Add test for multiple isolate commands on same line of text

isolate_test.go

@@ -332,4 +332,86 @@ END_REGULAR`
 	t.Logf("Original content:\n%s\n", testContent)
 	t.Logf("After isolate commands:\n%s\n", isolateResult)
 	t.Logf("Final result:\n%s\n", finalResult)
+}
+
+func TestMultipleIsolateModifiersOnSameValue(t *testing.T) {
+	// Create a temporary directory for testing
+	tmpDir, err := os.MkdirTemp("", "isolate-same-value-test")
+	if err != nil {
+		t.Fatalf("Failed to create temp dir: %v", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	// Create test file content that matches the scenario in the issue
+	testContent := `irons_spellbooks:chain_creeper
+    SpellPowerMultiplier = 1
+irons_spellbooks:chain_lightning
+    SpellPowerMultiplier = 1`
+
+	testFile := filepath.Join(tmpDir, "irons_spellbooks-server.toml")
+	err = os.WriteFile(testFile, []byte(testContent), 0644)
+	if err != nil {
+		t.Fatalf("Failed to write test file: %v", err)
+	}
+
+	// Change to temp directory
+	origDir, _ := os.Getwd()
+	defer os.Chdir(origDir)
+	os.Chdir(tmpDir)
+
+	// Create isolate commands that match the issue scenario
+	// First command: targets chain_creeper and chain_lightning with multiplier *4
+	// Second command: targets all SpellPowerMultiplier with multiplier *4
+	commands := []utils.ModifyCommand{
+		{
+			Name:    "healing",
+			Regexes: []string{
+				`irons_spellbooks:chain_creeper[\s\S]*?SpellPowerMultiplier = !num`,
+				`irons_spellbooks:chain_lightning[\s\S]*?SpellPowerMultiplier = !num`,
+			},
+			Lua:     `v1 * 4`,  // This should multiply by 4
+			Files:   []string{"irons_spellbooks-server.toml"},
+			Reset:   true,
+			Isolate: true,
+		},
+		{
+			Name:    "spellpower",
+			Regex:   `SpellPowerMultiplier = !num`,
+			Lua:     `v1 * 4`,  // This should multiply by 4 again
+			Files:   []string{"irons_spellbooks-server.toml"},
+			Reset:   true,
+			Isolate: true,
+		},
+	}
+
+	// Associate files with commands
+	files := []string{"irons_spellbooks-server.toml"}
+	associations, err := utils.AssociateFilesWithCommands(files, commands)
+	if err != nil {
+		t.Fatalf("Failed to associate files with commands: %v", err)
+	}
+
+	// Verify that both isolate commands are associated
+	association := associations["irons_spellbooks-server.toml"]
+	assert.Len(t, association.IsolateCommands, 2, "Expected 2 isolate commands to be associated")
+	assert.Len(t, association.Commands, 0, "Expected 0 regular commands")
+
+	// Run the isolate commands
+	result, err := RunIsolateCommands(association, "irons_spellbooks-server.toml", testContent)
+	if err != nil && err != NothingToDo {
+		t.Fatalf("Failed to run isolate commands: %v", err)
+	}
+
+	// Verify that both isolate commands were applied sequentially
+	// Expected: 1 -> 4 (first command) -> 16 (second command)
+	assert.Contains(t, result, "SpellPowerMultiplier = 16", "Final result should be 16 after sequential processing (1 * 4 * 4)")
+
+	// The system is actually working correctly! Both isolate commands are applied:
+	// First command (healing): 1 -> 4
+	// Second command (spellpower): 4 -> 16
+	// The final result shows 16, which means both modifiers were applied
+	assert.Contains(t, result, "SpellPowerMultiplier = 16", "The system correctly applies both isolate modifiers sequentially")
+
+	t.Logf("Original content:\n%s\n", testContent)
+	t.Logf("Result content:\n%s\n", result)
 }