Add tests for conan, recurse implies preprocess

tests/getheader.nims

@@ -17,10 +17,12 @@ var
   cmd = "nim c -f --hints:off -d:FLAGS=\"-f:ast2\" -d:checkAbi"
   lrcmd = " -r lzma.nim"
   zrcmd = " -r zlib.nim"
+  sshcmd = " -r libssh2.nim"
   lexp = "liblzma version = "
   zexp = "zlib version = "
 
 testCall(cmd & lrcmd, "No build files found", 1)
+testCall(cmd & " -d:libssh2Conan" & sshcmd, "Need version for Conan uri", 1)
 
 when defined(posix):
   # stdlib
@@ -35,6 +37,9 @@ when defined(posix):
   testCall(cmd & " -d:lzmaGit -d:lzmaSetVer=v5.2.0" & lrcmd, lexp & "5.2.0", 0)
   testCall(cmd & " -d:lzmaGit -d:lzmaStatic -d:lzmaSetVer=v5.2.0" & lrcmd, lexp & "5.2.0", 0, delete = false)
 
+  # conan static
+  testCall(cmd & " -d:libssh2Conan -d:libssh2SetVer=1.9.0 -d:libssh2Static" & sshcmd, zexp, 0)
+
 # git
 testCall(cmd & " -d:envTest" & zrcmd, zexp, 0)
 testCall(cmd & " -d:envTestStatic" & zrcmd, zexp, 0, delete = false)
@@ -51,3 +56,6 @@ testCall(cmd & " -d:lzmaDL -d:lzmaStatic -d:lzmaSetVer=5.2.4" & lrcmd, lexp & "5
 # dl
 testCall(cmd & " -d:zlibDL -d:zlibSetVer=1.2.11" & zrcmd, zexp & "1.2.11", 0)
 testCall(cmd & " -d:zlibDL -d:zlibStatic -d:zlibSetVer=1.2.11" & zrcmd, zexp & "1.2.11", 0, delete = false)
+
+# conan
+testCall(cmd & " -d:libssh2Conan -d:libssh2SetVer=1.9.0" & sshcmd, zexp, 0)

tests/libssh2.nim

@@ -0,0 +1,46 @@
+import nimterop/[build, cimport]
+
+const
+  outdir = getProjectCacheDir("libssh2")
+
+getHeader(
+  header = "libssh2.h",
+  conanuri = "libssh2/$1",
+  outdir = outdir
+)
+
+cOverride:
+  type
+    stat = object
+    stat64 = object
+    SOCKET = object
+  
+when not libssh2Static:
+  cImport(libssh2Path, recurse = true, dynlib = "libssh2LPath", flags = "-f:ast2 -c -E_ -F_")
+
+  when not defined(Windows):
+    proc zlibVersion(): cstring {.importc, dynlib: libssh2LPath.}
+else:
+  cImport(libssh2Path, recurse = true, flags = "-f:ast2 -c -E_ -F_")
+
+  when not defined(Windows):
+    proc zlibVersion(): cstring {.importc.}
+
+  {.passL: "-lpthread".}
+
+assert libssh2_init(0) == 0
+
+let
+  session = libssh2_session_init_ex(nil, nil, nil, nil)
+
+if session == nil:
+  quit(1)
+
+libssh2_session_set_blocking(session, 0.cint)
+
+echo "zlib version = " & (block:
+  when not defined(Windows):
+    $zlibVersion()
+  else:
+    ""
+)