Adds a test that verifies that the required Nim is the one used by nimble when compiling and running the package

Author: jmgomez

tests/nimnimble/nim1.6.20/nim1620.nimble

@@ -5,8 +5,12 @@ author        = "jmgomez"
 description   = "A new awesome nimble package"
 license       = "MIT"
 srcDir        = "src"
-
+bin = @["nim1620"]
 
 # Dependencies
 
 requires "nim == 1.6.20"
+
+after build:
+  let (output, _) = gorgeEx "./nim1620"
+  assert output == NimVersion 

tests/nimnimble/nim1.6.20/src/nim1620.nim

@@ -5,3 +5,5 @@
 proc add*(x, y: int): int =
   ## Adds two numbers together.
   return x + y
+
+echo NimVersion

tests/nimnimble/nim2.0.4/nim204.nimble

@@ -1,12 +1,15 @@
 # Package
-
 version       = "0.1.0"
 author        = "jmgomez"
 description   = "A new awesome nimble package"
 license       = "MIT"
 srcDir        = "src"
-
+bin           = @["nim204"]
 
 # Dependencies
 
 requires "nim == 2.0.4"
+
+after build:
+  let (output, _) = gorgeEx "./nim204"
+  assert output == NimVersion 

tests/nimnimble/nim2.0.4/src/nim204.nim

@@ -5,3 +5,6 @@
 proc add*(x, y: int): int =
   ## Adds two numbers together.
   return x + y
+
+
+echo NimVersion

tests/nimnimble/nimdevel/nimdevel.nimble

@@ -5,8 +5,13 @@ author        = "jmgomez"
 description   = "A new awesome nimble package"
 license       = "MIT"
 srcDir        = "src"
+bin           = @["nimdevel"]
 
 
 # Dependencies
 
 requires "nim#devel"
+
+after build:
+  let (output, _) = gorgeEx "./nimdevel"
+  assert output == NimVersion 

tests/nimnimble/nimdevel/src/nimdevel.nim

@@ -5,3 +5,5 @@
 proc add*(x, y: int): int =
   ## Adds two numbers together.
   return x + y
+
+echo NimVersion

tests/tniminstall.nim

@@ -8,7 +8,6 @@ from nimblepkg/common import cd
 proc isNimPkgVer(folder: string, ver: string): bool = 
   let name = folder.split("-")
   result = name.len == 3 and name[1].contains(ver)
-  echo "Checking ", folder, " for ", ver, " result: ", result
   if ver == "devel":
   #We know devel is bigger than 2.1 and it should be an odd number (notice what we test here is actually the #)
     var major, minor, patch: int 
@@ -26,7 +25,7 @@ suite "Nim install":
         cd nimVerDir:
           let nimVer = nimVerDir.replace("nim", "")
           echo "Checking version ", nimVer
-          let (_, exitCode) = execNimble("install", "-l")
+          let (_, exitCode) = execNimble("build", "-l")
           let pkgPath = getCurrentDir() / "nimbledeps" / "pkgs2"
           check exitCode == QuitSuccess
           check walkDir(pkgPath).toSeq.anyIt(it[1].isNimPkgVer(nimVer))