A few more tests for #188

Author: zachleat

src/Template.js

@@ -654,6 +654,14 @@ class Template extends TemplateContent {
 				);
 			}
 
+			filters = filters.map((extension) => {
+				if (extension.startsWith(".")) {
+					return extension;
+				}
+
+				return `.${extension}`;
+			});
+
 			if (!filters.some((extension) => extension === "*" || inputPath.endsWith(extension))) {
 				// skip
 				continue;

test/EleventyTest.js

@@ -1528,7 +1528,7 @@ test("#1419: Shortcode in a permalink", async (t) => {
   t.is(results[0].url, `/url-slug/`);
 });
 
-test("#188: Content preprocessing", async (t) => {
+test("#188: Content preprocessing (dot in file extension)", async (t) => {
   let elev = new Eleventy("./test/stubs-virtual/", undefined, {
     config: eleventyConfig => {
       eleventyConfig.addPreprocessor("drafts", ".njk", (data, content) => {
@@ -1547,3 +1547,64 @@ test("#188: Content preprocessing", async (t) => {
   t.is(results.length, 1);
   t.is(results[0].content, `Hello Before`);
 });
+
+test("#188: Content preprocessing (no dot in file extension)", async (t) => {
+  let elev = new Eleventy("./test/stubs-virtual/", undefined, {
+    config: eleventyConfig => {
+      eleventyConfig.addPreprocessor("drafts", "njk", (data, content) => {
+        if(data.draft) {
+          return false;
+        }
+        return `Hello ${content}`;
+      });
+
+      eleventyConfig.addTemplate("index.njk", "Before");
+      eleventyConfig.addTemplate("draft.njk", "Before", { draft: true });
+    }
+  });
+
+  let results = await elev.toJSON();
+  t.is(results.length, 1);
+  t.is(results[0].content, `Hello Before`);
+});
+
+
+test("#188: Content preprocessing (array, no dot in file extension)", async (t) => {
+  let elev = new Eleventy("./test/stubs-virtual/", undefined, {
+    config: eleventyConfig => {
+      eleventyConfig.addPreprocessor("drafts", ["njk"], (data, content) => {
+        if(data.draft) {
+          return false;
+        }
+        return `Hello ${content}`;
+      });
+
+      eleventyConfig.addTemplate("index.njk", "Before");
+      eleventyConfig.addTemplate("draft.njk", "Before", { draft: true });
+    }
+  });
+
+  let results = await elev.toJSON();
+  t.is(results.length, 1);
+  t.is(results[0].content, `Hello Before`);
+});
+
+test("#188: Content preprocessing (array, dot in file extension)", async (t) => {
+  let elev = new Eleventy("./test/stubs-virtual/", undefined, {
+    config: eleventyConfig => {
+      eleventyConfig.addPreprocessor("drafts", [".njk"], (data, content) => {
+        if(data.draft) {
+          return false;
+        }
+        return `Hello ${content}`;
+      });
+
+      eleventyConfig.addTemplate("index.njk", "Before");
+      eleventyConfig.addTemplate("draft.njk", "Before", { draft: true });
+    }
+  });
+
+  let results = await elev.toJSON();
+  t.is(results.length, 1);
+  t.is(results[0].content, `Hello Before`);
+});