Change TemplateElement's source field type from String to SourceString

[jcamiel]

This PR change TemplateElement's source field type from String to SourceString

#[derive(Clone, Debug, PartialEq, Eq)]
pub enum TemplateElement {
    String { value: String, source: SourceString },
    Placeholder(Placeholder),
}

A newtype new struct SourceString is introduced in core::typing and the methods to seamlessly work with String &str etc...

Note

Not sure if typing is the best module name (it's model on Python). This module contains "common" types for Hurl's crates. Maybe we should change it from typing to types?

#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub struct SourceString(String);

impl SourceString {
    /// Creates a new empty [`SourceString`].
    pub fn new() -> Self {
        SourceString(String::new())
    }

    /// Appends a given string slice onto the end of this [`SourceString`].
    pub fn push_str(&mut self, string: &str) {
        self.0.push_str(string);
    }

    /// Appends the given char to the end of this [`SourceString`].
    pub fn push(&mut self, c: char) {
        self.0.push(c);
    }

    /// Extracts a string slice containing the entire [`SourceString`].
    pub fn as_str(&self) -> &str {
        self.0.as_str()
    }

    /// Returns `true` if this [`SubString`] starts with the char `c`.
    pub fn starts_with(&self, c: char) -> bool {
        self.0.starts_with(c)
    }
}

pub trait ToSource {
    fn to_source(&self) -> SourceString;
}

impl<T> ToSource for T
where
    T: AsRef<str>,
{
    fn to_source(&self) -> SourceString {
        SourceString(self.as_ref().to_string())
    }
}

impl<T> From<T> for SourceString
where
    T: AsRef<str>,
{
    fn from(value: T) -> Self {
        SourceString(value.as_ref().to_string())
    }
}

impl fmt::Display for SourceString {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}

Rest of the code is updating unit tests.

[jcamiel]

/rebase

[hurl-bot]

🕗 /rebase is running, please wait for completion.

[hurl-bot]

🔨 Auto rebase from Orange-OpenSource/hurl/master succeeds, Orange-OpenSource/hurl/change-template-element-source-filed-type-to-source-string now embeds these commits:

• 0887fcb Make Float field provate (like I64 et U64).
• 583cf90 Implement functions with Value

[jcamiel]

/accept

[hurl-bot]

🕗 /accept is running, please wait for completion.

[hurl-bot]

🔨 Auto rebase from Orange-OpenSource/hurl/master succeeds, Orange-OpenSource/hurl/change-template-element-source-filed-type-to-source-string now embeds these commits:

• bcbdbd6 Support BigInteger in variable
• a5fae91 Remove cloning on AST request helpers.
• 07745d3 Update documentation for base64Encode filter
• 7c42440 Update documentation for base64 filter

[hurl-bot]

🕗 /accept is still running, please wait for completion.

[hurl-bot]

✅ Pull request merged with fast forward by jcamiel..

# List of commits merged from Orange-OpenSource/hurl/change-template-element-source-filed-type-to-source-string branch into Orange-OpenSource/hurl/master branch:

• 3f3f9e9 Change TemplateElement's source field type from String to SourceString.