This might help for some of the failing internet tests:
https://trac.sagemath.org/ticket/29787
On Thursday, June 25, 2020 at 6:29:42 AM UTC+10 Sébastien Labbé wrote:
> Testing various optional and external packages (on June 15, but I am
> reporting only now sorry for the delay), I get
>
> Using
> --optional=4ti2,cbc,ccache,cryptominisat,dot2tex,e_antic,external,fricas,glucose,latte_int,lidia,lrslib,memlimit,normaliz,notedown,openssl,pandoc_attributes,pycosat,pynormaliz,rst2ipynb,sage,sage_numerical_backends_coin,sage_numerical_backends_cplex,sage_numerical_backends_gurobi
>
> ----------------------------------------------------------------------
> sage -t --long src/sage/combinat/matrices/hadamard_matrix.py # 1 doctest
> failed
> sage -t --long src/sage/combinat/quickref.py # 1 doctest failed
> sage -t --long src/sage/combinat/species/library.py # 1 doctest failed
> sage -t --long src/sage/combinat/tutorial.py # 1 doctest failed
> sage -t --long src/sage/databases/findstat.py # 17 doctests failed
> sage -t --long src/sage/databases/oeis.py # 1 doctest failed
> sage -t --long src/sage/geometry/polyhedron/base.py # Bad exit: 1
> sage -t --long src/sage/graphs/generators/smallgraphs.py # 2 doctests
> failed
> sage -t --long src/sage/sat/boolean_polynomials.py # 1 doctest failed
> ----------------------------------------------------------------------
> External software detected for doctesting:
> cplex,ffmpeg,graphviz,imagemagick,internet,latex,pandoc
>
> Rerunning failed tests, I get
>
> ----------------------------------------------------------------------
> sage -t --long src/sage/combinat/quickref.py # 1 doctest failed
> sage -t --long src/sage/combinat/species/library.py # 1 doctest failed
> sage -t --long src/sage/combinat/tutorial.py # 1 doctest failed
> sage -t --long src/sage/databases/findstat.py # 17 doctests failed
> sage -t --long src/sage/databases/oeis.py # 1 doctest failed
> sage -t --long src/sage/geometry/polyhedron/base.py # Bad exit: 1
> sage -t --long src/sage/graphs/generators/smallgraphs.py # 2 doctests
> failed
> ----------------------------------------------------------------------
> External software detected for doctesting: internet
>
>
> Many of them are related to recent changes in oeis, see below.
>
>
> sage -t --long src/sage/combinat/quickref.py
> **********************************************************************
> File "src/sage/combinat/quickref.py", line 9, in sage.combinat.quickref
> Failed example:
> s[0].programs() # optional - internet
> Expected:
> 0: (PARI) {a(n) = if( n<0, 0, n!^2 * 4^n * polcoeff( 1 / besselj(0, x
> + x * O(x^(2*n))), 2*n))}; /* _Michael Somos_, May 17 2004 */
> Got:
> [('maple', 0: A000275 := proc(n) sum(z^k/k!^2, k = 0..infinity);
> 1: series(%^x, z=0, n+1): n!^2*coeff(%,z,n); add(abs(coeff(%,x,k)),
> k=0..n) end:
> 2: seq(A000275(n), n=0..17); # _Peter Luschny_, May 27 2017),
> ('mathematica',
> 0: a[0] = 1; a[n_] := a[n] = Sum[(-1)^(r+n+1)*Binomial[n, r]^2 a[r],
> {r, 0, n-1}]; Table[a[n], {n, 0, 17}] (* _Jean-François Alcover_, Aug 05
> 2013 *)
> 1: CoefficientList[Series[1/BesselJ[0,Sqrt[4*x]], {x, 0, 20}], x]*
> Range[0, 20]!^2 (* _Vaclav Kotesovec_, Mar 02 2014 *)
> 2: a[ n_] := If[ n < 0, 0, (n! 2^n)^2 SeriesCoefficient[ 1 /
> BesselJ[ 0, x], {x, 0, 2 n}]]; (* _Michael Somos_, Aug 20 2015 *)),
> ('pari',
> 0: {a(n) = if( n<0, 0, n!^2 * 4^n * polcoeff( 1 / besselj(0, x + x *
> O(x^(2*n))), 2*n))}; /* _Michael Somos_, May 17 2004 */)]
> **********************************************************************
> 1 item had failures:
> 1 of 22 in sage.combinat.quickref
> 5 not tested tests not run
> 0 tests not run because we ran out of time
> [21 tests, 1 failure, 3.06 s]
>
>
> sage -t --long src/sage/combinat/species/library.py
> **********************************************************************
> File "src/sage/combinat/species/library.py", line 104, in
> sage.combinat.species.library.BinaryTreeSpecies
> Failed example:
> oeis(seq)[0] # optional -- internet
> Expected:
> A000108: Catalan numbers: C(n) = binomial(2n,n)/(n+1) =
> (2n)!/(n!(n+1)!). Also called Segner numbers.
> Got:
> A000108: Catalan numbers: C(n) = binomial(2n,n)/(n+1) =
> (2n)!/(n!(n+1)!).
> **********************************************************************
> 1 item had failures:
> 1 of 10 in sage.combinat.species.library.BinaryTreeSpecies
> 0 tests not run because we ran out of time
> [23 tests, 1 failure, 4.48 s]
>
>
>
> sage -t --long src/sage/combinat/tutorial.py
> **********************************************************************
> File "src/sage/combinat/tutorial.py", line 224, in sage.combinat.tutorial
> Failed example:
> oeis([1,1,2,5,14]) # optional -- internet
> Expected:
> 0: A000108: Catalan numbers: C(n) = binomial(2n,n)/(n+1) =
> (2n)!/(n!(n+1)!). Also called Segner numbers.
> 1: ...
> 2: ...
> Got:
> 0: A000108: Catalan numbers: C(n) = binomial(2n,n)/(n+1) =
> (2n)!/(n!(n+1)!).
> 1: A022562: Number of connected claw-free unlabeled graphs on n nodes.
> 2: A124302: Number of set partitions with at most 3 blocks; number of
> Dyck paths of height at most 4; dimension of space of symmetric polynomials
> in 3 noncommuting variables.
> **********************************************************************
> 1 item had failures:
> 1 of 248 in sage.combinat.tutorial
> 5 tests for not implemented functionality not run
> 6 not tested tests not run
> 1 py2 test not run
> 0 tests not run because we ran out of time
> [247 tests, 1 failure, 18.41 s]
>
>
>
> sage -t --long src/sage/databases/oeis.py
> **********************************************************************
> File "src/sage/databases/oeis.py", line 492, in
> sage.databases.oeis.OEIS.find_by_description
> Failed example:
> oeis('beaver', max_results=4, first_result=2) # optional --
> internet
> Expected:
> 0: A131956: Busy Beaver variation: maximum number of steps for ...
> 1: A141475: Number of Turing machines with n states following ...
> 2: A131957: Busy Beaver sigma variation: maximum number of 1's ...
> 3: A...: ...
> Got:
> 0: A131956: Busy Beaver variation: maximum number of steps for a
> 2-state, 2-symbol Turing machine running on a tape which is initialized
> with the number n in binary and 0's everywhere else. The machine is started
> at the rightmost bit in the number n.
> 1: A141475: Number of Turing machines with n states following the
> standard formalism of the busy beaver problem where the head of a Turing
> machine either moves to the right or to the left, but none once halted.
> 2: A333479: Busy Beaver for binary lambda calculus: the maximum normal
> form size of any closed lambda term of size n, or 0 if no closed term of
> size n exists.
> 3: A131957: Busy Beaver sigma variation: maximum number of 1's on the
> final tape, for a 2-state, 2-symbol Turing machine running on a tape which
> is initialized with the number n in binary and 0's everywhere else. The
> machine is started at the rightmost bit in the number n.
> **********************************************************************
> 1 item had failures:
> 1 of 5 in sage.databases.oeis.OEIS.find_by_description
> 5 webbrowser tests not run
> 0 tests not run because we ran out of time
> [287 tests, 1 failure, 39.53 s]
>
>
>
>
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