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e21cc0c0b3
Closes #1. This change allows users to add a configuration section to their slides, which allows them to specify a different theme if they would like to change the styles of the default theme. A user can add ``` --- theme: ascii --- ``` To use an ascii theme or use `theme: ./styles.json` to specify their own custom JSON theme using glamour styles. Co-authored-by: Britton Hayes <brittonhayes@users.noreply.github.com>
75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
package styles_test
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import (
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"testing"
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"github.com/charmbracelet/glamour"
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"github.com/charmbracelet/glamour/ansi"
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"github.com/maaslalani/slides/styles"
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"github.com/stretchr/testify/assert"
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)
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func TestSelectTheme(t *testing.T) {
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tests := []struct {
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name string
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theme string
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want ansi.StyleConfig
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wantErr bool
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}{
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{name: "Select dark theme", theme: "dark", want: glamour.DarkStyleConfig, wantErr: false},
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{name: "Select light theme", theme: "light", want: glamour.LightStyleConfig, wantErr: false},
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{name: "Select ascii theme", theme: "ascii", want: glamour.ASCIIStyleConfig, wantErr: false},
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{name: "Select notty theme", theme: "notty", want: glamour.NoTTYStyleConfig, wantErr: false},
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{name: "Select theme with error", theme: "notty", want: glamour.DarkStyleConfig, wantErr: true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Execute the theme selection and ensure
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// it returns a non-nil theme
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selectedTheme := styles.SelectTheme(tt.theme)
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assert.NotNil(t, selectedTheme)
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// Initialize renderers to compare output
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gotRenderer, _ := glamour.NewTermRenderer(selectedTheme)
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wantRenderer, _ := glamour.NewTermRenderer(glamour.WithStyles(tt.want))
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// Render a the same string with two different
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// renderers
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gotOutput, _ := gotRenderer.Render(tt.name)
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wantOutput, _ := wantRenderer.Render(tt.name)
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// Inject exception to ensure a style that doesn't match
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// it's associated string
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if tt.wantErr {
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assert.NotEqual(t, wantOutput, gotOutput)
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return
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}
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// Ensure they both match
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assert.Equal(t, wantOutput, gotOutput)
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})
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}
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}
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func TestSelectTheme_file(t *testing.T) {
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tests := []struct {
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name string
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theme string
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fileExists bool
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}{
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{name: "Select custom theme json", theme: "./theme.json", fileExists: true},
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{name: "Use an invalid filepath", theme: "./someinvalidfile.toml", fileExists: false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Successfully return a theme if a file exists
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assert.NotNil(t, styles.SelectTheme(tt.theme))
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// Successfully return a theme if a file doesn't exist
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if !tt.fileExists {
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assert.NotNil(t, styles.SelectTheme(tt.theme))
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}
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})
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}
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}
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