Modify toLegacyTable to cut up cells, add tests

Now a cell with dimension (h, w) will be cut up into h*w cells of
dimension (1,1), all in the same grid position, with the upper-left
holding the original cell contents and the rest being empty.

1 files changed, 61 insertions, 0 deletions

diff --git a/test/Tests/Shared.hs b/test/Tests/Shared.hs
index 2f934ca08..09391d9d0 100644
--- a/test/Tests/Shared.hs
+++ b/test/Tests/Shared.hs
@@ -20,6 +20,7 @@ import Test.Tasty.HUnit (assertBool, testCase, (@?=))
 import Text.Pandoc.Arbitrary ()
 import Text.Pandoc.Builder
 import Text.Pandoc.Shared
+import Text.Pandoc.Writers.Shared (toLegacyTable)
 
 tests :: [TestTree]
 tests = [ testGroup "compactifyDL"
@@ -29,6 +30,7 @@ tests = [ testGroup "compactifyDL"
                in  compactifyDL x == x)
           ]
         , testGroup "collapseFilePath" testCollapse
+        , testGroup "toLegacyTable" testLegacyTable
         ]
 
 testCollapse :: [TestTree]
@@ -51,3 +53,62 @@ testCollapse = map (testCase "collapse")
  ,  collapseFilePath (joinPath [ "parent","foo",".."]) @?= (joinPath [ "parent"])
  ,  collapseFilePath (joinPath [ "","parent","foo","..","..","bar"]) @?= (joinPath [ "","bar"])
  ,  collapseFilePath (joinPath [ "",".","parent","foo"]) @?= (joinPath [ "","parent","foo"])]
+
+testLegacyTable :: [TestTree]
+testLegacyTable =
+  [ testCase "decomposes a table with head" $ gen1 @?= expect1
+  , testCase "decomposes a table without head" $ gen2 @?= expect2
+  ]
+  where
+    pln = toList . plain . str
+    cl a h w = Cell ("", [], []) AlignDefault h w $ pln a
+    rws = map $ Row nullAttr
+    th = TableHead nullAttr . rws
+    tb n x y = TableBody nullAttr n (rws x) (rws y)
+    tf = TableFoot nullAttr . rws
+
+    headRows1 =
+      [[cl "a" 1 1, cl "b" 2 2]
+      ,[cl "c" 1 1]
+      ]
+    body1 = tb 1
+      [[cl "e" 3 1,cl "f" 3 2]
+      ,[]
+      ,[]
+      ]
+      [[emptyCell,emptyCell,emptyCell]
+      ,[cl "g" 1 1,emptyCell,emptyCell]
+      ]
+    footRows1 =
+      [[cl "h" 1 2,cl "i" 2 1]
+      ,[cl "j" 1 2]]
+    caption1 = simpleCaption $ plain "caption"
+    spec1 = replicate 2 (AlignDefault, ColWidth 0.5) ++ [(AlignRight, ColWidthDefault)]
+    expect1 = ( [Str "caption"]
+              , replicate 2 AlignDefault ++ [AlignRight]
+              , replicate 2 0.5 ++ [0]
+              , [pln "a", pln "b", mempty]
+              , [[pln "c", mempty, mempty]
+                ,[pln "e", pln "f", mempty]
+                ,[mempty, mempty, mempty]
+                ,[mempty, mempty, mempty]
+                ,[mempty, mempty, mempty]
+                ,[pln "g", mempty, mempty]
+                ,[pln "h", mempty, pln "i"]
+                ,[pln "j", mempty, mempty]]
+              )
+    gen1 = toLegacyTable caption1 spec1 (th headRows1) [body1] (tf footRows1)
+
+    expect2 = ( []
+              , replicate 2 AlignDefault ++ [AlignRight]
+              , replicate 2 0.5 ++ [0]
+              , []
+              , [[pln "e", pln "f", mempty]
+                ,[mempty, mempty, mempty]
+                ,[mempty, mempty, mempty]
+                ,[mempty, mempty, mempty]
+                ,[pln "g", mempty, mempty]
+                ,[pln "h", mempty, pln "i"]
+                ,[pln "j", mempty, mempty]]
+              )
+    gen2 = toLegacyTable emptyCaption spec1 (th []) [body1] (tf footRows1)