Add zero length mash & misc ingredients.

src/synthale/recipes.py

@@ -63,7 +63,7 @@ class MarkdownRecipe:
     @property
     def markdown(self):
         """Return generated markdown for the recipe."""
-        return '\n'.join((
+        md = '\n'.join((
             self.name,
             '',
             self.style,
@@ -76,12 +76,16 @@ class MarkdownRecipe:
             '',
             self.yeast,
             '',
-            self.miscs,
-            '',
-            self.mash,
-            '',
         ))
 
+        if len(self.miscs) > 0:
+            md += '\n'.join(('', self.miscs, '',))
+
+        if len(self.mash) > 0:
+            md += '\n'.join(('', self.mash, '',))
+
+        return md
+
     @property
     def name(self):
         """Return markdown for the recipe's name."""
@@ -211,6 +215,9 @@ class MarkdownRecipe:
     @property
     def miscs(self):
         """Return the markdown to represent the recipe's other ingredients."""
+        if len(self.recipe.miscs) == 0:
+            return ''
+
         headers = ('Name', 'Use', 'Amount')
         rows = []
         for misc in self.recipe.miscs:
@@ -235,6 +242,9 @@ class MarkdownRecipe:
     @property
     def mash(self):
         """Return the markdown to represent the recipe's mash steps."""
+        if self.recipe.mash is None:
+            return ''
+
         headers = ('Name', 'Type', 'Temperature', 'Time', 'Amount')
         rows = []
         for step in self.recipe.mash.steps:

tests/recipes/weizen.xml

@@ -87,21 +87,6 @@
       </YEAST>
     </YEASTS>
     <MISCS/>
-    <MASH>
-      <NAME>Single Step Infusion, 148 F</NAME>
-      <VERSION>1</VERSION>
-      <GRAIN_TEMP>22.0</GRAIN_TEMP>
-      <MASH_STEPS>
-        <MASH_STEP>
-          <NAME>Infusion</NAME>
-          <VERSION>1</VERSION>
-          <TYPE>Infusion</TYPE>
-          <STEP_TEMP>64.4444</STEP_TEMP>
-          <STEP_TIME>60.0</STEP_TIME>
-          <INFUSE_AMOUNT>17.0344</INFUSE_AMOUNT>
-        </MASH_STEP>
-      </MASH_STEPS>
-    </MASH>
     <TYPE>All Grain</TYPE>
     <BREWER>Mike Shoup</BREWER>
     <BATCH_SIZE>20.81976479</BATCH_SIZE>

tests/test_recipes.py

@@ -140,7 +140,7 @@ def test_recipe_yeast(md_weizen):
     )
 
 
-def test_recipe_miscs(md_coffee_stout):
+def test_recipe_miscs(md_coffee_stout, md_weizen):
     """Test valid miscellaneous ingredient table is generated."""
     assert md_coffee_stout.miscs == (
         'Other Ingredients\n'
@@ -168,17 +168,39 @@ def test_recipe_miscs(md_coffee_stout):
         '| Coffee (Brewed) | Keg | 0.71 kg |'
     )
 
+    assert md_weizen.miscs == ''
 
-def test_recipe_mash(md_coffee_stout):
+
+def test_recipe_mash(md_coffee_stout, md_weizen):
     """Test valid recipe mash table."""
     assert md_coffee_stout.mash == (
         'Mash\n'
         '----\n'
         '| Name     | Type     | Temperature | Time   | Amount  |\n'
-        '| -------- | -------- | ----------- | ------ | -------- |\n'
+        '| -------- | -------- | ----------- | ------ | ------- |\n'
-        '| Infusion | Infusion | 152.0 °F    | 60 min | 37.55 lb |'
+        '| Infusion | Infusion | 152.0 °F    | 60 min | 4.5 gal |'
     )
 
+    md_coffee_stout.temp_unit = 'celsius'
+    assert md_coffee_stout.mash == (
+        'Mash\n'
+        '----\n'
+        '| Name     | Type     | Temperature | Time   | Amount  |\n'
+        '| -------- | -------- | ----------- | ------ | ------- |\n'
+        '| Infusion | Infusion | 66.7 °C     | 60 min | 4.5 gal |'
+    )
+
+    md_coffee_stout.vol_unit = 'liters'
+    assert md_coffee_stout.mash == (
+        'Mash\n'
+        '----\n'
+        '| Name     | Type     | Temperature | Time   | Amount |\n'
+        '| -------- | -------- | ----------- | ------ | ------ |\n'
+        '| Infusion | Infusion | 66.7 °C     | 60 min | 17.0 L |'
+    )
+
+    assert md_weizen.mash == ''
+
 
 def test_write_recipes(md_recipes, tmpdir):
     """Test write_recipes function."""