlrparser.PlanLexer
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resetLexerPool()
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lexer = getLexer(genNaiveInputStream(), &errorListenerImpl{})
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assert.NotNil(t, lexer)
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lexer = getLexer(genNaiveInputStream(), &errorListenerImpl{})
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assert.NotNil(t, lexer)
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pool := getLexerPool()
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assert.Equal(t, pool.GetNumActive(), 2)
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assert.Equal(t, pool.GetNumIdle(), 0)
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putLexer(lexer)
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assert.Equal(t, pool.GetNumActive(), 1)
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assert.Equal(t, pool.GetNumIdle(), 1)
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}
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func Test_getParser(t *testing.T) {
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var lexer *antlrparser.PlanLexer
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var parser *antlrparser.PlanParser
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resetParserPool()
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lexer = getLexer(genNaiveInputStream(), &errorListenerImpl{})
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assert.NotNil(t, lexer)
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parser = getParser(lexer, &errorListenerImpl{})
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assert.NotNil(t, parser)
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parser = getParser(lexer, &errorListenerImpl{})
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assert.NotNil(t, parser)
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pool := getParserPool()
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assert.Equal(t, pool.GetNumActive(), 2)
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assert.Equal(t, pool.GetNumIdle(), 0)
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putParser(parser)
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assert.Equal(t, pool.GetNumActive(), 1)
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assert.Equal(t, pool.GetNumIdle(), 1)
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}
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