Fixed reverse deps issues + some tests. Fixes #113. Fixes #168.

src/nimble.nim

@@ -214,6 +214,7 @@ proc addRevDep(options: Options, dep: tuple[name, version: string],
 
 proc removeRevDep(options: Options, pkg: PackageInfo) =
   ## Removes ``pkg`` from the reverse dependencies of every package.
+  assert(not pkg.isMinimal)
   proc remove(options: Options, pkg: PackageInfo, depTup: PkgTuple,
               thisDep: JsonNode) =
     for ver, val in thisDep:
@@ -294,9 +295,9 @@ proc processDeps(pkginfo: PackageInfo, options: Options): seq[string] =
   # We add the reverse deps to the JSON file here because we don't want
   # them added if the above errorenous condition occurs
   # (unsatisfiable dependendencies).
+  # N.B. NimbleData is saved in installFromDir.
   for i in reverseDeps:
     addRevDep(options, i, pkginfo)
-  saveNimbleData(options)
 
 proc buildFromDir(pkgInfo: PackageInfo, paths: seq[string], forRelease: bool) =
   ## Builds a package as specified by ``pkgInfo``.
@@ -448,6 +449,10 @@ proc installFromDir(dir: string, latest: bool, options: Options,
   # Save a nimblemeta.json file.
   saveNimbleMeta(pkgDestDir, url, filesInstalled)
 
+  # Save the nimble data (which might now contain reverse deps added in
+  # processDeps).
+  saveNimbleData(options)
+
   # Return the paths to the dependencies of this package.
   result.paths.add pkgDestDir
   result.pkg = pkgInfo
@@ -839,7 +844,11 @@ proc uninstall(options: Options) =
 
   for pkg in pkgsToDelete:
     # If we reach this point then the package can be safely removed.
-    removeRevDep(options, pkg)
+
+    # removeRevDep needs the package dependency info, so we can't just pass
+    # a minimal pkg info.
+    let pkgFull = readPackageInfo(pkg.mypath, options, false)
+    removeRevDep(options, pkgFull)
     removePkgDir(options.getPkgsDir / (pkg.name & '-' & pkg.version), options)
     echo("Removed ", pkg.name, " (", $pkg.version, ")")
 

tests/issue113/a/a.nimble

@@ -0,0 +1,11 @@
+# Package
+
+version       = "0.1.0"
+author        = "Dominik Picheta"
+description   = "Root package, depends on b."
+license       = "MIT"
+
+# Dependencies
+
+requires "nim >= 0.12.1", "b"
+

tests/issue113/b/b.nimble

@@ -0,0 +1,11 @@
+# Package
+
+version       = "0.1.0"
+author        = "Dominik Picheta"
+description   = "Second dep. Depended by a and depends on c."
+license       = "MIT"
+
+# Dependencies
+
+requires "nim >= 0.12.1", "c"
+

tests/issue113/buildfail/buildfail.nim

@@ -0,0 +1 @@
+var x: string = 42

tests/issue113/buildfail/buildfail.nimble

@@ -0,0 +1,13 @@
+# Package
+
+version       = "0.1.0"
+author        = "Dominik Picheta"
+description   = "Testing issue 113."
+license       = "MIT"
+
+bin = @["buildfail"]
+
+# Dependencies
+
+requires "nim >= 0.12.1", "c"
+

tests/issue113/c/c.nimble

@@ -0,0 +1,11 @@
+# Package
+
+version       = "0.1.0"
+author        = "Dominik Picheta"
+description   = "Third dep. Depended by b."
+license       = "MIT"
+
+# Dependencies
+
+requires "nim >= 0.12.1"
+

tests/tester.nim

@@ -18,6 +18,33 @@ template cd*(dir: string, body: stmt) =
 proc processOutput(output: string): seq[string] =
   output.strip.splitLines().filter((x: string) => (x.len > 0))
 
+proc inLines(lines: seq[string], line: string): bool =
+  for i in lines:
+    if line.normalize in i.normalize: return true
+
+test "issue 113 (uninstallation problems)":
+  cd "issue113/c":
+    check execCmdEx("../../" & path & " install -y").exitCode == QuitSuccess
+  cd "issue113/b":
+    check execCmdEx("../../" & path & " install -y").exitCode == QuitSuccess
+  cd "issue113/a":
+    check execCmdEx("../../" & path & " install -y").exitCode == QuitSuccess
+
+  # Try to remove c.
+  let (output, exitCode) = execCmdEx(path & " remove -y c")
+  let lines = output.strip.splitLines()
+  check exitCode != QuitSuccess
+  check "cannot uninstall c (0.1.0) because b (0.1.0) depends on it" in
+      lines[^1].normalize
+
+  check execCmdEx(path & " remove -y a").exitCode == QuitSuccess
+  check execCmdEx(path & " remove -y b").exitCode == QuitSuccess
+
+  cd "issue113/buildfail":
+    check execCmdEx("../../" & path & " install -y").exitCode != QuitSuccess
+
+  check execCmdEx(path & " remove -y c").exitCode == QuitSuccess
+
 test "can refresh with default urls":
   check execCmdEx(path & " refresh").exitCode == QuitSuccess
 
@@ -39,12 +66,12 @@ test "can refresh with custom urls":
   let (output, exitCode) = execCmdEx(path & " refresh")
   let lines = output.strip.splitLines()
   check exitCode == QuitSuccess
-  check "reading from config file" in lines[0].normalize
+  check inLines(lines, "reading from config file")
-  check "downloading \"official\" package list" in lines[1].normalize
+  check inLines(lines, "downloading \"official\" package list")
-  check "trying http://google.com" in lines[2].normalize
+  check inLines(lines, "trying http://google.com")
-  check "packages.json file is invalid" in lines[3].normalize
+  check inLines(lines, "packages.json file is invalid")
-  check "404 not found" in lines[5].normalize
+  check inLines(lines, "404 not found")
-  check "done" in lines[^1].normalize
+  check inLines(lines, "done")
 
   # Restore config
   if fileExists(configBakFile):
@@ -114,16 +141,16 @@ test "issue #27":
 
 test "issue #126":
   cd "issue126/a":
-    let (output, exitCode) = execCmdEx("../../" & path & " install")
+    let (output, exitCode) = execCmdEx("../../" & path & " install -y")
     let lines = output.strip.splitLines()
-    check exitCode != QuitSuccess
+    check exitCode != QuitSuccess # TODO
-    check "issue-126 is an invalid package name: cannot contain '-'" in lines[^1]
+    check inLines(lines, "issue-126 is an invalid package name: cannot contain '-'")
 
   cd "issue126/b":
-    let (output1, exitCode1) = execCmdEx("../../" & path & " install")
+    let (output1, exitCode1) = execCmdEx("../../" & path & " install -y")
     let lines1 = output1.strip.splitLines()
-    check exitCode1 != QuitSuccess
+    check exitCode1 == QuitSuccess
-    check "The .nimble file name must match name specified inside".normalize in lines1[^1].normalize
+    check inLines(lines1, "The .nimble file name must match name specified inside")
 
 test "issue #108":
   cd "issue108":