X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FFilesystemTemplateTest.java;fp=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FFilesystemTemplateTest.java;h=cd989eb04593f3b669e48f6638c20ead22cb82be;hb=cc18e5878bc71081da5137eb777d91821c3f4cce;hp=0000000000000000000000000000000000000000;hpb=4976669a17eb72bb7451edcf367c0956a40a8c2f;p=Sone.git

diff --git a/src/test/java/net/pterodactylus/sone/template/FilesystemTemplateTest.java b/src/test/java/net/pterodactylus/sone/template/FilesystemTemplateTest.java
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+++ b/src/test/java/net/pterodactylus/sone/template/FilesystemTemplateTest.java
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+package net.pterodactylus.sone.template;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.Arrays;
+import java.util.concurrent.atomic.AtomicReference;
+
+import net.pterodactylus.util.template.Part;
+import net.pterodactylus.util.template.TemplateContext;
+import net.pterodactylus.util.template.TemplateException;
+
+import com.google.common.base.Charsets;
+import com.google.common.io.Files;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Unit test for {@link FilesystemTemplate}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class FilesystemTemplateTest {
+
+	private final File tempFile;
+	private final FilesystemTemplate filesystemTemplate;
+	private final AtomicReference<StringWriter> stringWriter = new AtomicReference<StringWriter>(new StringWriter());
+	private final TemplateContext templateContext = new TemplateContext();
+
+	public FilesystemTemplateTest() throws IOException {
+		tempFile = File.createTempFile("template-", ".dat");
+		writeTemplate("Text");
+		filesystemTemplate = new FilesystemTemplate(tempFile.getAbsolutePath());
+	}
+
+	private void writeTemplate(String text) throws IOException {
+		Files.write(text + ".<%foreach values value><% value><%/foreach>", tempFile, Charsets.UTF_8);
+	}
+
+	@Before
+	public void setupTemplateContext() {
+		templateContext.set("values", Arrays.asList("a", 1));
+	}
+
+	@Test(expected = FilesystemTemplate.TemplateFileNotFoundException.class)
+	public void loadingTemplateFromNonExistingFileThrowsException() throws IOException {
+		FilesystemTemplate filesystemTemplate = new FilesystemTemplate("/a/b/c.dat");
+		filesystemTemplate.getInitialContext();
+	}
+
+	@Test
+	public void templateCanBeLoadedFromTheFilesystem() {
+		filesystemTemplate.render(templateContext, stringWriter.get());
+		assertThat(getRenderedString(), is("Text.a1"));
+	}
+
+	@Test
+	public void templateCanBeReloaded() throws IOException, InterruptedException {
+		filesystemTemplate.render(templateContext, stringWriter.get());
+		assertThat(getRenderedString(), is("Text.a1"));
+		Thread.sleep(1000);
+		writeTemplate("New");
+		filesystemTemplate.render(templateContext, stringWriter.get());
+		assertThat(getRenderedString(), is("New.a1"));
+	}
+
+	@Test
+	public void templateIsNotReloadedIfNotChanged() {
+		filesystemTemplate.render(templateContext, stringWriter.get());
+		assertThat(getRenderedString(), is("Text.a1"));
+		filesystemTemplate.render(templateContext, stringWriter.get());
+		assertThat(getRenderedString(), is("Text.a1"));
+	}
+
+	private String getRenderedString() {
+		String renderedString = stringWriter.get().toString();
+		stringWriter.set(new StringWriter());
+		return renderedString;
+	}
+
+	@Test
+	public void initialContextIsCopiedToReloadedTemplates() throws IOException, InterruptedException {
+		filesystemTemplate.getInitialContext().set("values", "test");
+		Thread.sleep(1000);
+		writeTemplate("New");
+		assertThat(filesystemTemplate.getInitialContext().get("values"), is((Object) "test"));
+	}
+
+	@Test
+	public void partsAreCopiedToReloadedTemplates() throws InterruptedException, IOException {
+		filesystemTemplate.add(new Part() {
+			@Override
+			public void render(TemplateContext templateContext, Writer writer) throws TemplateException {
+				try {
+					writer.write(".Test");
+				} catch (IOException e) {
+					throw new TemplateException(e);
+				}
+			}
+		});
+		Thread.sleep(1000);
+		writeTemplate("New");
+		filesystemTemplate.render(templateContext, stringWriter.get());
+		assertThat(getRenderedString(), is("New.a1.Test"));
+	}
+
+}