120 lines
3.6 KiB
Go
120 lines
3.6 KiB
Go
// Copyright 2024 Dolthub, Inc.
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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 main
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import (
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"fmt"
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"sort"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/doltgresql/server/functions/framework"
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"github.com/dolthub/doltgresql/server/initialization"
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doltgresservercfg "github.com/dolthub/doltgresql/servercfg"
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"github.com/dolthub/doltgresql/testing/generation/utils"
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)
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// Assertion represents a single SELECT assertion.
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type Assertion struct {
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Stmt string
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Rows []sql.Row
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Error bool
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}
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func main() {
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initialization.Initialize(nil, doltgresservercfg.DefaultServerConfig())
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rootFolder, err := utils.GetRootFolder()
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if err != nil {
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fmt.Printf("%s\n", err.Error())
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return
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}
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rootFolder = rootFolder.MoveRoot("testing/generation/function_coverage")
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// Sort the strings for determinism, since range iteration on maps is non-deterministic
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functionNames := make([]string, 0, len(framework.Catalog))
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for functionName := range framework.Catalog {
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functionNames = append(functionNames, functionName)
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}
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sort.Strings(functionNames)
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for _, functionName := range functionNames {
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var assertions []Assertion
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utils.PrintSectionMarker(functionName, '+', 80)
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FunctionLoop:
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for _, function := range framework.Catalog[functionName] {
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var literalGeneratorParams []utils.StatementGenerator
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literalGeneratorParams = append(literalGeneratorParams, utils.Text(functionName+"("))
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for i, paramType := range function.GetParameters() {
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if i > 0 {
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literalGeneratorParams = append(literalGeneratorParams, utils.Text(", "))
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}
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if generator, ok := valueMappings[paramType.ID]; ok {
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literalGeneratorParams = append(literalGeneratorParams, generator)
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} else {
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fmt.Printf("missing support for functions with the parameter type: `%s`\n", paramType.String())
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continue FunctionLoop
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}
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}
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literalGeneratorParams = append(literalGeneratorParams, utils.Text(")"))
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literalGenerator := utils.Collection(
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utils.Text("SELECT"),
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utils.Collection(literalGeneratorParams...),
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utils.Text(";"),
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)
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randomInts, err := utils.GenerateRandomInts(500, literalGenerator.Permutations())
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if err != nil {
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fmt.Println(err.Error())
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continue FunctionLoop
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}
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for _, randomInt := range randomInts {
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literalGenerator.SetConsumeIterations(randomInt)
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assertion := Assertion{
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Stmt: literalGenerator.String(),
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Error: false,
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}
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result, _, err := QueryPostgres(assertion.Stmt)
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if err != nil {
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assertion.Error = true
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} else {
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// Some tests may generate enormous strings, so we'll skip those
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roughRowTotal := uint64(0)
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for _, v1 := range result {
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for _, v2 := range v1 {
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if stringVal, ok := v2.(string); ok {
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roughRowTotal += uint64(len(stringVal))
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}
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}
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}
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if roughRowTotal > 300 {
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continue
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}
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assertion.Rows = result
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}
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assertions = append(assertions, assertion)
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}
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}
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if len(assertions) > 0 {
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if err := GenerateTests(rootFolder, functionName, assertions); err != nil {
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fmt.Printf("%s\n", err.Error())
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return
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}
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}
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}
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}
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