test: Add tests for utils

Author: matkrin

internal/utils/utils_test.go

@@ -0,0 +1,149 @@
+package utils
+
+import (
+	"testing"
+)
+
+func TestUriToPath(t *testing.T) {
+	tests := []struct {
+		name    string
+		uri     string
+		want    string
+		wantErr bool
+	}{
+		{
+			name:    "valid unix path",
+			uri:     "file:///tmp/test.txt",
+			want:    "/tmp/test.txt",
+			wantErr: false,
+		},
+		{
+			name:    "valid path with spaces",
+			uri:     "file:///home/user/My%20File.txt",
+			want:    "/home/user/My File.txt",
+			wantErr: false,
+		},
+		{
+			name:    "unsupported scheme",
+			uri:     "https://example.com/file.txt",
+			wantErr: true,
+		},
+		{
+			name:    "invalid uri",
+			uri:     "file://%zz",
+			wantErr: true,
+		},
+		{
+			name:    "empty uri",
+			uri:     "",
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := UriToPath(tt.uri)
+
+			if (err != nil) != tt.wantErr {
+				t.Fatalf("UriToPath() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			if got != tt.want {
+				t.Errorf("UriToPath() = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestPathToURI(t *testing.T) {
+	tests := []struct {
+		name string
+		path string
+		want string
+	}{
+		{
+			name: "absolute unix path",
+			path: "/tmp/test.txt",
+			want: "file:///tmp/test.txt",
+		},
+		{
+			name: "relative path",
+			path: "tmp/test.txt",
+			want: "file:///tmp/test.txt",
+		},
+		{
+			name: "empty path",
+			path: "",
+			want: "file:///",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := PathToURI(tt.path)
+
+			if got != tt.want {
+				t.Errorf("PathToURI() = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestGetIndentation(t *testing.T) {
+	tests := []struct {
+		name string
+		line string
+		want string
+	}{
+		{
+			name: "spaces",
+			line: "    hello",
+			want: "    ",
+		},
+		{
+			name: "tabs",
+			line: "\t\thello",
+			want: "\t\t",
+		},
+		{
+			name: "tabs and spaces",
+			line: " \t  hello",
+			want: " \t  ",
+		},
+		{
+			name: "no indentation",
+			line: "hello",
+			want: "",
+		},
+		{
+			name: "only spaces",
+			line: "    ",
+			want: "    ",
+		},
+		{
+			name: "only tabs",
+			line: "\t\t",
+			want: "\t\t",
+		},
+		{
+			name: "empty string",
+			line: "",
+			want: "",
+		},
+		{
+			name: "newline and tab",
+			line: "\n\tfoo",
+			want: "\n\t",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := GetIndentation(tt.line)
+
+			if got != tt.want {
+				t.Errorf("GetIndentation() = %q, want %q", got, tt.want)
+			}
+		})
+	}
+}