Ansi codes now respect indentation

Bumped fipp to 0.6.21 to pick up brandonbloom/fipp#66
which resolves greglook#44.

To verify, beefed up ansi unit tests to include a test that almost matches
example in puget README and a test that clearly shows indentation.

Of note: While developing these tests I used kaocha because it has excellent
expected vs actual diff reporting. Because kaocha uses puget, I figured it might
not be the best idea to use kaocha for puget testing and therefore have not
proposed to include it.

project.clj

@@ -14,7 +14,7 @@
   :dependencies
   [[org.clojure/clojure "1.10.0"]
    [mvxcvi/arrangement "1.2.0"]
-   [fipp "0.6.17"]]
+   [fipp "0.6.21"]]
 
   :cljfmt
   {:remove-consecutive-blank-lines? false

test/puget/color/ansi_test.clj

@@ -1,11 +1,134 @@
 (ns puget.color.ansi-test
   (:require
+    [clojure.string :as str]
     [clojure.test :refer :all]
-    [puget.color.ansi :as ansi]))
+    [puget.color.ansi :as ansi]
+    [puget.printer :as printer]))
+
+
+(def c-delimiter       [:bold :red])
+(def c-tag             [:red])
+(def c-nil             [:bold :black])
+(def c-boolean         [:green])
+(def c-number          [:cyan])
+(def c-string          [:bold :magenta])
+(def c-character       [:magenta])
+(def c-keyword         [:bold :yellow])
+(def c-symbol          nil)
+(def c-function-symbol [:bold :blue])
+(def c-class-delimiter [:blue])
+(def c-class-name      [:white])
+
+
+(def test-color-scheme
+  {:delimiter       c-delimiter
+   :tag             c-tag
+   :nil             c-nil
+   :boolean         c-boolean
+   :number          c-number
+   :string          c-string
+   :character       c-character
+   :keyword         c-keyword
+   :symbol          c-symbol
+   :function-symbol c-function-symbol
+   :class-delimiter c-class-delimiter
+   :class-name      c-class-name})
+
+
+(defn- escape-ansi
+  "In the name of testability, split 's' into segments and replace ESC[1;23]m with printable ⦕1;23⦖."
+  [s]
+  (-> s
+      (str/replace #"\u001b\[([0-9;]*)[mK]" "፨⦕$1⦖፨")
+      (str/split #"፨")
+      (->> (filter seq))))
+
+
+(defn- ansi [text codes]
+  (apply ansi/sgr text codes))
 
 
 (deftest colored-text
   (let [text "foo"
         color (ansi/sgr text :red)]
     (is (< (count text) (count color)))
     (is (= text (ansi/strip color)))))
+
+
+(deftest ansi-example-test
+  (let [test-data [nil true \space "string"
+                   {:omega 123N :alpha '(func x y) :gamma 3.14159}
+                   #{\a "heterogeneous" :set}
+                   #_(java.util.Currency/getInstance "USD")
+                   (java.util.Date. 1570322071178)
+                   (java.util.UUID/fromString "b537346e-8ad1-4bce-8bab-60fcd4007530")]]
+    (is (= (escape-ansi
+             (str (ansi "[" c-delimiter)
+                  (ansi "nil" c-nil)
+                  "\n " (ansi "true" c-boolean)
+                  "\n " (ansi "\\space" c-character)
+                  "\n " (ansi "\"string\"" c-string)
+
+                  "\n " (ansi "{" c-delimiter)
+                  (ansi ":alpha" c-keyword)
+                  " " (ansi "(" c-delimiter) (ansi "func" c-function-symbol) " x y" (ansi ")" c-delimiter)
+                  ", " (ansi ":gamma" c-keyword) " " (ansi "3.14159" c-number)
+                  ", " (ansi ":omega" c-keyword) " " (ansi "123N" c-number)
+                  (ansi "}" c-delimiter)
+
+                  "\n " (ansi "#{" c-delimiter)
+                  (ansi "\\a" c-character)
+                  " " (ansi "\"heterogeneous\"" c-string)
+                  " " (ansi ":set" c-keyword)
+                  (ansi "}" c-delimiter)
+
+                  "\n " (ansi "#inst" c-tag)
+                  " " (ansi "\"2019-10-06T00:34:31.178-00:00\"" c-string)
+
+                  "\n " (ansi "#uuid" c-tag)
+                  " " (ansi "\"b537346e-8ad1-4bce-8bab-60fcd4007530\"" c-string)
+                  (ansi "]" c-delimiter)))
+           (escape-ansi
+             (printer/cprint-str test-data
+                                 {:color-markup :ansi
+                                  :color-scheme test-color-scheme}))))))
+
+
+(deftest ansi-nested-test
+  (let [test-data ["item1"
+                   ["item2"
+                    ["item3"
+                     ["item4"
+                      ["item5"
+                       ["item6"
+                        ["item7"
+                         ["item8"
+                          ["item9"
+                           ["item10"
+                            ["item11"
+                             ["item12"
+                              ["item13"
+                               ["item14"
+                                ["item15"]]]]]]]]]]]]]]]]
+    (is (= (escape-ansi
+             (str (ansi "[" c-delimiter)
+                  (ansi "\"item1\"" c-string)
+                  "\n " (ansi "[" c-delimiter) (ansi "\"item2\"" c-string)
+                  "\n  " (ansi "[" c-delimiter) (ansi "\"item3\"" c-string)
+                  "\n   " (ansi "[" c-delimiter) (ansi "\"item4\"" c-string)
+                  "\n    " (ansi "[" c-delimiter) (ansi "\"item5\"" c-string)
+                  "\n     " (ansi "[" c-delimiter) (ansi "\"item6\"" c-string)
+                  "\n      " (ansi "[" c-delimiter) (ansi "\"item7\"" c-string)
+                  "\n       " (ansi "[" c-delimiter) (ansi "\"item8\"" c-string)
+                  "\n        " (ansi "[" c-delimiter) (ansi "\"item9\"" c-string)
+                  "\n         " (ansi "[" c-delimiter) (ansi "\"item10\"" c-string)
+                  " " (ansi "[" c-delimiter) (ansi "\"item11\"" c-string)
+                  " " (ansi "[" c-delimiter) (ansi "\"item12\"" c-string)
+                  " " (ansi "[" c-delimiter) (ansi "\"item13\"" c-string)
+                  " " (ansi "[" c-delimiter) (ansi "\"item14\"" c-string)
+                  " " (ansi "[" c-delimiter) (ansi "\"item15\"" c-string)
+                  (apply str (repeat 15 (ansi "]" c-delimiter)))))
+           (escape-ansi
+             (printer/cprint-str test-data
+                                 {:color-markup :ansi
+                                  :color-scheme test-color-scheme}))))))