Add Pester tests for Config and Versions

Add Scoop-Config.Tests
Add Scoop-Versions.Tests
Remove old tests

test/Scoop-Config.Tests.ps1

@@ -0,0 +1,17 @@
+. "$psscriptroot\..\lib\core.ps1"
+. "$psscriptroot\..\lib\config.ps1"
+
+describe "hashtable" {
+    $json = '{ "one": 1, "two": [ { "a": "a" }, "b", 2 ], "three": { "four": 4 } }'
+
+    it "converts pscustomobject to hashtable" {
+        $obj = convertfrom-json $json
+        $ht = hashtable $obj
+
+        $ht.one | should beexactly 1
+        $ht.two[0].a | should be "a"
+        $ht.two[1] | should be "b"
+        $ht.two[2] | should beexactly 2
+        $ht.three.four | should beexactly 4
+    }
+}

test/Scoop-Versions.Tests.ps1

@@ -0,0 +1,20 @@
+. "$psscriptroot\tests.ps1"
+. "$psscriptroot\..\lib\versions.ps1"
+
+describe "versions" {
+    it 'compares versions with integer-string mismatch' {
+        $a = '1.8.9'
+        $b = '1.8.5-1'
+        $res = compare_versions $a $b
+
+        $res | should be 1
+    }
+
+    it 'handles plain string version comparison to int version' {
+        $a = 'latest'
+        $b = '20150405'
+        $res = compare_versions $a $b
+
+        $res | should be 1
+    }
+}

test/ht.ps1

@@ -1,11 +0,0 @@
-# testing converting json -> pscustomobject > hashtable
-
-. "$psscriptroot\..\lib\core.ps1"
-. "$psscriptroot\..\lib\config.ps1"
-
-$json = '{ "one": 1, "two": [ { "a": "a" }, "b", 2 ], "three": { "four": 4 } }'
-$global:obj = convertfrom-json $json
-
-$a = $obj.two[0]
-
-$global:res = hashtable $obj

test/versions.ps1

@@ -1,18 +0,0 @@
-. "$psscriptroot\tests.ps1"
-. "$psscriptroot\..\lib\versions.ps1"
-
-test 'compare version with integer-string mismatch' {
-	$a = '1.8.9'
-	$b = '1.8.5-1'
-	$res = compare_versions $a $b
-	assert $res -eq 1
-}
-
-test 'handle plain string version comparison to int version' {
-    $a = 'latest'
-    $b = '20150405'
-    $res = compare_versions $a $b
-    assert $res -eq 1
-}
-
-test_results