Cassette/DataFrame/Test error

Manifest.toml

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Project.toml

[deps]
Cassette = "7057c7e9-c182-5462-911a-8362d720325c"
DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

test.jl

using Test, Cassette, DataFrames

f() = 1

Cassette.@context MockCtx
Cassette.execute(ctx::MockCtx, ::typeof(f)) = ctx.metadata

Cassette.@overdub MockCtx(metadata=DataFrame(a="str", b=[3])) begin
    @test f() == DataFrame(a="str", b=[2])
end

winerr.txt

$ julia --project test.jl
Error During Test at C:\Users\sbyrne\Documents\git\cassette\test.jl:9
  Test threw exception
  Expression: f() == DataFrame(a="str", b=[2])
  ArgumentError: input string is empty or only contains whitespace
  Stacktrace:
   [1] tryparse_internal at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\context.jl:441 [inlined]
   [2] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(Base.tryparse_internal), ::Type{Int64}, ::String, ::Int64, ::Int64, ::Int64, ::Bool) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [3] #parse#333 at .\parse.jl:225 [inlined]
   [4] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::getfield(Base, Symbol("##parse#333")), ::Nothing, ::typeof(parse), ::Type{Int64}, ::String) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [5] parse at .\parse.jl:225 [inlined]
   [6] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(parse), ::Type{Int64}, ::String) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [7] displaysize at .\stream.jl:380 [inlined]
   [8] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(displaysize)) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [9] displaysize at .\stream.jl:379 [inlined]
   [10] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(displaysize), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [11] #show#190 at C:\Users\sbyrne\.julia\packages\DataFrames\1PqZ3\src\abstractdataframe\show.jl:550 [inlined]
   [12] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::getfield(DataFrames, Symbol("##show#190")), ::Bool, ::Bool, ::Bool, ::Symbol, ::Bool, ::typeof(show), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::DataFrame) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [13] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(show), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::DataFrame) at C:\Users\sbyrne\.julia\packages\DataFrames\1PqZ3\src\abstractdataframe\show.jl:549
   [14] show_unquoted at .\show.jl:753 [inlined]
   [15] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(Base.show_unquoted), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::DataFrame, ::Int64, ::Int64) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [16] show_list at .\show.jl:947 [inlined]
   [17] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(Base.show_list), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Array{Any,1}, ::String, ::Int64, ::Int64, ::Bool) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [18] show_list at .\show.jl:935 [inlined]
   [19] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(Base.show_list), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Array{Any,1}, ::String, ::Int64, ::Int64) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [20] show_unquoted at .\show.jl:1246 [inlined]
   [21] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(Base.show_unquoted), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Expr, ::Int64, ::Int64) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [22] print at .\show.jl:749 [inlined]
   [23] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(print), ::IOContext{Base.GenericIOBuffer{Array{UInt8,1}}}, ::Expr) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [24] #13 at C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Test\src\Test.jl:268 [inlined]
   [25] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::getfield(Test, Symbol("##13#16")), ::Base.GenericIOBuffer{Array{UInt8,1}}) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [26] overdub at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:430 [inlined]
   [27] #sprint#325 at .\strings\io.jl:101 [inlined]
   [28] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::getfield(Base, Symbol("##sprint#325")), ::Nothing, ::Int64, ::typeof(sprint), ::getfield(Test, Symbol("##13#16"))) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [29] overdub at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:430 [inlined]
   [30] sprint at .\strings\io.jl:97 [inlined]
   [31] eval_test at C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Test\src\Test.jl:266 [inlined]
   [32] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::typeof(Test.eval_test), ::Expr, ::Expr, ::LineNumberNode) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:0
   [33] macro expansion at C:\Users\sbyrne\Documents\git\cassette\test.jl:9 [inlined]
   [34] overdub(::Cassette.Context{nametype(MockCtx),DataFrame,Cassette.NoPass,Nothing,Nothing}, ::getfield(Main, Symbol("##4#5"))) at C:\Users\sbyrne\.julia\packages\Cassette\XwZ3M\src\overdub.jl:490
   [35] top-level scope at none:0
   [36] include at .\boot.jl:317 [inlined]
   [37] include_relative(::Module, ::String) at .\loading.jl:1041
   [38] include(::Module, ::String) at .\sysimg.jl:29
   [39] exec_options(::Base.JLOptions) at .\client.jl:229
   [40] _start() at .\client.jl:421
ERROR: LoadError: There was an error during testing
in expression starting at C:\Users\sbyrne\Documents\git\cassette\test.jl:8