Add info to printing and add tests

Project.toml

@@ -4,18 +4,18 @@ authors = ["Kenta Sato <[email protected]>", "Ben J. Ward <benjward@protonma
 version = "2.0.0"
 
 [deps]
-BioGenerics = "47718e42-2ac5-11e9-14af-e5595289c2ea" # Note: required for distance function.
+BioGenerics = "47718e42-2ac5-11e9-14af-e5595289c2ea"
 BioSequences = "7e6ae17a-c86d-528c-b3b9-7f778a29fe59"
 BioSymbols = "3c28c6f8-a34d-59c4-9654-267d177fcfa9"
 IntervalTrees = "524e6230-43b7-53ae-be76-1e9e4d08d11b"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 
 [compat]
-julia = "1"
 BioGenerics = "0.1"
 BioSequences = "2"
 BioSymbols = "4"
 IntervalTrees = "1"
+julia = "1"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/pairwise/alignment.jl

@@ -132,7 +132,13 @@ aln2ref(aln::PairwiseAlignment, i::Integer) = aln2ref(aln.a, i)
 # Printers
 # --------
 
-showshort(io::IO, aln::PairwiseAlignment) = print(io, summary(aln), "()")
+function showshort(io::IO, aln::PairwiseAlignment)
+	print(io, summary(aln), "(lengths=(",
+		length(aln.a.seq), ", ", length(aln.b),
+		")/", length(aln), ')'
+	)
+end
+
 Base.show(io::IO, aln::PairwiseAlignment) = showshort(io, aln)
 
 function Base.show(io::IO, ::MIME"text/plain", aln::PairwiseAlignment)

test/runtests.jl

@@ -1041,6 +1041,12 @@ end
                   | |||| | |
           ref: 49 CVVESSVLRA 58
         """
+        buf = IOBuffer()
+        print(buf, (aln,))
+        @test String(take!(buf)) == (
+        	"""(PairwiseAlignment{$seqtype,$(VERSION >= v"1.6" ? " " : "")$(seqtype)}""" *
+        	"""(lengths=(58, 58)/60),)"""
+        )
         # Result from EMBOSS Needle:
         # EMBOSS_001         1 EPVTSHPKAVSPTETK--PTEKGQHLPVSAPPKITQSLKAEASKDIAKLT     48
         #                      ||  ||||||||||||  ||||.|||||||||||||.|||||||:|||||