tests: Abstract logic into separate file

tests/lib.ts

@@ -0,0 +1,38 @@
+import { assert } from "https://deno.land/std@0.200.0/assert/mod.ts";
+import { walk } from "https://deno.land/std@0.200.0/fs/walk.ts";
+
+async function getFilesInDirectory(directory: string): Promise<string[]> {
+  const files = [];
+
+  for await (const walkEntry of walk(directory)) {
+    if (walkEntry.isFile) {
+      if (walkEntry.path.includes("default.nix")) continue
+      files.push(walkEntry.path)
+    }
+  }
+
+  return files
+}
+
+async function getImportsInFile(file: string): Promise<string[]> {
+  const text = await Deno.readTextFile(file);
+  const lines = text.split("\n")
+  const imports = [];
+
+  for (let i = 0; i < lines.length; i++) {
+    if (lines[i].includes("./")) {
+      imports.push(file.split("./")[1].split("/")[0] + "/" + lines[i].split("./")[1].split(" ")[0])
+    }
+  }
+
+  return imports
+}
+
+export async function assertAllModulesInDirectory(directory: string) {
+  const files = await getFilesInDirectory(`./${directory}`)
+  const imports = await getImportsInFile(`./${directory}/default.nix`)
+
+  for (const file of files) {
+    assert(imports.includes(file))
+  }
+}

tests/main.ts

@@ -1,41 +1,4 @@
-import { assert } from "https://deno.land/std@0.200.0/assert/mod.ts";
+import { assertAllModulesInDirectory } from "./lib.ts";
-import { walk } from "https://deno.land/std@0.200.0/fs/walk.ts";
-
-async function getFilesInDirectory(directory: string): Promise<string[]> {
-  const files = [];
-
-  for await (const walkEntry of walk(directory)) {
-    if (walkEntry.isFile) {
-      if (walkEntry.path.includes("default.nix")) continue
-      files.push(walkEntry.path)
-    }
-  }
-
-  return files
-}
-
-async function getImportsInFile(file: string): Promise<string[]> {
-  const text = await Deno.readTextFile(file);
-  const lines = text.split("\n")
-  const imports = [];
-
-  for (let i = 0; i < lines.length; i++) {
-    if (lines[i].includes("./")) {
-      imports.push(file.split("./")[1].split("/")[0] + "/" + lines[i].split("./")[1].split(" ")[0])
-    }
-  }
-
-  return imports
-}
-
-async function assertAllModulesInDirectory(directory: string) {
-  const files = await getFilesInDirectory(`./${directory}`)
-  const imports = await getImportsInFile(`./${directory}/default.nix`)
-
-  for (const file of files) {
-    assert(imports.includes(file))
-  }
-}
 
 const dirs = ["containers", "home", "modules", "overlays", "packages", "specializations"]