Пример #1
0
func TestProject(t *testing.T) {

	stubSource := NewStubSource(testData)

	project := NewProject(ast.ResultExpressionList{ast.NewResultExpressionWithAlias(ast.NewProperty("name"), "f_name")}, true)
	project.SetSource(stubSource)

	projectItemChannel, _ := project.GetChannels()

	stopChannel := make(misc.StopChannel)
	go project.Run(stopChannel)

	for item := range projectItemChannel {

		projection := item.GetAttachment("projection")
		projectionValue, ok := projection.(*dparval.Value)
		if !ok {
			t.Errorf("Expected item projection to be type Value")
		}
		_, err := projectionValue.Path("f_name")
		if err != nil {
			t.Errorf("unexpected error: %v", err)
		}
	}
}
Пример #2
0
func TestParserASTOutput(t *testing.T) {

	tests := []struct {
		input  string
		output ast.Statement
	}{
		{"SELECT * FROM test WHERE true",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    ast.NewLiteralBool(true),
				Limit:    -1,
			},
		},
		{"SELECT * FROM :apool.test WHERE true",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Pool: "apool", Projection: ast.NewProperty("test")},
				Where:    ast.NewLiteralBool(true),
				Limit:    -1,
			},
		},
		{"SELECT * FROM test ORDER BY foo",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    nil,
				OrderBy: []*ast.SortExpression{
					ast.NewSortExpression(ast.NewProperty("foo"), true),
				},
				Limit: -1,
			},
		},
		{"SELECT * FROM test LIMIT 10 OFFSET 3",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    nil,
				Limit:    10,
				Offset:   3,
			},
		},
		{"SELECT a FROM test",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpression(ast.NewProperty("a")),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT a FROM test t2",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpression(ast.NewProperty("a")),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test"), As: "t2"},
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT 1+1*30 as steve",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpressionWithAlias(ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewMultiplyOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(30.0))), "steve"),
				},
				Distinct: false,
				From:     nil,
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT 1+1*30 steve",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpressionWithAlias(ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewMultiplyOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(30.0))), "steve"),
				},
				Distinct: false,
				From:     nil,
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT DISTINCT 1+1*30 as steve",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpressionWithAlias(ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewMultiplyOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(30.0))), "steve"),
				},
				Distinct: true,
				From:     nil,
				Where:    nil,
				Limit:    -1,
			},
		},
		{"CREATE INDEX abv_idx ON beer-sample(abv) USING VIEW",
			&ast.CreateIndexStatement{
				Method: "view",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON beer-sample(abv) USING magic",
			&ast.CreateIndexStatement{
				Method: "magic",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON beer-sample(abv)",
			&ast.CreateIndexStatement{
				Method: "",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON :apool.beer-sample(abv) USING VIEW",
			&ast.CreateIndexStatement{
				Method: "view",
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON :apool.beer-sample(abv) USING magic",
			&ast.CreateIndexStatement{
				Method: "magic",
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON :apool.beer-sample(abv)",
			&ast.CreateIndexStatement{
				Method: "",
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"DROP INDEX beer-sample.abv",
			&ast.DropIndexStatement{
				Bucket: "beer-sample",
				Name:   "abv",
			},
		},
		{"DROP INDEX :apool.beer-sample.abv",
			&ast.DropIndexStatement{
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv",
			},
		},
	}

	n1qlParser := NewN1qlParser()

	for _, v := range tests {
		query, err := n1qlParser.Parse(v.input)
		if err != nil {
			t.Errorf("Valid Query Parse Failed: %v - %v", v, err)
		}

		if !reflect.DeepEqual(query, v.output) {
			t.Errorf("Expected %v, got %v", v.output, query)

			js, err := json.MarshalIndent(v.output, "", "  ")
			if err == nil {
				t.Logf("Expected %v", string(js))
			}

			js, err = json.MarshalIndent(query, "", "  ")
			if err == nil {
				t.Logf("Got %v", string(js))
			}

		}
	}

}