Add getheader test

tests/getheader.nims

@@ -0,0 +1,42 @@
+import strutils
+
+proc testCall(cmd, output: string, exitCode: int, delete = true) =
+  if delete:
+    rmDir("build/liblzma")
+  echo cmd
+  var
+    ccmd =
+      when defined(windows):
+        "cmd /c " & cmd
+      else:
+        cmd
+    (outp, exitC) = gorgeEx(ccmd)
+  echo outp
+  doAssert exitC == exitCode, $exitC
+  doAssert outp.contains(output), outp
+
+var
+  cmd = "nim c -f"
+  rcmd = " -r lzma.nim"
+  exp = "liblzma version = "
+
+when defined(linux):
+  testCall(cmd & rcmd, "No build files found", 1)
+
+  # stdlib
+  testCall(cmd & " -d:lzmaStd" & rcmd, exp, 0)
+  testCall(cmd & " -d:lzmaStd -d:lzmaStatic" & rcmd, exp, 0)
+
+  # git
+  testCall(cmd & " -d:lzmaGit" & rcmd, exp, 0)
+  testCall(cmd & " -d:lzmaGit -d:lzmaStatic" & rcmd, exp, 0, delete = false)
+
+  # git tag
+  testCall(cmd & " -d:lzmaGit -d:lzmaVersion=v5.2.0" & rcmd, exp & "5.2.0", 0)
+  testCall(cmd & " -d:lzmaGit -d:lzmaStatic -d:lzmaVersion=v5.2.0" & rcmd, exp & "5.2.0", 0, delete = false)
+  testCall("cd build/liblzma && git branch", "v5.2.0", 0, delete = false)
+
+  # dl
+  testCall(cmd & " -d:lzmaDL" & rcmd, "Need version", 1)
+  testCall(cmd & " -d:lzmaDL -d:lzmaVersion=v5.2.4" & rcmd, exp & "5.2.4", 0)
+  testCall(cmd & " -d:lzmaDL -d:lzmaStatic -d:lzmaVersion=v5.2.4" & rcmd, exp & "5.2.4", 0, delete = false)

tests/lzma.nim

@@ -0,0 +1,41 @@
+import os, strutils
+
+import nimterop/[build, cimport]
+
+const
+  baseDir = currentSourcePath.parentDir()/"build/liblzma"
+
+static:
+  cDebug()
+
+getHeader(
+  "lzma.h",
+  giturl = "https://github.com/xz-mirror/xz",
+  dlurl = "https://github.com/xz-mirror/xz/archive/$1.zip",
+  outdir = baseDir,
+  conFlags = "--disable-xz --disable-xzdec --disable-lzmadec --disable-lzmainfo"
+)
+
+cPlugin:
+  import strutils
+
+  proc onSymbol*(sym: var Symbol) {.exportc, dynlib.} =
+    sym.name = sym.name.strip(chars = {'_'})
+
+cOverride:
+  type
+    lzma_internal = object
+    lzma_index = object
+    lzma_index_hash = object
+
+    lzma_options_lzma = object
+    lzma_stream_flags = object
+    lzma_block = object
+    lzma_index_iter = object
+
+when not defined(lzmaStatic):
+  cImport(lzmaPath, recurse = true, dynlib = "lzmaLPath")
+else:
+  cImport(lzmaPath, recurse = true)
+
+echo "liblzma version = " & $lzma_version_string()