add more convenience functions for getting slices from params and add tests

internal/config/config_test.go

@@ -0,0 +1,213 @@
+package config_test
+
+import (
+	"encoding/json"
+	"slices"
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+)
+
+func TestGoodStringParamsJSON(t *testing.T) {
+	testCases := []struct {
+		name       string
+		paramsJSON string
+		key        string
+		expected   string
+	}{
+		{
+			name:       "string param",
+			paramsJSON: `{"key": "value"}`,
+			key:        "key",
+			expected:   "value",
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			params := config.Params{}
+			err := json.Unmarshal([]byte(testCase.paramsJSON), &params)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal params JSON: %v", err)
+			}
+			value, err := params.GetString(testCase.key)
+			if err != nil {
+				t.Fatalf("GetString returned error: %v", err)
+			}
+			if value != testCase.expected {
+				t.Fatalf("GetString	 got %s, expected %s", value, testCase.expected)
+			}
+		})
+	}
+}
+
+func TestGoodIntParamsJSON(t *testing.T) {
+	testCases := []struct {
+		name       string
+		paramsJSON string
+		key        string
+		expected   int
+	}{
+		{
+			name:       "int param",
+			paramsJSON: `{"key": 1}`,
+			key:        "key",
+			expected:   1,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			params := config.Params{}
+			err := json.Unmarshal([]byte(testCase.paramsJSON), &params)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal params JSON: %v", err)
+			}
+			value, err := params.GetInt(testCase.key)
+			if err != nil {
+				t.Fatalf("GetInt returned error: %v", err)
+			}
+			if value != testCase.expected {
+				t.Fatalf("GetInt got %d, expected %d", value, testCase.expected)
+			}
+		})
+	}
+}
+
+func TestGoodBoolParamsJSON(t *testing.T) {
+	testCases := []struct {
+		name       string
+		paramsJSON string
+		key        string
+		expected   bool
+	}{
+		{
+			name:       "bool param",
+			paramsJSON: `{"key": true}`,
+			key:        "key",
+			expected:   true,
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			params := config.Params{}
+			err := json.Unmarshal([]byte(testCase.paramsJSON), &params)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal params JSON: %v", err)
+			}
+			value, err := params.GetBool(testCase.key)
+			if err != nil {
+				t.Fatalf("GetBool returned error: %v", err)
+			}
+			if value != testCase.expected {
+				t.Fatalf("GetBool got %t, expected %t", value, testCase.expected)
+			}
+		})
+	}
+}
+
+func TestGoodStringSliceParamsJSON(t *testing.T) {
+	testCases := []struct {
+		name       string
+		paramsJSON string
+		key        string
+		expected   []string
+	}{
+		{
+			name:       "string array",
+			paramsJSON: `{"key": ["value1", "value2"]}`,
+			key:        "key",
+			expected:   []string{"value1", "value2"},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			params := config.Params{}
+			err := json.Unmarshal([]byte(testCase.paramsJSON), &params)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal params JSON: %v", err)
+			}
+			value, err := params.GetStringSlice(testCase.key)
+			if err != nil {
+				t.Fatalf("GetStringSlice returned error: %v", err)
+			}
+			if !slices.Equal(value, testCase.expected) {
+				t.Fatalf("GetStringSlice got %v, expected %v", value, testCase.expected)
+			}
+		})
+	}
+}
+
+func TestGoodIntSliceParamsJSON(t *testing.T) {
+	testCases := []struct {
+		name       string
+		paramsJSON string
+		key        string
+		expected   []int
+	}{
+		{
+			name:       "int array",
+			paramsJSON: `{"key": [1, 2, 3]}`,
+			key:        "key",
+			expected:   []int{1, 2, 3},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			params := config.Params{}
+			err := json.Unmarshal([]byte(testCase.paramsJSON), &params)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal params JSON: %v", err)
+			}
+			value, err := params.GetIntSlice(testCase.key)
+			if err != nil {
+				t.Fatalf("GetIntSlice returned error: %v", err)
+			}
+			if !slices.Equal(value, testCase.expected) {
+				t.Fatalf("GetIntSlice got %v, expected %v", value, testCase.expected)
+			}
+		})
+	}
+}
+
+func TestGoodByteSliceParamsJSON(t *testing.T) {
+	testCases := []struct {
+		name       string
+		paramsJSON string
+		key        string
+		expected   []byte
+	}{
+		{
+			name:       "byte array",
+			paramsJSON: `{"key": [1,2,3,4]}`,
+			key:        "key",
+			expected:   []byte{1, 2, 3, 4},
+		},
+		{
+			name:       "byte array with floats",
+			paramsJSON: `{"key": [1.0,2.0,3.0,4.0]}`,
+			key:        "key",
+			expected:   []byte{1, 2, 3, 4},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			params := config.Params{}
+			err := json.Unmarshal([]byte(testCase.paramsJSON), &params)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal params JSON: %v", err)
+			}
+			value, err := params.GetByteSlice(testCase.key)
+			if err != nil {
+				t.Fatalf("GetByteSlice returned error: %v", err)
+			}
+			if !slices.Equal(value, testCase.expected) {
+				t.Fatalf("GetByteSlice got %v, expected %v", value, testCase.expected)
+			}
+		})
+	}
+}