Add make-temporary-directory-migration rule

Closes #221.

default-recommendations.rkt

@@ -10,6 +10,7 @@
                resyntax/default-recommendations/conditional-shortcuts
                resyntax/default-recommendations/contract-shortcuts
                resyntax/default-recommendations/definition-shortcuts
+               resyntax/default-recommendations/file-io-suggestions
                resyntax/default-recommendations/for-loop-shortcuts
                resyntax/default-recommendations/function-definition-shortcuts
                resyntax/default-recommendations/function-shortcuts
@@ -37,6 +38,7 @@
          resyntax/default-recommendations/conditional-shortcuts
          resyntax/default-recommendations/contract-shortcuts
          resyntax/default-recommendations/definition-shortcuts
+         resyntax/default-recommendations/file-io-suggestions
          resyntax/default-recommendations/for-loop-shortcuts
          resyntax/default-recommendations/function-definition-shortcuts
          resyntax/default-recommendations/function-shortcuts
@@ -69,6 +71,7 @@
            (refactoring-suite-rules conditional-shortcuts)
            (refactoring-suite-rules contract-shortcuts)
            (refactoring-suite-rules definition-shortcuts)
+           (refactoring-suite-rules file-io-suggestions)
            (refactoring-suite-rules for-loop-shortcuts)
            (refactoring-suite-rules function-definition-shortcuts)
            (refactoring-suite-rules function-shortcuts)

default-recommendations/file-io-suggestions-test.rkt

@@ -0,0 +1,31 @@
+#lang resyntax/testing/refactoring-test
+
+
+require: resyntax/default-recommendations file-io-suggestions
+
+
+header:
+----------------------------------------
+#lang racket/base
+(require racket/file)
+----------------------------------------
+
+
+test: "should migrate make-temporary-file with 'directory to make-temporary-directory"
+- (void (make-temporary-file #:copy-from 'directory))
+- (void (make-temporary-directory))
+
+
+test: "should migrate make-temporary-file with template and 'directory to make-temporary-directory"
+- (void (make-temporary-file "footmp~a" #:copy-from 'directory))
+- (void (make-temporary-file "footmp~a" 'directory))
+- (void (make-temporary-directory "footmp~a"))
+
+
+test: "should migrate make-temporary-file with base-dir and 'directory to make-temporary-directory"
+- (void (make-temporary-file #:base-dir #false #:copy-from 'directory))
+- (void (make-temporary-directory #:base-dir #false))
+
+
+test: "should not migrate make-temporary-file without 'directory to make-temporary-directory"
+- (make-temporary-file #:copy-from #false)

default-recommendations/file-io-suggestions.rkt

@@ -0,0 +1,71 @@
+#lang racket/base
+
+
+(require racket/contract/base)
+
+
+(provide
+ (contract-out
+  [file-io-suggestions refactoring-suite?]))
+
+
+(require racket/file
+         racket/list
+         rebellion/private/static-name
+         resyntax/refactoring-rule
+         resyntax/refactoring-suite
+         syntax/parse)
+
+
+;@----------------------------------------------------------------------------------------------------
+
+
+(define-splicing-syntax-class function-call-argument
+  #:attributes (keyword expr)
+  (pattern (~seq expr:expr) #:attr keyword #false)
+  (pattern (~seq keyword:keyword expr:expr)))
+
+
+(define-splicing-syntax-class function-call-arguments
+  #:attributes ([positional 1] keyword)
+  (pattern (~seq arg:function-call-argument ...)
+    #:cut
+    #:with (positional ...)
+    (for/list ([expr (in-list (attribute arg.expr))]
+               [keyword (in-list (attribute arg.keyword))]
+               #:unless keyword)
+      expr)
+
+    #:attr keyword
+    (for/hasheq ([expr (in-list (attribute arg.expr))]
+                 [keyword (in-list (attribute arg.keyword))]
+                 #:when keyword)
+      (values (syntax-e keyword) expr))))
+
+
+(define-refactoring-rule make-temporary-directory-migration
+  #:description "Use `make-temporary-directory` to make directories instead of `make-temporary-file`."
+  #:literals (make-temporary-file)
+  #:datum-literals (quote directory)
+
+  (make-temporary-file args:function-call-arguments)
+  #:with 'directory
+  (or (and (>= (length (attribute args.positional)) 2)
+           (second (attribute args.positional)))
+      (hash-ref (attribute args.keyword) '#:copy-from #false))
+  #:cut
+  #:attr template-arg
+  (and (not (empty? (attribute args.positional)))
+       (first (attribute args.positional)))
+  #:attr base-dir-arg
+  (or (and (>= (length (attribute args.positional)) 3)
+           (third (attribute args.positional)))
+      (hash-ref (attribute args.keyword) '#:base-dir #false))
+
+  (make-temporary-directory (~? template-arg) (~? (~@ #:base-dir base-dir-arg))))
+
+
+(define file-io-suggestions
+  (refactoring-suite
+   #:name (name file-io-suggestions)
+   #:rules (list make-temporary-directory-migration)))