divkit/test_data/expression_test_data/string_templates.json

{
  "cases": [
    {
      "name": "string template with datetime",
      "expression": "Timestamp starts at: @{parseUnixTime(0)}",
      "expected": {
        "type": "string",
        "value": "Timestamp starts at: 1970-01-01 00:00:00"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template without expression",
      "expression": "Hello, World!",
      "expected": {
        "type": "string",
        "value": "Hello, World!"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template without expression and with single quoted part",
      "expression": "Hello, 'World'!",
      "expected": {
        "type": "string",
        "value": "Hello, 'World'!"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with escaped expression symbol",
      "expression": "Hello, \\@{World}!",
      "expected": {
        "type": "string",
        "value": "Hello, @{World}!"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with empty expression",
      "expression": "This is a@{} string",
      "expected": {
        "type": "string",
        "value": "This is a string"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with positive integer literal expression",
      "expression": "You have @{5} messages",
      "expected": {
        "type": "string",
        "value": "You have 5 messages"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with negative integer literal expression",
      "expression": "Today is @{-5} C",
      "expected": {
        "type": "string",
        "value": "Today is -5 C"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with positive number literal expression",
      "expression": "You have @{5.0} dollars",
      "expected": {
        "type": "string",
        "value": "You have 5.0 dollars"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with negative number literal expression",
      "expression": "Today is @{-5.0} C",
      "expected": {
        "type": "string",
        "value": "Today is -5.0 C"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with string literal expression",
      "expression": "This is @{'a'} string",
      "expected": {
        "type": "string",
        "value": "This is a string"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with positive integer variable expression",
      "expression": "You have @{count} messages",
      "expected": {
        "type": "string",
        "value": "You have 5 messages"
      },
      "variables": [
        {
          "type": "integer",
          "value": 5,
          "name": "count"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with negative integer variable expression",
      "expression": "Today is @{degree} C",
      "expected": {
        "type": "string",
        "value": "Today is -5 C"
      },
      "variables": [
        {
          "type": "integer",
          "value": -5,
          "name": "degree"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with positive number variable expression",
      "expression": "You have @{amount} dollars",
      "expected": {
        "type": "string",
        "value": "You have 5.0 dollars"
      },
      "variables": [
        {
          "type": "number",
          "value": 5.0,
          "name": "amount"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with negative number variable expression",
      "expression": "Today is @{degree} C",
      "expected": {
        "type": "string",
        "value": "Today is -5.0 C"
      },
      "variables": [
        {
          "type": "number",
          "value": -5.0,
          "name": "degree"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with string variable expression",
      "expression": "This is @{article} string",
      "expected": {
        "type": "string",
        "value": "This is a string"
      },
      "variables": [
        {
          "type": "string",
          "value": "a",
          "name": "article"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with true boolean variable expression",
      "expression": "This is a @{var} story.",
      "expected": {
        "type": "string",
        "value": "This is a true story."
      },
      "variables": [
        {
          "type": "boolean",
          "value": true,
          "name": "var"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with false boolean variable expression",
      "expression": "a @{var} boolean literal",
      "expected": {
        "type": "string",
        "value": "a false boolean literal"
      },
      "variables": [
        {
          "type": "boolean",
          "value": false,
          "name": "var"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with color variable expression",
      "expression": "Sky color is @{color}",
      "expected": {
        "type": "string",
        "value": "Sky color is #FF75BBFD"
      },
      "variables": [
        {
          "type": "color",
          "value": "#75bbfd",
          "name": "color"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with url variable expression",
      "expression": "Use @{engine_url} as default search engine?",
      "expected": {
        "type": "string",
        "value": "Use https://ya.ru as default search engine?"
      },
      "variables": [
        {
          "type": "url",
          "value": "https://ya.ru",
          "name": "engine_url"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "empty value",
      "expression": "",
      "expected": {
        "type": "error",
        "value": "Expression expected"
      },
      "deprecated": "Should not return error",
      "platforms": [
        "android",
        "flutter"
      ]
    },
    {
      "expression": "",
      "expected": {
        "type": "string",
        "value": ""
      },
      "platforms": [
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with starting expression",
      "expression": "@{3.2} kilometers to destination",
      "expected": {
        "type": "string",
        "value": "3.2 kilometers to destination"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with expression at the end",
      "expression": "Sky color is @{'#75bbfd'}",
      "expected": {
        "type": "string",
        "value": "Sky color is #75bbfd"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with expression at the start and end",
      "expression": "@{'Sky'} color is @{'#75bbfd'}",
      "expected": {
        "type": "string",
        "value": "Sky color is #75bbfd"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with expression at all positions",
      "expression": "@{'Sky'} color is @{'#75bbfd'} and ground color is @{'#3a2e27'}",
      "expected": {
        "type": "string",
        "value": "Sky color is #75bbfd and ground color is #3a2e27"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with just 2 expression",
      "expression": "@{'Sky color is '}@{'#75bbfd'}",
      "expected": {
        "type": "string",
        "value": "Sky color is #75bbfd"
      },
      "variables": [],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with nested expression",
      "expression": "@{'var = @{'@{var}'}'}",
      "expected": {
        "type": "string",
        "value": "var = abcd"
      },
      "variables": [
        {
          "name": "var",
          "type": "string",
          "value": "abcd"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    },
    {
      "name": "string template with expression surrounded by apostrophes",
      "expression": "Set '@{engine_url}' as your homepage?",
      "expected": {
        "type": "string",
        "value": "Set 'https://ya.ru' as your homepage?"
      },
      "variables": [
        {
          "type": "url",
          "value": "https://ya.ru",
          "name": "engine_url"
        }
      ],
      "platforms": [
        "android",
        "ios",
        "web",
        "flutter"
      ]
    }
  ]
}