Fix (find-deps-edn nil) regression

Author: puredanger

src/main/clojure/clojure/tools/deps.clj

@@ -53,7 +53,7 @@
    (find-edn-maps nil))
   ([project-edn-file]
    (let [key-adapter {:root :root-edn, :user :user-edn, :project :project-edn}]
-     (-> (depsedn/create-edn-maps {:project project-edn-file})
+     (-> (depsedn/create-edn-maps (when project-edn-file {:project project-edn-file}))
        (update-keys key-adapter)))))
 
 (defn create-edn-maps

src/test/clojure/clojure/tools/deps/test_deps.clj

@@ -3,6 +3,7 @@
     [clojure.java.io :as jio]
     [clojure.test :refer [deftest is are testing]]
     [clojure.tools.deps :as deps]
+    [clojure.tools.deps.edn :as depsedn]
     [clojure.tools.deps.util :as util]
     [clojure.tools.deps.extensions :as ext]
     [clojure.tools.deps.extensions.faken :as fkn]
@@ -11,6 +12,27 @@
   (:import
     [java.io File]))
 
+(deftest test-find-edn-maps
+  (let [edn-maps (deps/find-edn-maps)]
+    (is (util/submap?
+          {:root-edn (depsedn/root-deps)
+           :user-edn (depsedn/user-deps)
+           :project-edn {:paths ["src/main/clojure" "src/main/resources"]
+                         :deps {}}}
+          edn-maps)))
+
+  (let [deps-file (File/createTempFile "tmp" ".edn")
+        tmp-dir (.getParentFile deps-file)
+        deps {:paths ["x"]}]
+    (spit deps-file deps)
+    (dir/with-dir tmp-dir
+      (let [edn-maps (deps/find-edn-maps (.getCanonicalPath deps-file))]
+        (is (util/submap?
+              {:root-edn (depsedn/root-deps)
+               :user-edn (depsedn/user-deps)
+               :project-edn {:paths ["x"]}}
+              edn-maps))))))
+
 (def repo
   ;; "real"
   {'org.clojure/clojure {{:fkn/version "1.9.0"}