Doctests removed from GeoTIFFFormatter

lib/geotiff_formatter.ex

@@ -1,15 +1,4 @@
 defmodule GeoTIFFFormatter do
-  @doc ~S"""
-  Formats a single IFD.
-
-  ### Examples:
-
-    iex> tag = %{:tag => "Spam", :type => "EGGS", :value => 42, :count => 1}
-    iex> ifd = %{:offset => 42, :entries => 42, :next_ifd => 0, :tags => [tag]}
-    iex> headers = %{:filename => 'spam', :endianess => :little, :first_ifd_offset => 42, :ifds => [ifd]}
-    iex> GeoTIFFFormatter.format_headers headers
-    "\n====================================================\nFilename: spam\nEndianess: little\nFirst IFD: 42\n\nAvailable IFDs\n----------------------------------------------------\n  Offset: 42\n  Entries: 42\n  Next IFD: 0\n\n  Spam [EGGS]: 42 {count: 1}\n----------------------------------------------------\n\n====================================================\n"
-  """
   def format_headers(headers) do
     """
 
@@ -24,47 +13,23 @@ defmodule GeoTIFFFormatter do
     """
   end
 
-  @doc ~S"""
-  Formats a single IFD.
-
-  ### Examples:
-
-    iex> tag = %{:tag => "Spam", :type => "EGGS", :value => 42, :count => 1}
-    iex> ifd = %{:offset => 42, :entries => 42, :next_ifd => 0, :tags => [tag]}
-    iex> GeoTIFFFormatter.format_ifd ifd
-    "----------------------------------------------------\n  Offset: 42\n  Entries: 42\n  Next IFD: 0\n\n  Spam [EGGS]: 42 {count: 1}\n----------------------------------------------------\n"
-  """
   def format_ifd(ifd) do
     """
     ----------------------------------------------------
-      Offset: #{ifd.offset}
-      Entries: #{ifd.entries}
-      Next IFD: #{ifd.next_ifd}
+    Offset: #{ifd.offset}
+    Entries: #{ifd.entries}
+    Next IFD: #{ifd.next_ifd}
 
-    #{Enum.map(ifd.tags, &(format_tag(&1))) |> Enum.join("\n")}
+    #{Enum.map(ifd.tags, &(format_tag(&1))) |> Enum.join("\n")}  
     ----------------------------------------------------
     """
   end
-
-  @doc ~S"""
-  Formats a single TIFF tag.
-
-  ### Examples:
-
-    iex> tag = %{:tag => "Spam", :type => "EGGS", :value => 42, :count => 1}
-    iex> GeoTIFFFormatter.format_tag tag
-    "  Spam [EGGS]: 42 {count: 1}"
-
-    iex> tag = %{:tag => "Spam", :type => "EGGS", :value => [4, 2, 42], :count => 12}
-    iex> GeoTIFFFormatter.format_tag tag
-    "  Spam [EGGS]: [4, 2, 42] {count: 12}"
-  """
+
   def format_tag(tag) do
-    cond do
-      is_list(tag.value) ->
-        "  #{tag.tag} [#{tag.type}]: #{"[" <> (Enum.join tag.value, ", ") <> "]"} {count: #{tag.count}}"
-      true ->
-        "  #{tag.tag} [#{tag.type}]: #{tag.value} {count: #{tag.count}}"
+    if is_list(tag.value) do
+      "#{tag.tag} [#{tag.type}]: OFFSET {count: #{tag.count}}"
+    else
+      "#{tag.tag} [#{tag.type}]: #{tag.value} {count: #{tag.count}}"
     end
   end
 end

test/geotiff_formatter_test.exs

@@ -1,4 +1,48 @@
 defmodule GeoTIFFFormatterTest do
   use ExUnit.Case
-  doctest GeoTIFFFormatter
+
+  test 'format headers' do
+    expected_text = """
+   
+    ====================================================
+    Filename: spam.tiff
+    Endianess: little
+    First IFD: 42
+
+    Available IFDs
+
+    ====================================================
+    """
+    headers = %{ 
+      :filename => 'spam.tiff', 
+      :endianess => :little, 
+      :first_ifd_offset => 42,
+      :ifds => []
+    }
+
+    assert GeoTIFFFormatter.format_headers(headers) == expected_text
+  end
+
+  test 'format IFD' do
+    expected_text = """
+    ----------------------------------------------------
+    Offset: 42
+    Entries: 100
+    Next IFD: 82
+
+    Spam [text]: eggs {count: 42}  
+    ----------------------------------------------------
+    """
+    tag = %{ :tag => 'Spam', :type => 'text', :value => "eggs", :count => 42 }
+    ifd = %{ :offset => 42, :entries => 100, :next_ifd => 82, :tags => [ tag ] }
+
+    assert GeoTIFFFormatter.format_ifd(ifd) == expected_text
+  end
+
+  test 'format tag' do
+    tag = %{ :tag => 'Spam', :type => 'text', :value => "eggs", :count => 42 }
+    expected_text = "Spam [text]: eggs {count: 42}"
+
+    assert GeoTIFFFormatter.format_tag(tag) == expected_text
+  end
 end