Reorganize parser, introspection and merger test (#6857)

* Reorganize parser, introspection and merger test

* Add missing test fixtures

Author: martinbonnin

libraries/apollo-ast/src/commonTest/kotlin/com/apollographql/apollo/graphql/ast/test/CommonParserTest.kt

@@ -0,0 +1,65 @@
+package com.apollographql.apollo.graphql.ast.test
+
+import com.apollographql.apollo.ast.GQLField
+import com.apollographql.apollo.ast.GQLFieldDefinition
+import com.apollographql.apollo.ast.GQLObjectTypeDefinition
+import com.apollographql.apollo.ast.GQLOperationDefinition
+import com.apollographql.apollo.ast.parseAsGQLDocument
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class SourceLocationTest {
+  private inline fun <reified T> Any.cast() = this as T
+
+  @Test
+  fun endLineAndColumn() {
+    """
+      # comment before
+query Test {
+  # comment here
+  field(
+    first: 100
+    )
+}
+      """.trimIndent()
+        .parseAsGQLDocument()
+        .getOrThrow()
+        .definitions
+        .first()
+        .cast<GQLOperationDefinition>()
+        .selections
+        .first()
+        .cast<GQLField>()
+        .sourceLocation!!
+        .apply {
+          assertEquals(55, start)
+          assertEquals(82, end)
+          assertEquals(4, line)
+          assertEquals(3, column)
+        }
+  }
+
+  @Test
+  fun endLineAndColumn2() {
+    """
+      type Something { 
+        fieldA: String
+      }
+    """.trimIndent()
+        .parseAsGQLDocument()
+        .getOrThrow()
+        .definitions
+        .first()
+        .cast<GQLObjectTypeDefinition>()
+        .fields
+        .first()
+        .cast<GQLFieldDefinition>()
+        .sourceLocation!!
+        .apply {
+          assertEquals(20, start)
+          assertEquals(34, end)
+          assertEquals(2, line)
+          assertEquals(3, column)
+        }
+  }
+}

libraries/apollo-ast/src/commonTest/kotlin/com/apollographql/apollo/graphql/ast/test/SourceLocationTest.kt

@@ -1,6 +1,8 @@
 package com.apollographql.apollo.graphql.ast.test
 
+import com.apollographql.apollo.ast.GQLStringValue
 import com.apollographql.apollo.ast.encodeToGraphQLSingleQuoted
+import com.apollographql.apollo.ast.parseAsGQLValue
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -14,4 +16,23 @@ class StringTest {
   fun controlCodesAreEscaped() {
     assertEquals("\\n\\u0003", "\n\u0003".encodeToGraphQLSingleQuoted())
   }
+
+  @Test
+  fun blockString() {
+    val value = "\"\"\" \\\"\"\" \"\"\"".parseAsGQLValue().getOrThrow()
+
+    assertEquals(" \"\"\" ", (value as GQLStringValue).value)
+  }
+
+  @Test
+  fun blockStringIndentationIsRemoved() {
+    val value = ("\"\"\"\n" +
+        "  first line\n" +
+        "   \n" +
+        "  second line\n" +
+        "   \n" +
+        "\"\"\"").parseAsGQLValue().getOrThrow()
+
+    assertEquals("first line\n \nsecond line", (value as GQLStringValue).value)
+  }
 }

libraries/apollo-ast/src/commonTest/kotlin/com/apollographql/apollo/graphql/ast/test/StringTest.kt

@@ -0,0 +1,34 @@
+package com.apollographql.apollo.graphql.ast.test
+
+import com.apollographql.apollo.ast.introspection.toGQLDocument
+import com.apollographql.apollo.ast.introspection.toIntrospectionSchema
+import com.apollographql.apollo.ast.validateAsSchema
+import com.google.testing.junit.testparameterinjector.TestParameter
+import com.google.testing.junit.testparameterinjector.TestParameterInjector
+import com.google.testing.junit.testparameterinjector.TestParameterValuesProvider
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.io.File
+
+@RunWith(TestParameterInjector::class)
+class IntrospectionTest {
+  @Test
+  fun canReadIntrospectionResults(@TestParameter(valuesProvider = ParametersProvider::class) graphqlFile: File) {
+    graphqlFile
+        .toIntrospectionSchema()
+        .toGQLDocument()
+        .validateAsSchema()
+        .getOrThrow()
+  }
+
+  class ParametersProvider : TestParameterValuesProvider() {
+    override fun provideValues(context: Context?): List<File> {
+      return File("test-fixtures/introspection/")
+          .listFiles()!!
+          .filter { it.name.endsWith(".json") }
+          .filter {
+            testFilterMatches(it.name)
+          }
+    }
+  }
+}

libraries/apollo-ast/src/jvmTest/kotlin/com/apollographql/apollo/graphql/ast/test/IntrospectionTest.jvm.kt

@@ -0,0 +1,40 @@
+package com.apollographql.apollo.graphql.ast.test
+
+import com.apollographql.apollo.ast.MergeOptions
+import com.apollographql.apollo.ast.ParserOptions
+import com.apollographql.apollo.ast.mergeExtensions
+import com.apollographql.apollo.ast.parseAsGQLDocument
+import com.google.testing.junit.testparameterinjector.TestParameter
+import com.google.testing.junit.testparameterinjector.TestParameterInjector
+import com.google.testing.junit.testparameterinjector.TestParameterValuesProvider
+import org.junit.runner.RunWith
+import java.io.File
+import kotlin.test.Test
+
+@RunWith(TestParameterInjector::class)
+class MergerTest {
+  @Test
+  fun test(@TestParameter(valuesProvider = ParametersProvider::class) graphqlFile: File) {
+    checkExpected(graphqlFile) {
+      val pragmas = it.readLines().takeWhile { it.startsWith("# PRAGMA") }.map {
+        it.substring("# PRAGMA".length).trim()
+      }.toSet()
+      it.parseAsGQLDocument()
+          .getOrThrow()
+          .mergeExtensions(MergeOptions("allowMergingFieldDefinitions" in pragmas))
+          .serialize()
+    }
+  }
+
+  class ParametersProvider : TestParameterValuesProvider() {
+    override fun provideValues(context: Context?): List<File> {
+      return File("test-fixtures/merger/")
+          .listFiles()!!
+          .filter { it.name.endsWith(".graphql") && !it.name.endsWith(".expected.graphql") }
+          .sortedBy { it.name }
+          .filter {
+            testFilterMatches(it.name)
+          }
+    }
+  }
+}