add unit tests for loading files with josm.open(...)

Author: Gubaer

src/test/unit/groovy/org/openstreetmap/josm/plugins/scripting/graalvm/api/JOSMInputTest.groovy

@@ -0,0 +1,113 @@
+package org.openstreetmap.josm.plugins.scripting.graalvm.api
+
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.openstreetmap.josm.plugins.scripting.graalvm.AbstractGraalVMBasedTest
+import org.openstreetmap.josm.plugins.scripting.graalvm.GraalVMFacadeFactory
+import org.openstreetmap.josm.plugins.scripting.graalvm.IGraalVMFacade
+
+class JOSMInputTest extends AbstractGraalVMBasedTest {
+
+    private IGraalVMFacade facade
+
+    @BeforeEach
+    void initGraalVMFacade() {
+        facade = GraalVMFacadeFactory.getOrCreateGraalVMFacade()
+    }
+
+    @AfterEach
+    void resetGraalVMFacade() {
+        if (facade != null) {
+            facade.resetContext()
+        }
+    }
+
+    @Test
+    void "can load _DOT_osm file"() {
+        final file = new File(
+            getProjectHome(),
+            "src/test/resources/sample-data-files/test-josm-open.osm")
+
+        final src = """
+        const josm = require('josm')
+        josm.open('$file.absolutePath')
+        """
+        facade.eval(graalJSDescriptor, src)
+    }
+
+    @Test
+    void "can load _DOT_gpx file"() {
+        final file = new File(
+            getProjectHome(),
+            "src/test/resources/sample-data-files/test-josm-open.gpx")
+
+        final src = """
+        const josm = require('josm')
+        josm.open('$file.absolutePath')
+        """
+        facade.eval(graalJSDescriptor, src)
+    }
+
+    @Test
+    void "can load _DOT_osm_DOT_gz file"() {
+        final file = new File(
+            getProjectHome(),
+            "src/test/resources/sample-data-files/test-datasetutil-load.osm.gz")
+
+        final src = """
+        const josm = require('josm')
+        josm.open('$file.absolutePath')
+        """
+        facade.eval(graalJSDescriptor, src)
+    }
+
+    @Test
+    void "can load _DOT_osc file"() {
+        final file = new File(
+            getProjectHome(),
+            "src/test/resources/sample-data-files/test-datasetutil-load.osc")
+
+        final src = """
+        const josm = require('josm')
+        josm.open('$file.absolutePath')
+        """
+        facade.eval(graalJSDescriptor, src)
+    }
+
+    @Test
+    void "can load multiple files"() {
+        final files = [
+            new File(
+                getProjectHome(),
+                "src/test/resources/sample-data-files/test-datasetutil-load.osc"),
+            new File(
+                getProjectHome(),
+                "src/test/resources/sample-data-files/test-josm-open.gpx"),
+            new File(
+                getProjectHome(),
+                "src/test/resources/sample-data-files/test-josm-open.osm")
+        ]
+
+        final src = """
+        const josm = require('josm')
+        josm.open('${files[0].absolutePath}', '${files[1].absolutePath}', '${files[2].absolutePath}')
+        """
+        facade.eval(graalJSDescriptor, src)
+    }
+
+    @Test
+    void "can open a file with a File object"() {
+        final file = new File(
+            getProjectHome(),
+            "src/test/resources/sample-data-files/test-josm-open.osm")
+
+        final src = """
+        const josm = require('josm')
+        const File = Java.type('java.io.File')
+        const file = new File('$file.absolutePath')
+        josm.open(file)
+        """
+        facade.eval(graalJSDescriptor, src)
+    }
+}