Dedupe output parts

tests/pathsd/test_main.nim

@@ -7,13 +7,17 @@ suite "Test main() proc":
   setup:
     const fixturesPath = Path(currentSourcePath) / Path("..") / Path("..") / Path("fixtures")
     const pathsdFixturePath = fixturesPath / Path("paths.d")
-    const expectedOutput = @["/Users/bilbo/opt/bin", "/opt/homebrew/bin", "/opt/homebrew/sbin"]
+    const envParts = @["/usr/local/bin", "/usr/bin"]
+    const expectedOutput = @[
+      "/Users/bilbo/opt/bin", "/opt/homebrew/bin", "/opt/homebrew/sbin",
+      "/usr/local/bin", "/usr/bin",
+    ]
 
     pathsd.logger.levelThreshold = lvlNone
 
   test "Test happy path":
     # When
-    var mainResult = pathsd.main(@[pathsdFixturePath.string])
+    var mainResult = pathsd.main(@[pathsdFixturePath.string], envParts, false)
 
     # Then
     check mainResult.output == expectedOutput
@@ -21,10 +25,28 @@ suite "Test main() proc":
 
   test "Test skipping search paths that don't exist":
     # When
-    var mainResult = pathsd.main(@[
-      pathsdFixturePath.string,
-      (fixturesPath / Path("idontexist")).string,
-    ])
+    var mainResult = pathsd.main(
+      @[
+        pathsdFixturePath.string,
+        (fixturesPath / Path("idontexist")).string,
+      ],
+      envParts,
+      false,
+    )
+
+    # Then
+    check mainResult.output == expectedOutput
+
+  test "Test dedupe":
+    # Given
+    const localEnvParts = @[
+      "/usr/local/bin", "/usr/bin", "/Users/bilbo/opt/bin",
+    ]
+
+    # When
+    var mainResult = pathsd.main(
+      @[pathsdFixturePath.string], localEnvParts, true,
+    )
 
     # Then
     check mainResult.output == expectedOutput