better test coverage for markdown writer

test/runtests.jl

@@ -154,17 +154,19 @@ content = """
     """
 
 @testset "Examples.markdown" begin
-    withenv("TRAVIS_REPO_SLUG" => "fredrikekre/Examples.jl",
-            "TRAVIS_TAG" => "v1.2.0",
-            "HAS_JOSH_K_SEAL_OF_APPROVAL" => "true") do
-        # test defaults
     mktempdir(@__DIR__) do sandbox
         cd(sandbox) do
             # write content to inputfile
             inputfile = "inputfile.jl"
             write(inputfile, content)
             outdir = mktempdir(pwd())
+
+            # test defaults
+            withenv("TRAVIS_REPO_SLUG" => "fredrikekre/Examples.jl",
+                    "TRAVIS_TAG" => "v1.2.0",
+                    "HAS_JOSH_K_SEAL_OF_APPROVAL" => "true") do
                 Examples.markdown(inputfile, outdir)
+            end
             expected_markdown = """
             ```@meta
             EditURL = "https://github.com/fredrikekre/Examples.jl/blob/master/test/$(basename(sandbox))/inputfile.jl"
@@ -209,15 +211,16 @@ content = """
 
             """
             @test read(joinpath(outdir, "inputfile.md"), String) == expected_markdown
+
+            # no tag -> latest directory
+            withenv("TRAVIS_REPO_SLUG" => "fredrikekre/Examples.jl",
+                    "TRAVIS_TAG" => "",
+                    "HAS_JOSH_K_SEAL_OF_APPROVAL" => "true") do
+                Examples.markdown(inputfile, outdir)
             end
-        end
-        # test kwargs and pre- and post-processing
-        mktempdir(@__DIR__) do sandbox
-            cd(sandbox) do
-                # write content to inputfile
-                inputfile = "inputfile.jl"
-                write(inputfile, content)
-                outdir = mktempdir(pwd())
+            markdown = read(joinpath(outdir, "inputfile.md"), String)
+            @test contains(markdown, "fredrikekre/Examples.jl/blob/gh-pages/latest/")
+
             # pre- and post-processing
             Examples.markdown(inputfile, outdir,
                 preprocess = x -> replace(x, "Line 11" => "Foo"),
@@ -227,6 +230,7 @@ content = """
             @test contains(markdown, "Foo")
             @test !contains(markdown, "Line 12")
             @test contains(markdown, "Bar")
+
             # documenter = false
             Examples.markdown(inputfile, outdir, documenter = false)
             markdown = read(joinpath(outdir, "inputfile.md"), String)
@@ -234,12 +238,14 @@ content = """
             @test !contains(markdown, "```@example")
             @test !contains(markdown, "continued = true")
             @test !contains(markdown, "EditURL")
+
             # codefence
             Examples.markdown(inputfile, outdir, codefence = "```c" => "```")
             markdown = read(joinpath(outdir, "inputfile.md"), String)
             @test contains(markdown, "```c")
             @test !contains(markdown, "```@example")
             @test !contains(markdown, "```julia")
+
             # name
             Examples.markdown(inputfile, outdir, name = "foobar")
             markdown = read(joinpath(outdir, "foobar.md"), String)
@@ -247,5 +253,4 @@ content = """
             @test !contains(markdown, "```@example inputfile")
         end
     end
-    end
 end