6 files changed, 111 insertions, 46 deletions

diff --git a/test/lib/content-function.js b/test/lib/content-function.js
index bb12be82..5cb499b1 100644
--- a/test/lib/content-function.js
+++ b/test/lib/content-function.js
@@ -1,5 +1,6 @@
 import * as path from 'node:path';
 import {fileURLToPath} from 'node:url';
+import {inspect} from 'node:util';
 
 import chroma from 'chroma-js';
 
@@ -90,27 +91,92 @@ export function testContentFunctions(t, message, fn) {
       t.matchSnapshot(result, description);
     };
 
-    evaluate.stubTemplate = name => {
+    evaluate.stubTemplate = name =>
       // Creates a particularly permissable template, allowing any slot values
       // to be stored and just outputting the contents of those slots as-are.
+      _stubTemplate(name, false);
 
-      return new (class extends html.Template {
-        #slotValues = {};
+    evaluate.stubContentFunction = name =>
+      // Like stubTemplate, but instead of a template directly, returns
+      // an object describing a content function - suitable for passing
+      // into evaluate.mock.
+      _stubTemplate(name, true);
 
-        constructor() {
-          super({
-            content: () => `${name}: ${JSON.stringify(this.#slotValues)}`,
-          });
-        }
+    const _stubTemplate = (name, mockContentFunction) => {
+      const inspectNicely = (value, opts = {}) =>
+        inspect(value, {
+          ...opts,
+          colors: false,
+          sort: true,
+        });
 
-        setSlots(slotNamesToValues) {
-          Object.assign(this.#slotValues, slotNamesToValues);
-        }
+      const makeTemplate = formatContentFn =>
+        new (class extends html.Template {
+          #slotValues = {};
 
-        setSlot(slotName, slotValue) {
-          this.#slotValues[slotName] = slotValue;
-        }
-      });
+          constructor() {
+            super({
+              content: () => this.#getContent(formatContentFn),
+            });
+          }
+
+          setSlots(slotNamesToValues) {
+            Object.assign(this.#slotValues, slotNamesToValues);
+          }
+
+          setSlot(slotName, slotValue) {
+            this.#slotValues[slotName] = slotValue;
+          }
+
+          #getContent(formatContentFn) {
+            const toInspect =
+              Object.fromEntries(
+                Object.entries(this.#slotValues)
+                  .filter(([key, value]) => value !== null));
+
+            const inspected =
+              inspectNicely(toInspect, {
+                breakLength: Infinity,
+                compact: true,
+                depth: Infinity,
+              });
+
+            return formatContentFn(inspected); `${name}: ${inspected}`;
+          }
+        });
+
+      if (mockContentFunction) {
+        return {
+          data: (...args) => ({args}),
+          generate: (data) =>
+            makeTemplate(slots => {
+              const argsLines =
+                (empty(data.args)
+                  ? []
+                  : inspectNicely(data.args, {depth: Infinity})
+                      .split('\n'));
+
+              return (`[mocked: ${name}` +
+
+                (empty(data.args)
+                  ? ``
+               : argsLines.length === 1
+                  ? `\n args: ${argsLines[0]}`
+                  : `\n args: ${argsLines[0]}\n` +
+                    argsLines.slice(1).join('\n').replace(/^/gm, ' ')) +
+
+                (!empty(data.args)
+                  ? `\n `
+                  : ` - `) +
+
+                (slots
+                  ? `slots: ${slots}]`
+                  : `slots: none]`));
+            }),
+        };
+      } else {
+        return makeTemplate(slots => `${name}: ${slots}`);
+      }
     };
 
     evaluate.mock = (...opts) => {
diff --git a/test/snapshot/generateAlbumCoverArtwork.js b/test/snapshot/generateAlbumCoverArtwork.js
index 98632d39..b1c7885f 100644
--- a/test/snapshot/generateAlbumCoverArtwork.js
+++ b/test/snapshot/generateAlbumCoverArtwork.js
@@ -1,12 +1,14 @@
 import t from 'tap';
+
+import contentFunction from '#content-function';
 import {testContentFunctions} from '#test-lib';
 
 testContentFunctions(t, 'generateAlbumCoverArtwork (snapshot)', async (t, evaluate) => {
-  await evaluate.load();
-
-  const extraDependencies = {
-    getSizeOfImageFile: () => 0,
-  };
+  await evaluate.load({
+    mock: {
+      image: evaluate.stubContentFunction('image'),
+    },
+  });
 
   const album = {
     directory: 'bee-forus-seatbelt-safebee',
@@ -23,13 +25,11 @@ testContentFunctions(t, 'generateAlbumCoverArtwork (snapshot)', async (t, evalua
     name: 'generateAlbumCoverArtwork',
     args: [album],
     slots: {mode: 'primary'},
-    extraDependencies,
   });
 
   evaluate.snapshot('display: thumbnail', {
     name: 'generateAlbumCoverArtwork',
     args: [album],
     slots: {mode: 'thumbnail'},
-    extraDependencies,
   });
 });
diff --git a/test/snapshot/generateAlbumSecondaryNav.js b/test/snapshot/generateAlbumSecondaryNav.js
index a5cb2e91..709b062e 100644
--- a/test/snapshot/generateAlbumSecondaryNav.js
+++ b/test/snapshot/generateAlbumSecondaryNav.js
@@ -6,8 +6,8 @@ testContentFunctions(t, 'generateAlbumSecondaryNav (snapshot)', async (t, evalua
 
   let album, group1, group2;
 
-  group1 = {name: 'VCG', directory: 'vcg'};
-  group2 = {name: 'Bepis', directory: 'bepis'};
+  group1 = {name: 'VCG', directory: 'vcg', color: '#abcdef'};
+  group2 = {name: 'Bepis', directory: 'bepis', color: '#123456'};
 
   album = {
     date: new Date('2010-04-13'),
diff --git a/test/snapshot/generateCoverArtwork.js b/test/snapshot/generateCoverArtwork.js
index 21c91454..e35dd8d0 100644
--- a/test/snapshot/generateCoverArtwork.js
+++ b/test/snapshot/generateCoverArtwork.js
@@ -2,11 +2,11 @@ import t from 'tap';
 import {testContentFunctions} from '#test-lib';
 
 testContentFunctions(t, 'generateCoverArtwork (snapshot)', async (t, evaluate) => {
-  await evaluate.load();
-
-  const extraDependencies = {
-    getSizeOfImageFile: () => 0,
-  };
+  await evaluate.load({
+    mock: {
+      image: evaluate.stubContentFunction('image', {mock: true}),
+    },
+  });
 
   const artTags = [
     {name: 'Damara', directory: 'damara', isContentWarning: false},
@@ -21,13 +21,11 @@ testContentFunctions(t, 'generateCoverArtwork (snapshot)', async (t, evaluate) =
     name: 'generateCoverArtwork',
     args: [artTags],
     slots: {path, mode: 'primary'},
-    extraDependencies,
   });
 
   evaluate.snapshot('display: thumbnail', {
     name: 'generateCoverArtwork',
     args: [artTags],
     slots: {path, mode: 'thumbnail'},
-    extraDependencies,
   });
 });
diff --git a/test/snapshot/generateTrackCoverArtwork.js b/test/snapshot/generateTrackCoverArtwork.js
index 9e154703..03a181e7 100644
--- a/test/snapshot/generateTrackCoverArtwork.js
+++ b/test/snapshot/generateTrackCoverArtwork.js
@@ -2,11 +2,11 @@ import t from 'tap';
 import {testContentFunctions} from '#test-lib';
 
 testContentFunctions(t, 'generateTrackCoverArtwork (snapshot)', async (t, evaluate) => {
-  await evaluate.load();
-
-  const extraDependencies = {
-    getSizeOfImageFile: () => 0,
-  };
+  await evaluate.load({
+    mock: {
+      image: evaluate.stubContentFunction('image'),
+    },
+  });
 
   const album = {
     directory: 'bee-forus-seatbelt-safebee',
@@ -37,27 +37,23 @@ testContentFunctions(t, 'generateTrackCoverArtwork (snapshot)', async (t, evalua
     name: 'generateTrackCoverArtwork',
     args: [track1],
     slots: {mode: 'primary'},
-    extraDependencies,
   });
 
   evaluate.snapshot('display: thumbnail - unique art', {
     name: 'generateTrackCoverArtwork',
     args: [track1],
     slots: {mode: 'thumbnail'},
-    extraDependencies,
   });
 
   evaluate.snapshot('display: primary - no unique art', {
     name: 'generateTrackCoverArtwork',
     args: [track2],
     slots: {mode: 'primary'},
-    extraDependencies,
   });
 
   evaluate.snapshot('display: thumbnail - no unique art', {
     name: 'generateTrackCoverArtwork',
     args: [track2],
     slots: {mode: 'thumbnail'},
-    extraDependencies,
   });
 });
diff --git a/test/snapshot/transformContent.js b/test/snapshot/transformContent.js
index 25952856..b05beac1 100644
--- a/test/snapshot/transformContent.js
+++ b/test/snapshot/transformContent.js
@@ -2,7 +2,11 @@ import t from 'tap';
 import {testContentFunctions} from '#test-lib';
 
 testContentFunctions(t, 'transformContent (snapshot)', async (t, evaluate) => {
-  await evaluate.load();
+  await evaluate.load({
+    mock: {
+      image: evaluate.stubContentFunction('image'),
+    },
+  });
 
   const extraDependencies = {
     wikiData: {
@@ -11,8 +15,6 @@ testContentFunctions(t, 'transformContent (snapshot)', async (t, evaluate) => {
       ],
     },
 
-    getSizeOfImageFile: () => 0,
-
     to: (key, ...args) => `to-${key}/${args.join('/')}`,
   };
 
@@ -50,15 +52,18 @@ testContentFunctions(t, 'transformContent (snapshot)', async (t, evaluate) => {
 
   quickSnapshot(
     'non-inline image #2',
-      `Rad.\n<img src="spark.png">`);
+      `Rad.\n` +
+      `<img src="spark.png">`);
 
   quickSnapshot(
     'non-inline image #3',
-      `<img src="spark.png">\nBaller.`);
+      `<img src="spark.png">\n` +
+      `Baller.`);
 
   quickSnapshot(
     'dates',
-      `[[date:2023-04-13]] Yep!\nVery nice: [[date:25 October 2413]]`);
+      `[[date:2023-04-13]] Yep!\n` +
+      `Very nice: [[date:25 October 2413]]`);
 
   quickSnapshot(
     'super basic string',