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partiql-planner/src/test/kotlin/org/partiql/planner/PlanTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| package org.partiql.planner | ||
|
|
||
| import org.junit.jupiter.api.DynamicContainer | ||
| import org.junit.jupiter.api.DynamicContainer.dynamicContainer | ||
| import org.junit.jupiter.api.DynamicNode | ||
| import org.junit.jupiter.api.DynamicTest | ||
| import org.junit.jupiter.api.TestFactory | ||
| import org.partiql.parser.PartiQLParser | ||
| import org.partiql.plan.PlanNode | ||
| import org.partiql.plan.debug.PlanPrinter | ||
| import org.partiql.planner.test.PartiQLTest | ||
| import org.partiql.planner.test.PartiQLTestProvider | ||
| import org.partiql.planner.util.PlanNodeEquivalentVisitor | ||
| import org.partiql.planner.util.ProblemCollector | ||
| import org.partiql.plugins.memory.MemoryConnector | ||
| import org.partiql.types.BagType | ||
| import org.partiql.types.StaticType | ||
| import org.partiql.types.StructType | ||
| import org.partiql.types.TupleConstraint | ||
| import java.io.File | ||
| import java.nio.file.Path | ||
| import java.time.Instant | ||
| import java.util.stream.Stream | ||
| import kotlin.io.path.toPath | ||
|
|
||
| // Prevent Unintentional break of the plan | ||
| // We currently don't have a good way to assert on the result plan | ||
| // so we assert on having the partiql text. | ||
| // The input text and the normalized partiql text should produce identical plan. | ||
| // I.e., | ||
| // if the input text is `SELECT a,b,c FROM T` | ||
| // the produced plan will be identical as the normalized query: | ||
| // `SELECT "T"['a'] AS "a", "T"['b'] AS "b", "T"['c'] AS "c" FROM "default"."T" AS "T";` | ||
| class PlanTest { | ||
| val root: Path = this::class.java.getResource("/outputs")!!.toURI().toPath() | ||
|
|
||
| val input = PartiQLTestProvider().apply { load() } | ||
|
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| val session: (PartiQLTest.Key) -> PartiQLPlanner.Session = { key -> | ||
| PartiQLPlanner.Session( | ||
| queryId = key.toString(), | ||
| userId = "user_id", | ||
| currentCatalog = "default", | ||
| currentDirectory = listOf(), | ||
| instant = Instant.now(), | ||
| ) | ||
| } | ||
|
|
||
| val metadata = MemoryConnector.Metadata.of( | ||
| "default.t" to BagType( | ||
| StructType( | ||
| listOf( | ||
| StructType.Field("a", StaticType.BOOL), | ||
| StructType.Field("b", StaticType.INT4), | ||
| StructType.Field("c", StaticType.STRING), | ||
| StructType.Field( | ||
| "d", | ||
| StructType( | ||
| listOf(StructType.Field("e", StaticType.STRING)), | ||
| contentClosed = true, | ||
| emptyList(), | ||
| setOf(TupleConstraint.Open(false)), | ||
| emptyMap() | ||
| ) | ||
| ), | ||
| StructType.Field("x", StaticType.ANY), | ||
| StructType.Field("z", StaticType.STRING), | ||
| StructType.Field("v", StaticType.STRING), | ||
| ), | ||
| contentClosed = true, | ||
| emptyList(), | ||
| setOf(TupleConstraint.Open(false)), | ||
| emptyMap() | ||
| ) | ||
| ) | ||
| ) | ||
|
|
||
| val pipeline: (PartiQLTest) -> PartiQLPlanner.Result = { test -> | ||
| val problemCollector = ProblemCollector() | ||
| val ast = PartiQLParser.default().parse(test.statement).root | ||
| val planner = PartiQLPlannerBuilder() | ||
| .addCatalog("default", metadata) | ||
| .build() | ||
| planner.plan(ast, session(test.key), problemCollector) | ||
| } | ||
|
|
||
| @TestFactory | ||
| fun factory(): Stream<DynamicNode> { | ||
| val r = root.toFile() | ||
| return r | ||
| .listFiles { f -> f.isDirectory }!! | ||
| .mapNotNull { load(r, it) } | ||
| .stream() | ||
| } | ||
|
|
||
| private fun load(parent: File, file: File): DynamicNode? = when { | ||
| file.isDirectory -> loadD(parent, file) | ||
| file.extension == "sql" -> loadF(parent, file) | ||
| else -> null | ||
| } | ||
|
|
||
| private fun loadD(parent: File, file: File): DynamicContainer { | ||
| val name = file.name | ||
| val children = file.listFiles()!!.map { load(file, it) } | ||
| return dynamicContainer(name, children) | ||
| } | ||
|
|
||
| private fun loadF(parent: File, file: File): DynamicContainer { | ||
| val group = parent.name | ||
| val tests = parse(group, file) | ||
|
|
||
| val children = tests.map { | ||
| // Prepare | ||
| val displayName = it.key.toString() | ||
|
|
||
| // Assert | ||
| DynamicTest.dynamicTest(displayName) { | ||
| val input = input[it.key] ?: error("no test cases") | ||
|
|
||
| val inputPlan = pipeline.invoke(input).plan | ||
| val outputPlan = pipeline.invoke(it).plan | ||
| assert(inputPlan.isEquaivalentTo(outputPlan)) { | ||
| buildString { | ||
| this.appendLine("expect plan equivalence") | ||
| PlanPrinter.append(this, inputPlan) | ||
| PlanPrinter.append(this, outputPlan) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return dynamicContainer(file.nameWithoutExtension, children) | ||
| } | ||
|
|
||
| private fun parse(group: String, file: File): List<PartiQLTest> { | ||
| val tests = mutableListOf<PartiQLTest>() | ||
| var name = "" | ||
| val statement = StringBuilder() | ||
| for (line in file.readLines()) { | ||
| // start of test | ||
| if (line.startsWith("--#[") and line.endsWith("]")) { | ||
| name = line.substring(4, line.length - 1) | ||
| statement.clear() | ||
| } | ||
| if (name.isNotEmpty() && line.isNotBlank()) { | ||
| // accumulating test statement | ||
| statement.appendLine(line) | ||
| } else { | ||
| // skip these lines | ||
| continue | ||
| } | ||
| // Finish & Reset | ||
| if (line.endsWith(";")) { | ||
| val key = PartiQLTest.Key(group, name) | ||
| tests.add(PartiQLTest(key, statement.toString())) | ||
| name = "" | ||
| statement.clear() | ||
| } | ||
| } | ||
| return tests | ||
| } | ||
|
|
||
| private fun PlanNode.isEquaivalentTo(other: PlanNode): Boolean = | ||
| PlanNodeEquivalentVisitor().visit(this, other) | ||
| } |
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