Remove some unused shit and write tests for coverage

processor/processor_coverage_test.go

@@ -0,0 +1,218 @@
+package processor
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	lua "github.com/yuin/gopher-lua"
+)
+
+// Test replaceVariables function
+func TestReplaceVariables(t *testing.T) {
+	// Setup global variables
+	globalVariables = map[string]interface{}{
+		"multiplier": 2.5,
+		"prefix":     "TEST_",
+		"enabled":    true,
+		"disabled":   false,
+		"count":      42,
+	}
+	defer func() {
+		globalVariables = make(map[string]interface{})
+	}()
+
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{
+			name:     "Replace numeric variable",
+			input:    "v1 * $multiplier",
+			expected: "v1 * 2.5",
+		},
+		{
+			name:     "Replace string variable",
+			input:    `s1 = $prefix .. "value"`,
+			expected: `s1 = "TEST_" .. "value"`,
+		},
+		{
+			name:     "Replace boolean true",
+			input:    "enabled = $enabled",
+			expected: "enabled = true",
+		},
+		{
+			name:     "Replace boolean false",
+			input:    "disabled = $disabled",
+			expected: "disabled = false",
+		},
+		{
+			name:     "Replace integer",
+			input:    "count = $count",
+			expected: "count = 42",
+		},
+		{
+			name:     "Multiple replacements",
+			input:    "$count * $multiplier",
+			expected: "42 * 2.5",
+		},
+		{
+			name:     "No variables",
+			input:    "v1 * 2",
+			expected: "v1 * 2",
+		},
+		{
+			name:     "Undefined variable",
+			input:    "v1 * $undefined",
+			expected: "v1 * $undefined",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := replaceVariables(tt.input)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+// Test SetVariables with all type cases
+func TestSetVariablesAllTypes(t *testing.T) {
+	vars := map[string]interface{}{
+		"int_val":     42,
+		"int64_val":   int64(100),
+		"float32_val": float32(3.14),
+		"float64_val": 2.718,
+		"bool_true":   true,
+		"bool_false":  false,
+		"string_val":  "hello",
+	}
+
+	SetVariables(vars)
+
+	// Create Lua state to verify
+	L, err := NewLuaState()
+	assert.NoError(t, err)
+	defer L.Close()
+
+	// Verify int64
+	int64Val := L.GetGlobal("int64_val")
+	assert.Equal(t, lua.LTNumber, int64Val.Type())
+	assert.Equal(t, 100.0, float64(int64Val.(lua.LNumber)))
+
+	// Verify float32
+	float32Val := L.GetGlobal("float32_val")
+	assert.Equal(t, lua.LTNumber, float32Val.Type())
+	assert.InDelta(t, 3.14, float64(float32Val.(lua.LNumber)), 0.01)
+
+	// Verify bool true
+	boolTrue := L.GetGlobal("bool_true")
+	assert.Equal(t, lua.LTBool, boolTrue.Type())
+	assert.True(t, bool(boolTrue.(lua.LBool)))
+
+	// Verify bool false
+	boolFalse := L.GetGlobal("bool_false")
+	assert.Equal(t, lua.LTBool, boolFalse.Type())
+	assert.False(t, bool(boolFalse.(lua.LBool)))
+
+	// Verify string
+	stringVal := L.GetGlobal("string_val")
+	assert.Equal(t, lua.LTString, stringVal.Type())
+	assert.Equal(t, "hello", string(stringVal.(lua.LString)))
+}
+
+// Test HTTP fetch with test server
+func TestFetchWithTestServer(t *testing.T) {
+	// Create test HTTP server
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Verify request
+		assert.Equal(t, "GET", r.Method)
+		
+		// Send response
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte(`{"status": "success"}`))
+	}))
+	defer server.Close()
+
+	// Test fetch
+	L := lua.NewState()
+	defer L.Close()
+
+	L.SetGlobal("fetch", L.NewFunction(fetch))
+
+	script := `
+		response = fetch("` + server.URL + `")
+		assert(response ~= nil, "Expected response")
+		assert(response.ok == true, "Expected ok to be true")
+		assert(response.status == 200, "Expected status 200")
+		assert(response.body == '{"status": "success"}', "Expected correct body")
+	`
+
+	err := L.DoString(script)
+	assert.NoError(t, err)
+}
+
+func TestFetchWithTestServerPOST(t *testing.T) {
+	// Create test HTTP server
+	receivedBody := ""
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "POST", r.Method)
+		assert.Equal(t, "application/json", r.Header.Get("Content-Type"))
+		
+		// Read body
+		buf := make([]byte, 1024)
+		n, _ := r.Body.Read(buf)
+		receivedBody = string(buf[:n])
+		
+		w.WriteHeader(http.StatusCreated)
+		w.Write([]byte(`{"created": true}`))
+	}))
+	defer server.Close()
+
+	L := lua.NewState()
+	defer L.Close()
+
+	L.SetGlobal("fetch", L.NewFunction(fetch))
+
+	script := `
+		local opts = {
+			method = "POST",
+			headers = {["Content-Type"] = "application/json"},
+			body = '{"test": "data"}'
+		}
+		response = fetch("` + server.URL + `", opts)
+		assert(response ~= nil, "Expected response")
+		assert(response.ok == true, "Expected ok to be true")
+		assert(response.status == 201, "Expected status 201")
+	`
+
+	err := L.DoString(script)
+	assert.NoError(t, err)
+	assert.Equal(t, `{"test": "data"}`, receivedBody)
+}
+
+func TestFetchWithTestServer404(t *testing.T) {
+	// Create test HTTP server that returns 404
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+		w.Write([]byte(`{"error": "not found"}`))
+	}))
+	defer server.Close()
+
+	L := lua.NewState()
+	defer L.Close()
+
+	L.SetGlobal("fetch", L.NewFunction(fetch))
+
+	script := `
+		response = fetch("` + server.URL + `")
+		assert(response ~= nil, "Expected response")
+		assert(response.ok == false, "Expected ok to be false for 404")
+		assert(response.status == 404, "Expected status 404")
+	`
+
+	err := L.DoString(script)
+	assert.NoError(t, err)
+}