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d3e6f89829
* alias: more early work * alias: test cases working for sqlite * alias: SQL builder tests * alias: func (col expr) aliases now working for SQLite * linting * CHANGELOG update * Docs update * Docs update * Rename buildAst() -> buildAST() * CHANGELOG typo
42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package ast
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/neilotoole/lg/testlg"
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)
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func TestChildIndex(t *testing.T) {
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log := testlg.New(t).Strict(true)
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// `@mydb1 | .user, .address | join(.uid == .uid) | .uid, .username, .country`
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p := getSLQParser(fixtJoinQuery1)
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query := p.Query()
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ast, err := buildAST(log, query)
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require.Nil(t, err)
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require.NotNil(t, ast)
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require.Equal(t, 4, len(ast.Segments()))
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for i, seg := range ast.Segments() {
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index := nodeChildIndex(ast, seg)
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require.Equal(t, i, index)
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}
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}
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func TestNodesWithType(t *testing.T) {
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nodes := []Node{&ColSelector{}, &ColSelector{}, &TblSelector{}, &RowRange{}}
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require.Equal(t, 2, len(nodesWithType(nodes, typeColSelector)))
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require.Equal(t, 1, len(nodesWithType(nodes, typeTblSelector)))
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require.Equal(t, 1, len(nodesWithType(nodes, typeRowRange)))
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require.Equal(t, 0, len(nodesWithType(nodes, typeJoin)))
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}
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func TestAvg(t *testing.T) {
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const input = `@mydb1 | .user, .address | join(.user.uid == .address.uid) | .uid, .username, .country | .[0:2] | avg(.uid)` //nolint:lll
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ast := mustParse(t, input)
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require.NotNil(t, ast)
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}
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