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Merge pull request #1594 from fsprojects/daily-test-improver-html-basetypes-20250901
Daily Test Coverage Improver: 100% coverage for HTML BaseTypes generics
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‎tests/FSharp.Data.Core.Tests/BaseTypesHtmlGenerics.fs‎

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module FSharp.Data.Tests.BaseTypesHtmlGenerics
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open NUnit.Framework
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open FsUnit
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open System
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open System.Reflection
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open System.IO
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open FSharp.Data
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open FSharp.Data.Runtime.BaseTypes
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// ============================================
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// BaseTypes.HtmlDocument Coverage Tests
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// ============================================
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// Use reflection to create HtmlDocument since Create is for generated code only
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let private createHtmlDocumentFromString (html: string) =
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use reader = new StringReader(html)
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let createMethod = typeof<HtmlDocument>.GetMethod("Create", [| typeof<bool>; typeof<System.IO.TextReader> |])
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createMethod.Invoke(null, [| false; reader |]) :?> HtmlDocument
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[<Test>]
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let ``HtmlDocument Create should work using reflection`` () =
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let html = """<html><body><table id="test"><tr><td>Test</td></tr></table></body></html>"""
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let doc = createHtmlDocumentFromString html
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doc |> should not' (be null)
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doc.Html |> should not' (be null)
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[<Test>]
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let ``HtmlDocument GetTable should handle reflection calls`` () =
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let html = """<html><body><table id="testTable"><tr><td>Test</td></tr></table></body></html>"""
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let doc = createHtmlDocumentFromString html
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let getTableMethod = doc.GetType().GetMethod("GetTable")
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// Even if the table is not found, the method should exist and be callable
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getTableMethod |> should not' (be null)
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[<Test>]
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let ``HtmlDocument GetList should handle reflection calls`` () =
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let html = """<html><body><ul id="testList"><li>Item</li></ul></body></html>"""
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let doc = createHtmlDocumentFromString html
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let getListMethod = doc.GetType().GetMethod("GetList")
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// Even if the list is not found, the method should exist and be callable
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getListMethod |> should not' (be null)
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[<Test>]
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let ``HtmlDocument GetDefinitionList should handle reflection calls`` () =
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let html = """<html><body><dl id="testDefList"><dt>Term</dt><dd>Definition</dd></dl></body></html>"""
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let doc = createHtmlDocumentFromString html
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let getDefListMethod = doc.GetType().GetMethod("GetDefinitionList")
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// Even if the definition list is not found, the method should exist and be callable
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getDefListMethod |> should not' (be null)
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// ============================================
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// BaseTypes.HtmlTable<T> Coverage Tests
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// ============================================
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[<Test>]
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let ``HtmlTable<T> Create with headers should work using reflection`` () =
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let html = """<html><body><table id="testTable"><tr><th>Name</th><th>Age</th></tr><tr><td>John</td><td>30</td></tr></table></body></html>"""
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let doc = createHtmlDocumentFromString html
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let converter = Func<string[], string>(fun row -> String.Join(",", row))
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let createMethod = typeof<HtmlTable<string>>.GetMethod("Create", [| typeof<Func<string[], string>>; typeof<HtmlDocument>; typeof<string>; typeof<bool> |])
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let table = createMethod.Invoke(null, [| converter; doc; "testTable"; true |]) :?> HtmlTable<string>
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table.Name |> should equal "testTable"
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table.Headers |> should not' (be null)
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table.Rows.Length |> should be (greaterThan 0)
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table.Html |> should not' (be null)
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[<Test>]
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let ``HtmlTable<T> Create without headers should work using reflection`` () =
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let html = """<html><body><table id="testTable"><tr><td>John</td><td>30</td></tr><tr><td>Jane</td><td>25</td></tr></table></body></html>"""
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let doc = createHtmlDocumentFromString html
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let converter = Func<string[], string>(fun row -> String.Join("|", row))
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let createMethod = typeof<HtmlTable<string>>.GetMethod("Create", [| typeof<Func<string[], string>>; typeof<HtmlDocument>; typeof<string>; typeof<bool> |])
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let table = createMethod.Invoke(null, [| converter; doc; "testTable"; false |]) :?> HtmlTable<string>
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table.Name |> should equal "testTable"
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table.Headers |> should be null
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table.Rows.Length |> should be (greaterThan 0)
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table.Html |> should not' (be null)
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[<Test>]
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let ``HtmlTable<T> properties should be accessible`` () =
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let html = """<html><body><table id="testTable"><tr><th>Col1</th><th>Col2</th></tr><tr><td>A</td><td>B</td></tr></table></body></html>"""
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let doc = createHtmlDocumentFromString html
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let converter = Func<string[], int>(fun row -> row.Length)
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let createMethod = typeof<HtmlTable<int>>.GetMethod("Create", [| typeof<Func<string[], int>>; typeof<HtmlDocument>; typeof<string>; typeof<bool> |])
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let table = createMethod.Invoke(null, [| converter; doc; "testTable"; true |]) :?> HtmlTable<int>
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table.Name |> should equal "testTable"
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table.Headers.Value |> should haveLength 2
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table.Rows |> should haveLength 1
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table.Rows.[0] |> should equal 2
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table.Html |> should not' (be null)
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// ============================================
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// BaseTypes.HtmlList<T> Coverage Tests
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// ============================================
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[<Test>]
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let ``HtmlList<T> Create should work using reflection`` () =
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let html = """<html><body><ul id="testList"><li>Item 1</li><li>Item 2</li><li>Item 3</li></ul></body></html>"""
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let doc = createHtmlDocumentFromString html
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let converter = Func<string, int>(fun item -> item.Length)
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let createMethod = typeof<HtmlList<int>>.GetMethod("Create", [| typeof<Func<string, int>>; typeof<HtmlDocument>; typeof<string> |])
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let list = createMethod.Invoke(null, [| converter; doc; "testList" |]) :?> HtmlList<int>
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list.Name |> should equal "testList"
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list.Values.Length |> should be (greaterThan 0)
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list.Html |> should not' (be null)
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[<Test>]
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let ``HtmlList<T> CreateNested should work using reflection`` () =
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let html = """<html><body><dl id="testDefList"><dt>Term 1</dt><dd>Definition 1</dd><dd>Another definition</dd><dt>Term 2</dt><dd>Definition 2</dd></dl></body></html>"""
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let doc = createHtmlDocumentFromString html
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let converter = Func<string, string>(fun item -> item.ToUpper())
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let createMethod = typeof<HtmlList<string>>.GetMethod("CreateNested", [| typeof<Func<string, string>>; typeof<HtmlDocument>; typeof<string>; typeof<int> |])
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let list = createMethod.Invoke(null, [| converter; doc; "testDefList"; 0 |]) :?> HtmlList<string>
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list.Name |> should not' (be null)
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list.Values.Length |> should be (greaterThan 0)
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list.Html |> should not' (be null)
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[<Test>]
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let ``HtmlList<T> properties should be accessible`` () =
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let html = """<html><body><ul id="testList"><li>Item 1</li><li>Item 2</li></ul></body></html>"""
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let doc = createHtmlDocumentFromString html
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let converter = Func<string, string>(fun item -> item.Replace("Item", "Element"))
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let createMethod = typeof<HtmlList<string>>.GetMethod("Create", [| typeof<Func<string, string>>; typeof<HtmlDocument>; typeof<string> |])
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let list = createMethod.Invoke(null, [| converter; doc; "testList" |]) :?> HtmlList<string>
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list.Name |> should equal "testList"
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list.Values.Length |> should be (greaterThan 0)
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list.Html |> should not' (be null)
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[<Test>]
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let ``HtmlList<T> with complex converter should work using reflection`` () =
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let html = """<html><body><ul id="testList"><li>Item 1</li><li>Item 2</li></ul></body></html>"""
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let doc = createHtmlDocumentFromString html
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// Complex converter that creates a tuple
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let converter = Func<string, string * int>(fun item -> (item.Trim(), item.Length))
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let createMethod = typeof<HtmlList<string * int>>.GetMethod("Create", [| typeof<Func<string, string * int>>; typeof<HtmlDocument>; typeof<string> |])
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let list = createMethod.Invoke(null, [| converter; doc; "testList" |]) :?> HtmlList<string * int>
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list.Name |> should equal "testList"
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list.Values.Length |> should be (greaterThan 0)
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let (text, length) = list.Values.[0]
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text |> should not' (be null)
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length |> should be (greaterThan 0)

‎tests/FSharp.Data.Core.Tests/FSharp.Data.Core.Tests.fsproj‎

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<Compile Include="HtmlTableCell.fs" />
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<Compile Include="StructuralTypes.fs" />
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<Compile Include="BaseTypesHtmlDocument.fs" />
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<Compile Include="BaseTypesHtmlGenerics.fs" />
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<Compile Include="HtmlRuntimeTypes.fs" />
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<Compile Include="XmlExtensions.fs" />
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<Compile Include="XmlInference.fs" />

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